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Games like Red Siren: Space Defense

Games like Red Siren: Space Defense

Games like Red Siren: Space Defense

Looking for games like Red Siren: Space Defense? Here are top casual shooter recommendations with a science fiction focus, selected from player-similarity data — start with Colony Siege, Age of Steel: Recharge or Super Galaxy Squadron EX Turbo.

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  1. 93%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:music, replayability
    93% User Score Based on 183 reviews

    Build your base. Construct towers, traps, mechs, and other defenses. Command your units in battle. Can you survive the enemy onslaught? If you enjoyed this game, see our list of games similar to Colony Siege.

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  2. 78%Game Brain Score
    Most mentioned positive aspects:graphics, gameplay
    Most mentioned negative aspects:story, replayability
    78% User Score Based on 191 reviews

    "Age of Steel: Recharge" is a 2D strategy with a view from the side. You're taking the role of commander, who was entrusted the management of the military base. Your mission is to defend a base from the waves of enemies at any price. If you enjoyed this game, see our list of games similar to Age of Steel: Recharge.

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  3. 81%Game Brain Score
    Most mentioned positive aspects:music, gameplay
    Most mentioned negative aspects:grinding, stability
    81% User Score Based on 456 reviews

    Super Galaxy Squadron is a fast-paced vertical shooter designed for human beings as well as shmup veterans. Featuring multiple game modes, a challenging but merciful difficulty curve, forgiving health system, and seventeen playable ships. If you enjoyed this game, see our list of games similar to Super Galaxy Squadron EX Turbo.

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  4. 74%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:grinding, monetization
    76% User Score Based on 212 reviews
    Critic Score 71%Based on 11 reviews

    War Tech Fighters is a space action game where giant mechs battle against the Zatros empire in a desperate struggle for survival. If you enjoyed this game, see our list of games similar to War Tech Fighters.

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  5. 83%Game Brain Score
    Most mentioned positive aspects:music, gameplay
    Most mentioned negative aspects:grinding, stability
    85% User Score Based on 1,092 reviews
    Critic Score 75%Based on 1 reviews

    Let Them Come is a fast paced pixel art shoot ‘em up. Twitchy trigger fingers and focused battle tactics are the order of the day as wave after wave of alien-like creatures try to take you down. If you enjoyed this game, see our list of games similar to Let Them Come.

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    78%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:grinding, optimization
    78% User Score Based on 2,144 reviews

    Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the Tauron droids' homeworld against a relentless invasion. Will your Taur stand against the Imperion warmachine? If you enjoyed this game, see our list of games similar to Taur.

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    81%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:optimization, stability
    82% User Score Based on 1,265 reviews
    Critic Score 79%Based on 2 reviews

    Cryptark is a 2D roguelike shooter that challenges players with boarding and neutralizing procedurally generated alien starships to earn income for their Privateering enterprise. Purchase improved equipment and weapons to tackle more dangerous targets, but be cautious as failure will result in a loss of investment and profit. The decaying alien arks will defend themselves from intruders with a wid… If you enjoyed this game, see our list of games similar to CRYPTARK.

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  8. 82%Game Brain Score
    Most mentioned positive aspects:music, gameplay
    Most mentioned negative aspects:story, atmosphere
    82% User Score Based on 688 reviews

    Ok, cadet. This is it. All your training has brought you to this point - you are here for one reason only: to be the best. Strike Suit Infinity is a frantic high score chaser where your skill is the only thing that matters. Whatever combat experience you have had so far is considered irrelevant. There is no end to the enemies you will face. There is no winning. There is only the fight for surviv… If you enjoyed this game, see our list of games similar to Strike Suit Infinity.

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  10. 82%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:grinding, stability
    89% User Score Based on 11,908 reviews
    Critic Score 57%Based on 2 reviews

    EVERSPACE 2 is a fast-paced single-player space shooter with deep exploration, tons of loot and classic RPG elements. Experience a thrilling story set in a vivid, handcrafted open-world full of secrets and perils on your journey to become human after all. EVERSPACE 2 successfully achieved Kickstarter funding on November 4th 2019. If you enjoyed this game, see our list of games similar to Everspace 2.

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  11. 76%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:grinding, monetization
    76% User Score Based on 554 reviews

    An RTS game on a Sci-Fi setting made by the same crazy guys behind the Kingdom Rush saga.Players will command several squads of units ranging from specialized soldiers, unstoppable mechas and of course, Hero units both human and extraterrestrial. The fight spans across exotic planets against fearsome alien creatures and factions.This game won’t be a part of the Kingdom Rush franchise. It is an ent… If you enjoyed this game, see our list of games similar to Iron Marines.

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  12. 65%Game Brain Score
    Most mentioned positive aspects:music, story
    Most mentioned negative aspects:grinding, replayability
    62% User Score Based on 349 reviews
    Critic Score 80%Based on 1 reviews

    Asteroid Bounty Hunter is a space shooter mixed with interesting boss fights and breathtaking visuals, with a reward system to take your skill to another level. If you enjoyed this game, see our list of games similar to Asteroid Bounty Hunter.

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  13. 95%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:grinding, stability
    95% User Score Based on 3,588 reviews

    Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy. If you enjoyed this game, see our list of games similar to Infested Planet.

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  14. 78%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:grinding, stability
    78% User Score Based on 9,546 reviews
    Critic Score 77%Based on 1 reviews

    EVERSPACE is an action-focused single-player space shooter with rock solid 6DOF controls combining roguelike elements with top-notch visuals and a captivating non-linear story as well as VR support in the final version. If you enjoyed this game, see our list of games similar to EVERSPACE.

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  15. 75%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:graphics, grinding
    77% User Score Based on 571 reviews
    Critic Score 65%Based on 1 reviews

    Bionic Dues is a tactical, turn-based roguelike with mech customization. Guide multiple classes of Exos through a variety of missions filled with enemy robots that are as buggy as they are angry. This is at least as bad as it sounds. Explore for loot, destroy key robotic facilities, and brace yourself for the final attack by your enemies... just as soon as they can pull it together. If you enjoyed this game, see our list of games similar to Bionic Dues.

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    89%Game Brain Score
    Most mentioned positive aspects:gameplay, graphics
    Most mentioned negative aspects:story, music
    89% User Score Based on 277 reviews

    Drox Operative is a starship action RPG with warring alien races, fierce space battles, a dynamic, evolving galaxy, and co-op multiplayer. As a Drox Operative it's NOT your job to manage all of those annoying people, build thousands of buildings, play nice with your enemies, or balance the budget. It IS your job to pick the winning side and maybe even help them conquer the galaxy if you're being … If you enjoyed this game, see our list of games similar to Drox Operative.

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    79%Game Brain Score
    Most mentioned positive aspects:gameplay, atmosphere
    Most mentioned negative aspects:story, graphics
    79% User Score Based on 85 reviews
    Critic Score 80%Based on 1 reviews

    In the far distant future, an epic war for survival takes place... Deep within the Andromeda galaxy, the people of Zile grow restless and greedy. The Zilions secretly prepare for a massive strike against the nearby planet Ytima. Fearing such an attack, the Ytimians train an elite squad of "Stargunners." Their mission: To strike the planet Zile and cripple the Zilions’ three strongholds, where the… If you enjoyed this game, see our list of games similar to Stargunner.

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  19. 89%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:grinding, stability
    89% User Score Based on 2,269 reviews

    Take control of your own spaceship, with a vast galaxy to explore, mine, quest, trade, fight and even craft your own weapons. Start small, improve, complete missions, gather allies (or hire mercenaries), grow big and powerful. If you enjoyed this game, see our list of games similar to Star Valor.

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  20. 91%Game Brain Score
    Most mentioned positive aspects:gameplay, replayability
    Most mentioned negative aspects:optimization, graphics
    91% User Score Based on 130 reviews

    Forge a single starcraft into a fleet-leveling warship through the combination of salvaged weaponry and strategy-defining augmentations in this sci-fi survivors game! Weave through asteroid fields, aid galactic denizens, and use collected resources from each failed expedition to become permanently stronger! Your goal is survival; your legacy is inevitable. Features Intense Bullet-Heaven Combat - O… If you enjoyed this game, see our list of games similar to Starforged Legacy.

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  21. 96%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:optimization, grinding
    96% User Score Based on 533 reviews

    Galactic Glitch is a roguelike shooter, with Physics! Throw rocks, catch missiles, and rip apart your enemies - then use them as ammo! Craft your builds from a huge array of weapons and powers. Explore the far reaches of this mysterious universe, become more powerful, and uncover its secrets. If you enjoyed this game, see our list of games similar to Galactic Glitch.

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  23. 77%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:grinding, stability
    82% User Score Based on 305 reviews
    Critic Score 50%Based on 1 reviews

    Battle Group 2 puts you in command of advanced naval fleets to conquer a deadly global foe. Use your ships’ powerful weaponry combined with supporting satellite strikes to defeat your enemies. Set in the near future, a force that calls itself ‘The Talon’ seeks revenge for an unknown crime, stealing the latest military equipment and spreading destruction throughout the world. You are the last Batt… If you enjoyed this game, see our list of games similar to Battle Group 2.

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  24. 72%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:story, grinding
    68% User Score Based on 213 reviews
    Critic Score 77%Based on 9 reviews

    Drifting Lands is an hybrid of classical horizontal shoot'em'up with a lot of strong gameplay elements coming straight from the action-RPG genre. If you want an original diablo-like game or you want a different kind of shoot'em'up, you're in the right place! If you enjoyed this game, see our list of games similar to Drifting Lands.

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  25. 78%Game Brain Score
    Most mentioned positive aspects:gameplay, graphics
    Most mentioned negative aspects:story, replayability
    78% User Score Based on 243 reviews

    Distant future… Brutal gladiatorial battles is a top-rated show, extremely popular all over the Universe. You’ve been sent to the abandoned planet as one of the participants of the show. Your goal is to survive as long as possible, fighting back deadly creatures in the focus of billions of viewers. If you enjoyed this game, see our list of games similar to Pixel Gladiator.

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  26. 89%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:story, graphics
    89% User Score Based on 109 reviews

    Xenoraid is an exciting vertically scrolling shoot'em up rooted in the classic action gameplay of the genre with added modern features. Xenoraid upgrades the basic shmup gameplay with advanced shooting mechanics. Fighters tilt left and right when moving horizontally and weapons heat up when firing. Master the mechanics and line up devastating bursts of fire! Missions in Xenoraid a procedurall… If you enjoyed this game, see our list of games similar to Xenoraid: The First Space War.

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  27. 78%Game Brain Score
    Most mentioned positive aspects:gameplay, graphics
    Most mentioned negative aspects:story, grinding
    78% User Score Based on 348 reviews

    Phoenix Force is a shoot 'em up about a group of phoenixes that fight big and strong mythological creatures in over 100 levels. It takes the boss battle as the foundation for every level, creating engaging and challenging fast battles that will require your best strategies and reflexes. If you enjoyed this game, see our list of games similar to Phoenix Force.

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  29. 84%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:grinding, stability
    96% User Score Based on 7,113 reviews
    Critic Score 72%Based on 33 reviews

    Stand and fight for humanity. This arcade shooter takes place in the year 2022, as the Earth Defense Force fends off an all-out attack by unknown life forms. Become an EDF soldier, battle against endless hordes of immense enemies, and restore peace to the earth. If you enjoyed this game, see our list of games similar to EARTH DEFENSE FORCE 5.

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    68%Game Brain Score
    Most mentioned positive aspects:graphics, gameplay
    Most mentioned negative aspects:story, grinding
    68% User Score Based on 702 reviews

    Humanity is on the verge of extinction. It's up to you to infiltrate the AI core and win the war against the machines.Start your journey with a simple ship, outfitted with only basic machine guns and air-to-ground missiles. As you take down more and more of the AI’s fighter’s you’ll unlock new technologies like plasma shields, wave beams, and ion cannons. It's totally up to you how you outfit your… If you enjoyed this game, see our list of games similar to Revolution Ace.

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  31. 68%Game Brain Score
    Most mentioned positive aspects:gameplay, story
    Most mentioned negative aspects:grinding, replayability
    68% User Score Based on 174 reviews

    You are a friendly-but-deadly Mech on a journey searching for your missing pilot in this action-packed roguelite shooter. Choose your missions and rewards, research skills, equip expansions, mod your weapons, install plugins, customize your looks and stylishly cut your way through hordes of evil AI. If you enjoyed this game, see our list of games similar to Uragun.

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  32. 72%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:grinding
    72% User Score Based on 122 reviews

    “We thought they were our friends and benefactors, but instead they are our masters. The Chronicles didn’t liberate us from our primitive ways – they conquered and destroyed us. The others don’t know, their heads are still full of the melodious voices of our alien masters. But that will change. I will change it!” – Sasaki Survive in Space is a skill-based space shooter with a hardcore focus on ga… If you enjoyed this game, see our list of games similar to Survive in Space.

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  33. 88%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:grinding, music
    92% User Score Based on 1,885 reviews
    Critic Score 73%Based on 2 reviews

    Mecha action shooter, plunging the player into an apocalyptic war. Engage in epic battles with endless hordes of monsters in your powerful customizable mechs. See the story through the eyes of an ace pilot. Fight for humanity’s survival through 20 campaign missions, working as a part of the N.A.T.O forces. Be part of large-scale operations, pushing your Mobile Armors to the brink of their capabil… If you enjoyed this game, see our list of games similar to Mecha Knights: Nightmare.

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  34. 77%Game Brain Score
    Most mentioned positive aspects:story, music
    Most mentioned negative aspects:grinding, stability
    86% User Score Based on 10,094 reviews
    Critic Score 67%Based on 23 reviews

    Rebel Galaxy is a game of action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe. You’ll battle pirates, explore anomalies, befriend aliens, scavenge battle wreckage, mine asteroids, and discover artifacts. Choose your path as a roguish do-gooder, crafty space-trader or power-hungry privateer in this swashbuckling spac… If you enjoyed this game, see our list of games similar to Rebel Galaxy.

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  35. 90%Game Brain Score
    Most mentioned positive aspects:story, graphics
    Most mentioned negative aspects:stability, grinding
    93% User Score Based on 1,918 reviews
    Critic Score 80%Based on 3 reviews

    X-Morph: Defense Complete Edition includes: X-Morph: Defense core game, European Assault DLC, Survival Of The Fittest DLC, Last Bastion DLC If you enjoyed this game, see our list of games similar to X-Morph: Defense.

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  36. 93%Game Brain Score
    Most mentioned positive aspects:story, graphics
    Most mentioned negative aspects:grinding
    93% User Score Based on 1,496 reviews
    Critic Score 90%Based on 1 reviews

    Sky Rogue is a fwooshy rogue-lite action flight simulator! Blow things up over land, sea, and air, on an infinite number of procedurally-generated islands. Go toe-to-toe with enemy aces or assault giant flying aircraft carriers, but watch out for volleys of missiles; when you die, you're dead. If you enjoyed this game, see our list of games similar to Sky Rogue.

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  37. 44%Game Brain Score
    Most mentioned positive aspects:gameplay, graphics
    Most mentioned negative aspects:story, music
    53% User Score Based on 17 reviews
    Critic Score 76%Based on 1 reviews

    Use your powers and find your playstyle to survive in Boiling Bolt, an immersive and explosive shoot-em-up! Slow down the time to make combos and enjoy the stunning 3D graphics. Help June to save the world alone or with a friend. If you enjoyed this game, see our list of games similar to Boiling Bolt.

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  38. 80%Game Brain Score
    Most mentioned positive aspects:gameplay, graphics
    Most mentioned negative aspects:story, stability
    83% User Score Based on 322 reviews
    Critic Score 65%Based on 1 reviews

    Guardians Frontline is a Sci-Fi VR shooter where you wield powerful weapons and command robot armies that help you fight off enemies in single-player, co-op, and PvP game modes. Complete with a campaign, an in-game level editor and hundreds of community created maps. If you enjoyed this game, see our list of games similar to Guardians Frontline.

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  39. 66%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:stability, replayability
    68% User Score Based on 281 reviews
    Critic Score 63%Based on 6 reviews

    HIVE JUMP is a sci-fi action platformer for 1-4 players blending run ‘n gun gameplay with roguelike elements. If you enjoyed this game, see our list of games similar to Hive Jump.

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  40. 68%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:graphics, grinding
    68% User Score Based on 103 reviews

    Welcome, hackers, you're being transferred to Eden City to defend its citizens against the alien threat! Eden Survivor is a single-player survivor-like auto-shooter where players must defeat hordes of alien invaders until the extraction time. How would they do so? Easy, jumping into deadly mechs and never standing still! Choose your pilot Defending the city from outer space horrors requires specia… If you enjoyed this game, see our list of games similar to Genesis Survivors.

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  41. SFERA - Action platformer. A mix of 3D and retro 2D graphics. You are an assassin for the SFERA corporation. You are tasked with destroying a gang of robots. If you enjoyed this game, see our list of games similar to SFERA.

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  42. 96%Game Brain Score
    Most mentioned positive aspects:music, gameplay
    Most mentioned negative aspects:replayability
    96% User Score Based on 55 reviews

    Galaxy Highways is a sci-fi space shooter where you're doing pirate raids into star systems inhabited by aliens. You destroy enemy ships, space stations, mother ships or bosses and complete all missions as soon as possible before enemy defense system destroys you with its powerful waves of attacks. If you enjoyed this game, see our list of games similar to Galaxy Highways.

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  43. 72%Game Brain Score
    Most mentioned positive aspects:gameplay, graphics
    Most mentioned negative aspects:story, stability
    77% User Score Based on 735 reviews
    Critic Score 63%Based on 5 reviews

    METAL SLUG is back with a brand new entry in the METAL SLUG universe. Discover a new side of the emblematic run'n'gun and jump into a dynamic tactical RPG with roguelike elements! If you enjoyed this game, see our list of games similar to Metal Slug Tactics.

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  44. 74%Game Brain Score
    Most mentioned positive aspects:graphics, music
    Most mentioned negative aspects:grinding, optimization
    81% User Score Based on 251 reviews
    Critic Score 48%Based on 2 reviews

    Discover a vast alien world. Fight the ferocious local fauna and killer machines. Reveal its secrets and find a way to escape. The Mobius Machine is a side-scroller action platformer with dynamic combat and heavy emphasis on exploration. If you enjoyed this game, see our list of games similar to The Mobius Machine.

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  45. 79%Game Brain Score
    Most mentioned positive aspects:gameplay, graphics
    Most mentioned negative aspects:story, grinding
    83% User Score Based on 403 reviews
    Critic Score 62%Based on 1 reviews

    Mech Armada provides a fresh combination of turn-based tactics, deckbuilding and rogue-likes. You are in command of a team of custom-built Mechs. Push your strategic skills to the limit as you save what's left of the Earth from the Swarm. You'll need to plan carefully if you want to overpower the invading Swarm in a series of small tactical battles. Upgrade and build your deck of available Mechs,… If you enjoyed this game, see our list of games similar to Mech Armada.

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  46. 75%Game Brain Score
    Most mentioned positive aspects:story, graphics
    Most mentioned negative aspects:grinding, stability
    83% User Score Based on 379 reviews
    Critic Score 50%Based on 2 reviews

    Dark Star One combines the popular elements of a business simulation, a role-playing game and an action game to an epic space experience! An exciting story, full of intrigue and inter-stellar conflict are the main pillars of a multiple number of missions to survive on Dark Star One! If you enjoyed this game, see our list of games similar to DarkStar One.

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  48. 66%Game Brain Score
    Most mentioned positive aspects:gameplay, graphics
    Most mentioned negative aspects:story, grinding
    66% User Score Based on 310 reviews
    Critic Score 67%Based on 2 reviews

    GoD Factory: Wingmen is a multiplayer space combat game played through fast-paced and intense 4 vs 4 player matches. This unique blend of competitive multiplayer and tactical space combat will keep you busy and challenged for hundreds of hours. If you enjoyed this game, see our list of games similar to GoD Factory: Wingmen.

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  49. 67%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:grinding, monetization
    75% User Score Based on 4,450 reviews
    Critic Score 58%Based on 22 reviews

    Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. Earn Steam achievements, complete missions and compete against your friends for the top scores in the leaderboards. It's time to join the assault, Spartan! If you enjoyed this game, see our list of games similar to Halo: Spartan Assault.

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  50. 94%Game Brain Score
    Most mentioned positive aspects:story, gameplay
    Most mentioned negative aspects:music, grinding
    94% User Score Based on 823 reviews

    Step into the pilot suit of a Leviathan mech and lead the Templar Knights in battle against fierce enemies. Create your own unique Battleforce by recruiting an array of Templar specialists and then design their exact build of equipment and talents. Invent distinct strategies and fire teams that guarantee no two armies will be the same. Deploy your forces into tactical scenarios that will challenge… If you enjoyed this game, see our list of games similar to Templar Battleforce.

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