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Games like Alien Siege: Earth

Games like Alien Siege: Earth

Games like Alien Siege: Earth

Looking for games like Alien Siege: Earth? Here are top casual shooter recommendations with a science fiction focus, selected from player-similarity data — start with Starlight Squad, Rick Henderson or Titan Attacks!.

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  1. The Merlian Empire has seized control of the Five Worlds. With the galaxy under threat, hope lies in the hands of the Starlight Squad—a fearless team of heroines ready to fight back. Starlight Squad is a fast-paced vertical shoot 'em up featuring handcrafted pixel art, epic boss battles, and explosive arcade action. Choose one of three playable pilots—each with a unique ship, playstyle, and speci… If you enjoyed this game, see our list of games similar to Starlight Squad.

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  2. 72%Game Brain Score
    Most mentioned positive aspects:music, graphics
    Most mentioned negative aspects:gameplay, stability
    96% User Score Based on 26 reviews
    Critic Score 70%Based on 1 reviews

    Rick Henderson is an endless horizontal-scrolling shoot 'em up with infinite replayability, a true hommage to 16-bit shooters wrapped in graphics we all loved. Twitch your fingers through five enemy factions and their bosses, upgrade your ship and try to survive through unpredictable space events. If you enjoyed this game, see our list of games similar to Rick Henderson.

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  3. 87%Game Brain Score
    Most mentioned positive aspects:graphics, gameplay
    Most mentioned negative aspects:story, replayability
    92% User Score Based on 763 reviews
    Critic Score 72%Based on 2 reviews

    As the last surviving tank commander on Earth, single-handedly turn back the evil invading alien army, drive back the Titans across the Solar System, and defeat them on their homeworld... Titan Attacks has the same easy-to-learn and addictive gameplay of the classic arcade shoot 'em up If you enjoyed this game, see our list of games similar to Titan Attacks!.

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  4. 100%Game Brain Score
    Most mentioned positive aspects:graphics, music
    Most mentioned negative aspects:optimization
    100% User Score Based on 102 reviews

    80s/90s arcade cabinet meets modern horde-survival roguelike. Create unique builds, master 20+ weapons, and kill ever-growing hordes of contestants in the retro-futuristic gladiator gameshow BloodDome99. If you enjoyed this game, see our list of games similar to BloodDome99.

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  5. 74%Game Brain Score
    Most mentioned positive aspects:gameplay, graphics
    Most mentioned negative aspects:grinding
    82% User Score Based on 34 reviews
    Critic Score 79%Based on 17 reviews

    "Skillfully pilot the advanced Graceful Explosion Machine (GEM) fighter while blasting swarms of crystalline enemies with your ludicrously overpowered quad-weapon array! Lost in deep space, you'll shoot, dash and combo your way through jewel-hued alien worlds, fighting to find a way home." If you enjoyed this game, see our list of games similar to Graceful Explosion Machine.

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  6. 71%Game Brain Score
    Most mentioned positive aspects:gameplay, graphics
    93% User Score Based on 28 reviews

    SHOOT 'EM UP! Just keep shooting! Starlight: Eye of The Storm is a retro 2D Arcade bullet hell vertical shooter. Unleash your special powers, upgrade your weapons, get better ones! Danger can come from any direction, including 3D objects in the background. The Full Release shall comprise of the following modes you can play: Campaign Mode - A storytelling modular mission-based play style where y… If you enjoyed this game, see our list of games similar to Starlight: Eye of the Storm.

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  7. PUFIWEHO ProtectingUsFromIncredibly WorrisomeExtremely HostileOddities It’s a top-down shooter with no guns and no graphic violence. Suitable for all! Use the arrow keys (or ASDW) and your mouse to fight monsters, solve puzzles, and even travel through space. THE INVASIONWhen swarms of bizarre and dangerous gigantic mosquitoes invade the Earth, it is up to you to defeat the extremely harmful monst… If you enjoyed this game, see our list of games similar to PUFIWEHO.

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  8. View Game
    59%Game Brain Score
    Most mentioned positive aspects:music, graphics
    Most mentioned negative aspects:gameplay, story
    100% User Score Based on 10 reviews

    Overkill Squad is a ultra high-speed top-down shooter roguelike built around intense 1-minute combat arenas. Choose your fighter, unleash overwhelming firepower, defeat brutal bosses, and collect relics to dominate every run. Choose your fighter Unique characters, each with their own special power and melee attack Kill everything that moves Fastest-paced bullet hell combat — enemies flood t… If you enjoyed this game, see our list of games similar to Overkill Squad.

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  9. 95%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:story, stability
    95% User Score Based on 108 reviews

    Now UPDATED to an enhanced version — 'RELOADED' — with a brand-new Rogue-lite Career mode! StoryThirty years have passed since the first battle against the alien menace in Project X. Now, the threat has returned—stronger, smarter, and more relentless than ever. Project X: Light Years brings back high-octane, side-scrolling shoot’em-up action as the official successor to the beloved Amiga cla… If you enjoyed this game, see our list of games similar to Project X: Light Years.

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  10. 56%Game Brain Score
    Most mentioned positive aspects:replayability, music
    Most mentioned negative aspects:gameplay, graphics
    68% User Score Based on 34 reviews

    Burning Skies About the Game Lt Blitz has the city sieged, and it's your job to destroy his troops. Shoot, dodge and upgrade your jet and and try to take on this challenge! Burning Skies is a free, endless retro shmup, that will take you right back to the era of arcade machines, with modernized graphics and gameplay! Blast through waves of enemies, improving your jet and equiping it with on… If you enjoyed this game, see our list of games similar to Burning Skies Arcade.

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  11. 90%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:graphics, story
    90% User Score Based on 293 reviews

    Fight hordes of Covenant & Flood in this new game mixing Roguelite & Bullet Heaven for hours of mindless fun! Have fun surviving Spartan! Spartan Survivors includes 10 playable levels 5 difficulty modes 21 weapons for a total of 105 evolutions // 14 perks with 56 upgrades 8 playable characters with their unique weapons, perks & stats Unlock Custom Game to tailor the game th… If you enjoyed this game, see our list of games similar to Spartan Survivors.

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  12. 63%Game Brain Score
    Most mentioned positive aspects:graphics, music
    Most mentioned negative aspects:gameplay
    76% User Score Based on 34 reviews

    Space Dragons is a classic "shoot em up" horizontal shooting game, in which you can choose different ships with unique characteristics and abilities to destroy tons of invading aliens. During the adventure you will run into powerful bosses and explosive enemies. Get upgrades for your ship, weapons and much more to make your way through the meaty and bloody path that awaits you in Space Dragons. If you enjoyed this game, see our list of games similar to Space Dragons.

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  13. A solo indie-developed pixelated 2D arcade space shoot-'em-up that captures the nostalgia and high-octane fun of beloved 80s and 90s arcade experiences. If you enjoyed this game, see our list of games similar to Orbital Siege.

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  14. View Game
    77%Game Brain Score
    Most mentioned positive aspects:graphics, gameplay
    100% User Score Based on 28 reviews

    Astro Fighters is a fast-paced vertical scrolling STG focused on score attack, aggressive grazing, and arcade-style mastery.Survive dense bullet patterns, collect medals to build your score multiplier, and charge your graze gauge by flying dangerously close to enemy fire. Spend stored energy strategically to unleash powerful spread attacks, trigger screen-clearing bombs, or slow time itself to esc… If you enjoyed this game, see our list of games similar to Astro Fighters.

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  15. 86%Game Brain Score
    Most mentioned positive aspects:gameplay, graphics
    Most mentioned negative aspects:grinding
    88% User Score Based on 49 reviews

    Do you like prologue? Wishlist full game About the Game Shoot, destroy, collect, craft and destroy even more! "Dark Gravity" is a fast-paced, low poly vertical shoot'em up game that features non-linear campaign mode with lots of enemies and bosses. Craft new weapons, upgrade your fighter and build an ultimate aerial war machine! After the fifth world war, there was peace in the worl… If you enjoyed this game, see our list of games similar to Dark Gravity: Prologue.

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  16. 64%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:story, replayability
    88% User Score Based on 24 reviews

    Join KAOTIX Fury, his brother Slade, and their two bow-wow companions on a thrilling mission to save the Fennyverse! Dive into a heart-pounding arcade shooter solo or couch co-op, packed with intense battles and unforgettable moments. A faithful arcade style game with 16 bit graphics and gameplay. Steam Deck support. XINPUT Support up to two control pads. Keyboard controls. (One player… If you enjoyed this game, see our list of games similar to Peraglees - The Ooloufian Resistance.

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  17. View Game
    100%Game Brain Score
    Most mentioned positive aspects:music, replayability
    Most mentioned negative aspects:story
    100% User Score Based on 74 reviews

    CometStriker is an arcade action shooter featuring dodging, strategic power-ups and intense boss fights. If you enjoyed this game, see our list of games similar to CometStriker.

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  18. 98%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:optimization, story
    98% User Score Based on 340 reviews

    Prepare yourself for an insatiable rain of bullets, bombs, and beams in Crimzon Clover.From Japanese indie developers YOTSUBANE and AdventurePlanningService, this unique top-down shooter is a wild ride you won't want to miss out on.Your first step in Crimzon Clover: World EXplosion is choosing how you want to play, as well as which powerful ship will be yours to command. Choose your version fr… If you enjoyed this game, see our list of games similar to Crimzon Clover World EXplosion.

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    62%Game Brain Score
    Most mentioned positive aspects:graphics, gameplay
    Most mentioned negative aspects:music
    90% User Score Based on 20 reviews

    AstroViking is a wave-based survival shoot em' up! Play as a superpowered female viking fending off endless hordes of aliens! Combine 60+ upgrades to construct your own ultimate warrior! If you enjoyed this game, see our list of games similar to AstroViking.

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  21. 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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  22. View Game
    62%Game Brain Score
    Most mentioned positive aspects:story, graphics
    Most mentioned negative aspects:music, gameplay
    100% User Score Based on 13 reviews

    To be rewarded with the forbidden secret, one must first defeat a powerful being known as the Guardian of the Cube. You are the Guardian. The secret of the Cube is under your protection ! If you enjoyed this game, see our list of games similar to Cuboid Keeper.

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  23. 91%Game Brain Score
    Most mentioned positive aspects:graphics, gameplay
    Most mentioned negative aspects:replayability
    91% User Score Based on 88 reviews

    Space War: Infinity is a semi-procedural shoot-'em-up with a System of upgrades of the ship and unlocking of items. If you enjoyed this game, see our list of games similar to Space War: Infinity.

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  24. View Game
    52%Game Brain Score
    Most mentioned positive aspects:graphics, music
    Most mentioned negative aspects:gameplay, monetization
    85% User Score Based on 13 reviews

    Plasma Attack is a top-down side scrolling shooter game where the character is a flying spaceship equipped with a base laser. If you enjoyed this game, see our list of games similar to Plasma Attack.

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  25. 95%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:graphics, story
    95% User Score Based on 93 reviews

    Bullet Hell Insanity + Tower Defense Strategy. Rogue Star Rescue is a quirky new type of rogue-like shooter. Blast your way through diverse planets while rescuing your teammates and gathering traps for your defense strategy. If you enjoyed this game, see our list of games similar to Rogue Star Rescue.

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  26. 50%Game Brain Score
    Most mentioned positive aspects:funny
    Most mentioned negative aspects:music, gameplay
    50% User Score Based on 1 reviews

    Welcome to "Super Smash Asteroids", a high-octane, top-down, dual-stick, rogue-like space shooter set in a futuristic universe. Choose from six unique ships, each with their own starting statistics and special abilities, and blast your way through hordes of enemies and epic bosses. As you play, level up and choose from a pool of over 70+ items to upgrade your ship and modify your base stats, unlo… If you enjoyed this game, see our list of games similar to Super Smash Asteroids.

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  27. PROJECT NEBULABlast your way through swarms of enemies, dodge deadly asteroid fields, and battle alien bosses in this fast-paced arcade planet shooter inspired by the golden age of classic space shooters. Drawing inspiration from genre-defining games like Asteroids and their 90s spiritual successors such as Super Stardust, the game takes the timeless idea of 360-degree arcade space combat and r… If you enjoyed this game, see our list of games similar to Project Nebula.

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  28. Blast through five cosmic worlds, defeat powerful guardians, and claim the Cosmic Gems in Frutz — a fast, replayable arcade shooter built for skill, score chasing, and perfect runs. The evil Lord Zorkannan rules the cosmos through the power of the five Cosmic Gems. Each gem has been entrusted to one of his strongest guardians, who now command dangerous worlds filled with enemies, hazards, and … If you enjoyed this game, see our list of games similar to Frutz.

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  29. View Game
    62%Game Brain Score
    Most mentioned positive aspects:replayability, gameplay
    94% User Score Based on 17 reviews

    Cards and Guns is a top-down arena shooter roguelite, where you’ll have to defeat hordes of creatures. Choose from a variety of cards and upgrades to create unique builds and survive to the end. If you enjoyed this game, see our list of games similar to Cards and Guns.

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  30. View Game
    57%Game Brain Score
    Most mentioned positive aspects:graphics, music
    Most mentioned negative aspects:gameplay
    92% User Score Based on 13 reviews

    Neon Invaders will take you back to your gaming roots with its constant action and relentlessly brutal enemies. Absorb enemy shots of the same colour to trigger a flurry of fire to decimate the alien invaders. Dodge and Match your way to victory through 40 levels and 5 difficulty settings. If you enjoyed this game, see our list of games similar to Neon Invaders.

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  31. View Game
    61%Game Brain Score
    Most mentioned positive aspects:music, gameplay
    100% User Score Based on 12 reviews

    This is a retro barrage flying shooting game. Drive a space fighter plane, shuttle between planets and space stations, and use powerful firepower to destroy enemy space battleships! If you enjoyed this game, see our list of games similar to Red Blue Cell.

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  32. Intergalactic Defenders is a retro-inspired space shooter combining fast-paced arcade action with rogue-like progression and handcrafted pixel art. If you love classic shoot 'em up (shmup) gameplay with modern upgrades and replayability, this is your next obsession. The year is 2187. Humanity's colonies are under siege. The alien Caedons have launched a merciless invasion — and you're the United … If you enjoyed this game, see our list of games similar to Intergalactic Defenders.

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  33. 53%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:graphics, atmosphere
    90% User Score Based on 10 reviews

    Battle for Asciion is a classic horizontal shoot 'em up built entirely from real text characters. No sprites. No pixels. No images. Just pure ASCII action, massive bosses, weapon upgrades and retro arcade challenge. If you enjoyed this game, see our list of games similar to Battle for Asciion.

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  34. Welcome to All the Stars, a retro-inspired space shooter where thrilling combat meets a cosmic narrative. Face waves of enemies, alien horrors, and a galaxy-changing choice. It’s an amateur passion project but it just might surprise you, no load screens, no microtransactions, just pure arcade action. If you enjoyed this game, see our list of games similar to All The Stars.

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  35. 51%Game Brain Score
    51% User Score Based on 2 reviews

    Puedes encontrar mi juego en Steam desde hoy: https://store.steampowered.com/app/3635080/Galactic_Plague_2000/ Galactic Plague 2000 es un juego shooter espacial, de género Roguelite, un juego arcade clásico. El juego narra la historia de Jack, un niño que se ve atrapado en una historia fantástica al conectarse a una máquina arcade misteriosa y antigua que se encontraba en unos recreativos aban… If you enjoyed this game, see our list of games similar to Galactic Plague 2000.

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  36. View Game
    52%Game Brain Score
    52% User Score Based on 3 reviews

    About the game Neoteria is a classic horizontal shoot em up game (shmup). Multiple worlds, levels and aliens are waiting to be blasted. Our focus is on using your thumb like the 80’s and 90’s shooter games: The faster your thumb, the faster you shoot !! Give the controls a few minutes to get used to, they really work! Hidden worlds, different difficulty modes (un-lockable pilots) AWESOME sound tra… If you enjoyed this game, see our list of games similar to Neoteria.

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  37. 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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  38. 85%Game Brain Score
    Most mentioned positive aspects:music, gameplay
    Most mentioned negative aspects:replayability, monetization
    85% User Score Based on 105 reviews
    Critic Score 85%Based on 1 reviews

    Space Elite Force II is a classic side scrolling gaming experience with many enemies, explosions and upgrades for your ship. Have fun defeating bosses, upgrading your ship and blowing up enemies, alone or with a friend in local co-op mode. If you enjoyed this game, see our list of games similar to Space Elite Force 2.

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  39. View Game
    62%Game Brain Score
    Most mentioned positive aspects:music, graphics
    Most mentioned negative aspects:story
    90% User Score Based on 20 reviews

    The earth is being attacked by creatures from deep space! Earth's last remaining scientists have reverse engineered several ships from their technology. Time to bring the fight back into space! You are humanity's last hope! Gamma Zero is an old school arcade vertical shmup. Be aggressive and rack up massive multipliers by collecting pickups as fast as possible. Features: 3 stages of intense … If you enjoyed this game, see our list of games similar to Gamma Zero.

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  40. View Game
    99%Game Brain Score
    Most mentioned positive aspects:music, story
    99% User Score Based on 162 reviews

    Inspired by a certain 1988 cult classic, ASTROLANCER carries the 8-bit mantle into a retro-styled adventure with modern appeal. Alternating between top-down shooting and high-flying shoot 'em up sections, the player will fight to destroy the FORMATROID threat while expanding their arsenal along the way. If you get into a tight spot, use your invincible THRUST ATTACK to break through! ASTROLANCER … If you enjoyed this game, see our list of games similar to ASTROLANCER.

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  41. 92%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:optimization
    98% User Score Based on 45 reviews

    A thrilling sci-fi fantasy shmup / shoot'em up with epic boss battles and a vast arsenal of futuristic weapons! Battle legions of demonic entities, restore the cosmic balance, and save the universe! Flow state gaming to unleash your inner hero! Feel your skills grow on your way to 1CC S+ tier rank! Try out the Demo! Embark on an exhilarating journey through the cosmos with the free demo of Int… If you enjoyed this game, see our list of games similar to Interstellar Sentinel.

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  42. 77%Game Brain Score
    Most mentioned positive aspects:graphics, stability
    Most mentioned negative aspects:story, gameplay
    100% User Score Based on 28 reviews

    Escape Space is a classic arcade space shooter with RPG mechanics. Fight for various factions against swarms of enemies or bosses and improve your standings, level up your rank, unlock new gear and weapons, and upgrade your spaceship.3 DIFFERENT FACTIONS As a mercenary, you'll get to decide for which faction(s) you're willing to fight. Your actions will have consequences, so choose wisely! The E… If you enjoyed this game, see our list of games similar to Escape Space.

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  44. 100%Game Brain Score
    Most mentioned positive aspects:graphics, gameplay
    Most mentioned negative aspects:story
    100% User Score Based on 50 reviews

    Defend yourself against an onslaught of monstrous aliens in a variety of cities and landscapes of our beloved home: Earth. Combine equipment from your powerful arsenal of weapons, modules, and upgrades in order to face stronger and smarter aliens that provide an evergrowing challenge. If you enjoyed this game, see our list of games similar to DEFCON: Xenos.

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  45. View Game
    63%Game Brain Score
    Most mentioned positive aspects:music, graphics
    Most mentioned negative aspects:story
    100% User Score Based on 14 reviews

    Revo is a neon styled and classically inspired space shoot 'em up with an original, retro fueled synthwave soundtrack. If you enjoyed this game, see our list of games similar to REVO.

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  46. 80%Game Brain Score
    Most mentioned positive aspects:gameplay, music
    Most mentioned negative aspects:story, grinding
    80% User Score Based on 169 reviews

    Enter the Blacksea Odyssey, a violent top-down rogue-lite space shoot ‘em up RPG brimming with colossal creatures and runic technologies. Explore dangerous, interstellar spacescapes as you... If you enjoyed this game, see our list of games similar to Blacksea Odyssey.

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  47. View Game
    95%Game Brain Score
    Most mentioned positive aspects:graphics, gameplay
    Most mentioned negative aspects:story
    95% User Score Based on 84 reviews

    It's the future! And humanity is, predictably, under attack by extraterrestrial forces. Lucky for us we have an experimental ship that's never before been flown that will surely...uh, possibly...well, implausibly be able to win the war! All we need now is a pilot or two. If you enjoyed this game, see our list of games similar to Procyon.

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  48. View Game
    24%Game Brain Score
    Most mentioned positive aspects:story, graphics
    Most mentioned negative aspects:grinding
    40% User Score Based on 10 reviews

    INSPACE 2980 is a stylish and dynamic SHMUP from the 16-bit era of games consoles and arcade machines. Take part in an exciting adventure and save the galaxy! Once again! Dynamic battles. The endless stream of various enemies won’t let you rest until the very end of the battle. Upgrades and power-ups. Ten characteristics of the ship, which can be improved, as well as many power-ups that will e… If you enjoyed this game, see our list of games similar to INSPACE 2980.

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  49. Enter an ever changing, randomly generated galaxy and battle the Metal Swarm menance in this arcade style shoot 'em up. Blast through hordes of bugs, collect powerups and battle giant bosses as you harvest their power cores to upgrade your ship. If you enjoyed this game, see our list of games similar to Metal Swarm Infinity.

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  50. 97%Game Brain Score
    Most mentioned positive aspects:music, gameplay
    Most mentioned negative aspects:story, grinding
    97% User Score Based on 296 reviews

    Beat Invaders is a cool space Shoot-Em-Up. Blast your way through enemy fleets! Upgrade your ship with rockets & armor! Defeat the final boss! All to flashy neon musically charged visuals! If you enjoyed this game, see our list of games similar to Beat Invaders.

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