Games like Doomsday Protocol

92%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

92% User Score Based on 382 reviews

Grody extraterrestrials are pouring through a space-time rift, and only one girl and her turret stand in their way! Lock, load, and blast them to oblivion—because if she doesn’t survive today, there’s no ‘omurice’ tomorrow! Earth depends on her! If you enjoyed this game, see our list of games similar to TurretGirls.

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.

70%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:story, graphics

100% User Score Based on 21 reviews

OverviewDawnhold is a top-down action base-defense game about protecting the Sunstone, the last source of light in a world overrun by the Hollowborn. Gather resources, build walls and towers, fight enemy waves, and push outward from your base to assault Hollowborn strongholds. Each mission starts fresh, challenging you to balance building, gathering, combat, upgrades, and boss fights before the p… If you enjoyed this game, see our list of games similar to Dawnhold.

95%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, grinding

95% User Score Based on 1,107 reviews

Utopia Must Fall is a vector-flavored base-defending arcade shooter with rapid progression, procedurally generated attack waves and enough upgrade variety to suit both the defensive or aggressive player. It incorporates elements from tower defense, roguelites and beyond, all neatly packaged into a laser-sharp bullet-purgatory arcade frenzy! Easy To Learn : firing happens automatically, just st… If you enjoyed this game, see our list of games similar to Utopia Must Fall.

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.

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.

76%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:replayability, story

83% User Score Based on 590 reviews

Critic Score 40%Based on 1 reviews

Over 9000 Zombies! is top-down arcade action blown out of all reasonable proportions. An endless horde of zombies is coming your way, how long can you survive? If you enjoyed this game, see our list of games similar to Over 9000 Zombies!.

38%Game Brain Score

Most mentioned positive aspects:graphics, atmosphere

Most mentioned negative aspects:gameplay, music

64% User Score Based on 11 reviews

Protect the ark of humanity by building the ultimate defense from scraps of your enemies. Challenge other players in this tough fast-paced Action Tower Defense game with TONS of bullets and enemies on screen. If you enjoyed this game, see our list of games similar to ARDEiN.FALL.

90%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, optimization

90% User Score Based on 7,913 reviews

In Sanctum 2, you will have to utilize elements of multiple gameplay genres to succeed. Build towers and walls during the building phase before the enemies attack, then jump into the fray and help your towers blast everything to pieces in FPS-mode. You can progress through the single player campaign yourself, or play up to 4-player co-op with your friends to discover the secrets of the planet LOEK… If you enjoyed this game, see our list of games similar to Sanctum 2.

Armada Fighter is a fast-paced arcade shoot ’em up focused on reflexes, movement, and intense action. If you enjoyed this game, see our list of games similar to Armada Fighters.

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.

73%Game Brain Score

Most mentioned positive aspects:story

Most mentioned negative aspects:gameplay, graphics

75% User Score Based on 80 reviews

Critic Score 65%Based on 1 reviews

Mars is under siege, and the colonists are fighting a losing battle. Assume the role of Blake, a private security operative who crash lands near the colony of Deadstone, following an outbreak on the Icarus space station. Care to guess who just landed the job of sheriff? If you enjoyed this game, see our list of games similar to Deadstone.

60%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:gameplay, stability

60% User Score Based on 560 reviews

An artificial nano-virus has wiped out humanity almost completely turning all humans into a mob of deadly mutilated zombies. Only a few people managed to survive and you are one of them.This is the world after a zombie apocalypse in which the main characters have to go through many perils. It is a story about ordinary people who, when faced with danger, decided not to run away from it, but to figh… If you enjoyed this game, see our list of games similar to Guns n Zombies.

71%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:replayability, stability

77% User Score Based on 166 reviews

Critic Score 64%Based on 10 reviews

Battle for survival against waves of Martian mutants in this tactical twist on twin-stick shooters. Using the skills of your drone companion, make fight-or-flight decisions that drastically alter the threats you face. Will your choices lead you to freedom... or your doom? If you enjoyed this game, see our list of games similar to Solstice Chronicles: MIA.

96%Game Brain Score

Most mentioned positive aspects:music, graphics

Most mentioned negative aspects:gameplay, story

96% User Score Based on 53 reviews

Defend a dying civilization from the Krin relentless invaders. Become the Devader. 90s style shoot'em up with awesome bosses and multiple endings. Devader has 42 waves. Every 6 waves you must fight a large boss, after which you get to upgrade your robot and a new game mechanic is added (nukes, turrets,...). There are 12 different upgrade paths that influence your robot, play style and the outcome. If you enjoyed this game, see our list of games similar to Devader.

86%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, stability

86% User Score Based on 579 reviews

Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life organism. If you enjoyed this game, see our list of games similar to Protolife.

87%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, stability

87% User Score Based on 337 reviews

In Castle of Alchemists, a tower defense/top-down action hybrid game with amazing pixel art graphics, play as the Bellator, alchemically enhanced defender, to fight against invaders from other worlds. Delve into the castle, set your traps, equip powerful weapons and gears, and reclaim the castle piece by piece. If you enjoyed this game, see our list of games similar to Castle Of Alchemists.

72%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding, story

75% User Score Based on 150 reviews

Critic Score 69%Based on 13 reviews

I Hate Running Backwards is a fast paced infinite runner hybrid that puts the shoot 'em up genre on its head! Pick your character and blast away at enemies with a high powered weapons arsenal. Earn perks and get stronger as you defeat challenging bosses. If you enjoyed this game, see our list of games similar to I Hate Running Backwards.

85%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:story, grinding

85% User Score Based on 496 reviews

Void Miner is a incremental roguelite bullet hell that is about mining asteroids, collecting resources and upgrading your ship to blast through waves of asteroid belts. Start with a simple ship, picking off as many asteroids as you can. Explore the upgrade tree. Lay waste to the entire asteroid belt. If you enjoyed this game, see our list of games similar to Void Miner – Incremental Asteroids Roguelite.

92%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, stability

92% User Score Based on 142 reviews

While I am a loyal RTS gamer, I feel that the genre’s complexity puts many players off. That's why I've always wanted to create my own grand battlefield in a simplified manner, making it more accessible to potential players and RTS fans. In this stylistic pixel game, players will have access to a variety of buildings that synergize with each other and face an array of twisted insectoids. This game… If you enjoyed this game, see our list of games similar to Frontline Crisis.

93%Game Brain Score

Most mentioned positive aspects:gameplay, optimization

Most mentioned negative aspects:grinding, story

93% User Score Based on 581 reviews

Protect the oldest tree on Earth from Humanity Tear through hordes of enemies Sow trees to help you Active Tower Defense rogue-like gameplay Personalize your creature with new attacks Huge amount of upgrades Various of starting situation with unique skins A never seen before character with 10/10 procedural animation Play as an invincible mass destruction weapon If you enjoyed this game, see our list of games similar to FROM ASHES, BLOOM.

100%Game Brain Score

Most mentioned positive aspects:replayability, character development

Most mentioned negative aspects:music, story

100% User Score Based on 52 reviews

Build, Fight, Improve, Obliterate. Create bloody mayhem in this ARPG / Tower Defense hybrid by building turrets and traps in strategic positions and fighting waves after waves of ferocious clones and creations of immoral research. As you gain experience in the battlefield, improve and develop your characters and weapons to get more and more powerful and decimate your enemies. Combining the classic… If you enjoyed this game, see our list of games similar to Neural Shock.

73%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, graphics

75% User Score Based on 170 reviews

Critic Score 70%Based on 7 reviews

The cosmic horrors are awakening. It's time to call upon the heroes of science and eldritch knowledge to defend mankind from an assault from the outer reaches of reality! Features Endlessly replayable rogue-lite Randomly generated levels Wild array of devastating weapons Intense top-down shooting action Large selection of perks to customize your hero Over a dozen unique abominations to destroy Pla… If you enjoyed this game, see our list of games similar to Tesla Force.

93%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:story

94% User Score Based on 51 reviews

Critic Score 86%Based on 1 reviews

SCORCHING TECHBEAT ACTION! A frantic combo-based score attack shooter with roguelite elements. Make combos to earn more time. Master all weapons and defeat a raving mad machine. 100% arcade action. Online ranking. Lots of achievements. A Dual Gunstrike spin off. If you enjoyed this game, see our list of games similar to TechBeat Heart.

85%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:replayability, monetization

85% User Score Based on 339 reviews

Fast-paced rogue-lite shooter. Gatekeeper: Eclipse is a prologue ver. of the game Gatekeeper. Go on a quest to find the stolen Heart of the Universe and shoot your way through the hordes of machine enemies! If you enjoyed this game, see our list of games similar to Gatekeeper: Eclipse.

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.

81%Game Brain Score

Most mentioned positive aspects:graphics, music

Most mentioned negative aspects:gameplay, story

81% User Score Based on 62 reviews

HyperNova: Escape from Hadea: a charming open world single-player RTS with quirky characters, beautiful planetary design and a healthy dollop of humor. It combines classic resource management, technology research and civilization building with intuitive tower-defense gameplay. If you enjoyed this game, see our list of games similar to HYPERNOVA: Escape from Hadea.

81%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:graphics, replayability

81% User Score Based on 308 reviews

Zombie Shooter 2 is a unique blend of two game genres - Action and RPG. Every player can choose a character to the liking, get experience to develop skills, earn money and spend it at weapons, medications and useful devices. All of this will be used against thousands of enemies. The zombies fill the game screen, never letting you rest, even for a minute. If you enjoyed this game, see our list of games similar to Zombie Shooter 2.

72%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:optimization, stability

72% User Score Based on 1,129 reviews

Can you survive the horror? … a retro-style survival horror game developed by the two-man indie team of Gonzossm and Iggy Zuk. Survive 30 days and nights in a zombie-infested world by recruiting companions, upgrading weaponry and fortifying your position. Deadly 30 is a retro-style survival horror game developed by the two-man indie team of Gonzossm and Iggy Zuk. Survive 30 days and nights in a… If you enjoyed this game, see our list of games similar to Deadly 30.

66%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, grinding

66% User Score Based on 71 reviews

In Otherwar: Deluxe Edition, you are a defender angel tasked with pushing away the incoming attack from Hell. Plan your defense and use resources carefully in this bullet hell/tower defense mash up, now with all of the DLC included! With the Studio Secrets DLC, Chronicles of Creation DLC, and Crafting Compendium DLC, get a glimpse behind the gates of Otherwar with mini art books and unused art, as… If you enjoyed this game, see our list of games similar to Otherwar.

74%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:replayability, grinding

76% User Score Based on 485 reviews

Critic Score 69%Based on 3 reviews

Livelock is a cooperative top-down shooter where you and up to two others must work together to break the cycle of infinite war between machines. As one of "The Few" remaining Capital Intellects, you will need quick reactions and decision-making to overcome the chaos. If you enjoyed this game, see our list of games similar to Livelock.

83%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story

83% User Score Based on 258 reviews

Play Droid Assault and experience running blaster battles with hordes of rampaging killer robots! Discover a unique tactical arcade shooter, with the fun addictive gameplay of 8-bit classics. You'll need your wits and the help of your acquired droid squad to stay alive in this fast-paced retro actionfest. If you enjoyed this game, see our list of games similar to Droid Assault.

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.

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.

89%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:grinding, stability

91% User Score Based on 482 reviews

Critic Score 80%Based on 1 reviews

Get the base game of Starward Rogue, plus the AuGMENTED expansion in one package If you enjoyed this game, see our list of games similar to Starward Rogue.

Centauri Dominion is a top down space shooter set in the Centauri sector where a new colony is being established. There are others arriving seeking to dominate the sector for themselves and will not take no for an answer. You will patrol the sector destroying enemy ships wherever you find them, harvest minerals to bolster your defenses, protect colonists arriving from Earth and finally put an end … If you enjoyed this game, see our list of games similar to Centauri Dominion.

Face hordes of zombie in this black and white, top down shooter! Alone or in local coop, annihilate everything -and everyone- that stands in your way in order to make a safe exit from Zombie Camp! Camp Zombie is a cooperative arcade game with a fun and immediate concept, incorporating some mechanics from a zombie mode with the easy handling of a top-down shooter, all with a unique graphical style… If you enjoyed this game, see our list of games similar to The Last Stand at Camp Zombie.

Hyper Tanks is an arcade-style arena shooter where shots bounce off walls! Choose from a variety of tank classes, conquer challenging solo & co-op campaigns and battle your friends or bots in chaotic multiplayer modes! Dodge incoming fire, collect powerups and deploy special weapons to survive this action-packed mayhem! Destroy hordes of enemies in epic campaigns, either solo or in co-op… If you enjoyed this game, see our list of games similar to Hyper Tanks.

60%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, stability

79% User Score Based on 28 reviews

In 2593, the Russian Federation united all the planets of the solar system and nearby galaxies, discovering new worlds. The colonization of several hundred planets was only the beginning of a grandiose process. Based on the principles of interplanetary solidarity, the Union of Colonies was named the RFUP (Russian Federation of United Planets). Thanks to the unique technologies developed on the b… If you enjoyed this game, see our list of games similar to Try to survive Today.

70%Game Brain Score

Most mentioned positive aspects:gameplay, humor

Most mentioned negative aspects:grinding, story

70% User Score Based on 88 reviews

Visit the unforgiving world of the Decision Series, where survival isn’t guaranteed, and every decision counts. The Decision Legacy Collection brings together all four iconic entries in the classic franchise for the first time on Steam. Experience the series that defined action-strategy and city defense in the Flash era, now available in this 4-pack bundle.Decision 3Humanity’s survival rests on mo… If you enjoyed this game, see our list of games similar to Decision Legacy Collection.

81%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

81% User Score Based on 664 reviews

Achilles: Survivor is a dynamic single-player bullet heaven game where you face thousands of enemies, build destructive structures, develop your character to return as an even more powerful machine of destruction and survive waves of enemies. If you enjoyed this game, see our list of games similar to Achilles: Survivor.

80%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, monetization

80% User Score Based on 293 reviews

Explosive singleplayer action RTS with a story campaign. Hold the line against massive swarms on a fully simulated battlefield. If you enjoyed this game, see our list of games similar to IDUN.

87%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:story, stability

87% User Score Based on 126 reviews

Kick your builds into overdrive with Gunbot Engineer! Introducing Addons, meta progression rewards that allow you to build up power between runs and open up new ways to customize and amp up your builds! Also featuring: Several new Weapon Evolves to discover and build around; Pepper Spray, a spicy new weapon; and new Modules and Upgrades to open new avenues for your builds!   Assemble the perfec… If you enjoyed this game, see our list of games similar to Gunbot Diplomacy.

62%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, optimization

62% User Score Based on 370 reviews

Cannibal Crossing is an action-survival game for 1-4 players, where you explore the randomly generated town of Earlsboro while scavenging, fighting hordes of enemies, building a base, and searching for a way to escape! Meet survivors with new abilities, interesting people, and lots of cannibals. If you enjoyed this game, see our list of games similar to Cannibal Crossing.

84%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:stability

84% User Score Based on 127 reviews

Silent Sector is a crazy sci-fi action rpg from a new distant Wild West dominated by powerful corporations locked in a fight for a rare mineral called Eldorite. If you enjoyed this game, see our list of games similar to Silent Sector.

85%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding

96% User Score Based on 872 reviews

Critic Score 66%Based on 5 reviews

A high-tempo shooting game with simple controls! Upgrade your character with cards and defend the gates from your enemies. If you enjoyed this game, see our list of games similar to Marfusha.

83%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, stability

83% User Score Based on 1,186 reviews

Team up or face it alone in this top down zombie slaying defense adventure! Featuring up to 4 player online co-op, cleanse the infected wave by wave and upgrade your base with traps & defenses to build the Ultimate Zombie Defense. Can YOU stop them? If you enjoyed this game, see our list of games similar to Ultimate Zombie Defense.

41%Game Brain Score

Most mentioned positive aspects:story, music

Most mentioned negative aspects:gameplay, graphics

70% User Score Based on 10 reviews

Starlight: Defence Command is a Tower Defence game designed for the PC that is tough and more in-depth than those gone before. With the ability to configure towers in billions of possible combinations, unlockable perks and fine tuning through target priorities, players are given powerful tools to complete the galaxy-spanning, story-driven campaign. If you enjoyed this game, see our list of games similar to Starlight: Defence Command.

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.

59%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, music

59% User Score Based on 208 reviews

Crowds of blood-thirsty monsters, crawling from every corner of the secret research base. Gloomy basements and modern labs, darkness changing into blazing bulbs. The only usual thing is: you're in a bad place alone, and there's no one to help you! An improved version of a cult 2003 game which won hearts of the huge army of players worldwide. Complete game missions, earning more and more cash for w… If you enjoyed this game, see our list of games similar to Alien Shooter: Revisited.