Top similar games like A.I. Invasion:
A.I. Invasion $9.99
A.I. Invasion is an action-loaded top-down-shooter in a futuristic setting. The superior machines subjugated the universe. In a wide range of missions you take the role of a soldier and equip and command a team of special units to reclaim the planet system.
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Galaxy in TurmoilFREE
Galaxy in Turmoil's conceptual Early Access game is a FREE multiplayer combined-arms game set in a brand-new universe, created by a team of volunteers. It’s all about endless arms races, corporate espionage, and, most of all, blasting up on the enemy faction and taking their stuff.
Mars or Die!$19.99
Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.
Alien Outpost$6.99
Alien Outpost an adrenaline-pumping 2.5D twin-stick shooter places you at a remote outpost besieged by relentless waves of alien invaders
Aerial Destruction$0.99
Take off your helicopter and unleash destruction on the armed groups of bio-engineered mutants through various missions and environments !
Quantum of Hope$1.99
Humanity is (not) doomed. Use your Skills and excessive firepower to shoot your way through alien swarms and rescue mysterious Princess in distress.
Invasion Machine$18.99
Modern-warfare RTS/sandbox game inspired by the real conflicts in the Middle East. Fight a counter-insurgency war, protect the civilian population, casevac your wounded and decide how the world sees your struggle. And remember - no one gets left behind.
8-Bit Invaders!$14.99
8-Bit Invaders! is a fast-paced, retro Real-Time Strategy game for the PC. Control the military might of the Galactic Marine Corps or Invade with the devastating power of the Cranioids! Mine, Build, and Fight your way to victory! Conquering the Multiverse was never so easy.
Pocket Universe : Create Your Community$19.99
Prepare for a brand new adventure in Pocket Universe, a game which combines adored mechanics from strategy and RPG genres. Our vision is an experience which does not solely revolve around the player, but also the world itself which is inhabited by artificially intelligent agents.
Space Engineers$19.99
Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive.
A.I. Space Corps$4.99
A.I. Space Corps is a top-down space shooter, telling a new story of mankinds struggle against the merciless A.I. machines ruling over the universe.
XALADIA: Rise of the Space Pirates X2$17.99
Face cosmic threats in "XALADIA", the ultimate twin-stick shooter! Conquer the battlefield with stunning 3D graphics and evolving combat. Use missiles, lasers, barriers to decimate space pirates. Upgrade weapons, unleash a relentless barrage. Experience the real space warfare!
The Homestead Invasion$8.99
Shore up your home, take up arms, and hope the night ends with this terrible enemy returning from whence they came. Reclaim and defend your outpost against an onslaught of monstrous invaders using whatever you can to keep them at bay.
Tilebreaker Next Level$5.99
Earth is under attack! Take control and defend the planet in this adrenaline-fueled top-down shooter. Blast through blocks, dodge relentless enemy fire, and face off against formidable bosses. Can you save the Earth in record time? Get ready for the ultimate challenge!
Victory At Sea Pacific$39.99
Victory at Sea Pacific is the exciting game of naval RTS combat set during World War II. Bringing an epic approach to real time strategy war gaming, search and destroy enemy fleets across an open world sandbox in a desperate attempt to change the course of history.
Alien Hallway 2$4.99
We're happy to present a new game in the Alien Shooter universe! Get prepared to unique tactical gameplay, lots of monster types and 8 fighter types allowing you create your own style of completing missions and defeating bosses.
WillWalkerFREE
WillWalker is a frenetic shooter set in a cyberpunk metropolis. Fight to overthrow crime by mastering the mysteries of time.
3XTINCTION$7.99
3XTINCTION is an Online Co-op Top Down Shooter with tactical and strategic elements. You and your friends will have to cooperate in order to complete missions.
Defying Fate$1.99
A top-down bullet hell space shooter that will test your perseverance. Blast and shoot your way through hordes of asteroids, enemy ships and whatever (and whoever) else you'll run into on your journey! Supports local co-op multiplayer over your local network.
THE STARFIGHTER$9.99
A big, immersive, realistic, Full HD and real-time 3D combat flight arcade game. You are a space alien and fly two-seater Griffin Starfighter. You must wipe out evil King Nimrod's buildings, spaceships, rocket launcher equipped armored buggies, drones, etc. and restore peace to the universe.
Death Nomad$9.99
Death nomad is a survival game with procedurally generated environments. The environment will force you to improve your equipment, defense and constantly move around the world, prolonging your chances of survive.
Fantasy BattlesFREE
Fantasy Battles is a strategy game in which you simulate epic battles against the undead.
The Escapists$17.99
The Escapists provides players the opportunity of experiencing a light-hearted insight into everyday prison life with the main objective being that of escaping!
VoidExpanse$14.99
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
Gravitators$9.99
Gravitators is a twin stick shooter game where you pilot ships and complete mission objectives to secure the future of humankind. Defend the Earth and travel through the galaxy to repel a relentless alien invasion.
Toy Soldiers: Complete$14.99
Bring your toys to life in this action-packed, Toy Soldiers game bundle which includes the original Toy Soldiers, Toy Soldiers: Cold War, and all four DLC’s – Kaiser’s Battle, Invasion, Napalm and Evil Empire.
Inbound UFO$7.99
With a style inspired by the RTS games from early 2000's, a new tower defense combines in a unique way action, tactics, replay value and fun. They are here! Choose your targets, upgrade, replay, discover your enemies and your tactical skills.
Party Hard 2$19.99
It's 3am and you just want to get some sleep. Welcome back to Party Hard! Stop parties using hundreds of new ways, incidentally destroy a drug syndicate, and save the Earth from an alien invasion. May the chickens be with you!
WWII OnlineFREE
WW2 Online is a completely player-driven simulated wargame with a first-person tactical and strategic layer. You’ll fight a global war on a single worldwide server capable of holding thousands of players. Unmatched combined arms gameplay on a massive scale, now with built-in voice comms.
Rat Shoot$2.99
Your goal is simple, stop any rats from escaping. Shoot the rats as they invade the room! It gets tenser by the second as the rat invasion grows. Be quick on the trigger to shoot them before they escape!
Rencia$4.99
Rencia is an easy to learn action RTS game. Build your base, set an attack flag for your army, then join the battle as a top down shooter hero!
Last Hope Bunker: Zombie Survival$2.99
You wake up in a bunker! The Earth became a battlefield. Dangerous creatures at every turn. We give you everything you need: medicine, weapons, shelter. Your task is to find your family. And please try to survive in this post-apocalypse.
SCHAR: Blue Shield Alliance$3.99
SCHAR: Blue Shield Alliance is a cooperative twin-stick shooter that features a variety of complementing ship classes to choose from. Upgrade your ships, defeat hundreds of enemies, save the galaxy all with some friends from the comfort of your couch.
War Platform$6.99
play the role of the More than three big countries in the world This is a prediction simulation game for the current and future combat concepts According to the known technology of today's mankind
M.A.C.E.$4.99
MACE is a classic space shoot ’em up, inspired by the legendary Amiga games of this genre. Handdrawn 2D graphics in HD resolutions, parallax scrolling, explosion effects and optimized games mechanics, combined with the proven gameplay are transporting the “Spirit of Amiga” in today’s Age.
The Riftbreaker: PrologueFREE
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
Minigunner®$9.99
Fight to survive in this intense twin-stick shooter! Hold off against increasingly dangerous waves of enemies by equipping yourself with items, sentries, and drones. Piece together ridiculously powerful builds by finding creative item synergies and unleash hell to defend the outpost at all costs!
Run Build Pew!$2.99
You’re being Bounty-Hunted! Run, Build your ship piece-by-piece and make it work with the parts you find, Destroy outposts and waves of fleets, and Pick your battles carefully to overcome your hunters in this Fast-Paced Top-Down Action Roguelite Shooter.
MODERN NAVAL COMBAT$19.99
This game is a simulation real-time strategy game with the theme of modern naval warfare. Players can control all kinds of active naval equipment of the three camps, and use the common tactics and tactics of the navy in reality to start a fierce confrontation with the computer.
Space War Machine$0.99
In Space War Machine you warp to a new star for each battle, in a never-ending fight for dominance. Pause and slow time at will, control a vast armada of ships with powers! Explore and Terra-form planets. Warp to your far off opponents. Unleash your Ultimate units for total destruction! And more!!!
Radiant Defense$9.99
MILLIONS OF ALIENS WILL DIE!Radiant Defense is a tower defense game set in a vibrant universe invaded by countless alien hordes.Build your space fortress any way you wish, set up wide variety of weapons and traps and let the invasions begin!
Guns of Icarus Alliance$4.99
Own the skies in steam-powered airships! Guns of Icarus Alliance is a team-based online game that pits co-op crews against both rival teams and an AI that learns your tactics. Players become part of the story as each battle shapes history in an ever-changing steampunk world.
Final Approach$14.99
Take control of the skies like never before in a full Virtual Reality world! Airplanes on fire, commuter aircraft low on fuel, mid-air collisions, emergency helicopter rescues, military exercises and so much more!
Space Crew: Legendary Edition$24.99
Time for your toughest mission yet! Recruit and train your crew to tackle the growing threat from alien and android armies as you defend Earth to become a Galactic Legend in Space Crew: Legendary Edition. All new content free to existing owners of Space Crew!
Creekside Creep Invasion$9.99
Stop the bogus creeps in this hardcore action roguelite! Equip rad perk based armor in five slots, wear and unlock new gnarly costumes with active and passive abilities, use tubular randomized guns, unlock tons of new ammo types and upgrade your awesome mini-mart!
Combat Air Patrol 2: Military Flight Simulator$29.99
Feel the power of flying the AV8B Harrier II. A middle ground flight and naval combat simulator with mission planner & fully dynamic open ended campaign. Showstopping VR.
Starboost EX$6.99
Fly in space like Ironman with 30+ missions to play & deploy your own turrets & monsters into the battlefield. A story driven Sci-fi adventure game.
Redout: Space Assault$9.99
Redout: Space Assault is arcade space battle, coupling the trademark Redout adrenaline with the thrill of combat. Outsmart, outmaneuver, overpower, outclass your opponents in lightning-fast, adrenaline-inducing single-player space combat.
Call to Arms$14.99
Call to Arms offers an innovative mix of real-time strategy and 3rd, as well as 1st person controls. Set in the time of modern warfare, the game offers realistically modeled vehicles and heavy weaponry. Command your troops to victory or fight by yourself in the 3rd or 1st person action mode.
Phoenix 2FREE
A modern shoot'em up with classic arcade gameplay. Launch the epic story Campaign and engage in new missions every day. Collect, upgrade and master over 100 unique ships and compete against others to show you are the best of the best!
Starmetal Crusaders$10.99
Unique RTS Hybrid Fighter with a universe filled with the bizarre and unexpected.
PUFIWEHO$0.99
Protecting Us From Incredibly Worrisome Extremely Hostile Oddities...is what you will be doing with your football! Defend the Earth from the invading disciples of the Deranged Octopus, and learn the ultimate secret of the Universe.