Top similar games like M.A.S.S. Builder:
M.A.S.S. Builder $24.99
Commander, customize and build your Mechanical Assault Skeleton Suit (M.A.S.S.) and lead the fight against an alien invasion bent on exterminating the human race. The fate of humanity is in your hands.
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Nea Edem$1.99
Explore a ruined city and shoot your way to the truth of the past in the first ever 3D game from the creator of the Lloyd the Monkey series.
Girls vs Zombies$7.99
Third person wave-based game. The concept is that you must survive a zombie apocalypse as a girl who wakes up in the middle of the disaster in her underwear. You don't have anything and you must arm yourself and defeat the zombies before they eat you.
Steel SymphonyFREE
Steel Symphony is a 2D Action-Strategy platformer where players craft combat sentinels by selecting components and balancing stats like integrity, mobility, and weapon capabilities. Chassis, weapons, and modules shape each sentinel's role with varied abilities for strategic customization.
Astebreed: Definitive Edition$19.99
Climb into the cockpit of an otherworldly war machine and fly into battle against a horrifying alien race bent on eradicating humanity to preserve their own civilization.
Trace Hunters$5.99
Trace Hunters is a third-person shooter where you pilot a futuristic combat vehicle. Outnumbered and alone, blast through hordes of enemies to discover precious resources and traces of lost technology. Unlock new weapons to take on even greater challenges!
Nimbus INFINITY$14.99
Nimbus INFINITY is a high-speed mech action game, set in the future of a war-torn Earth that has just begun to heal. Equip mechanical Battle Frames with weapons to customize your battle style, and soar through variant battlefields while discovering the story of a new generation.
Super beast activation$0.99
Type: Science fiction and theology style FPS multiplayer shooting game; Topic: Discovering the Truth of the Universe in the Future of Humanity and Its Impact on the Evolution of Human Bones; Modes: PVE (Gun Shooting Battle and Summoning Flying Shuttle Battle), PVP (Gun Shooting Battle).
MachineryWorld$19.99
This game is a sci-fi action role-playing game From assembly to painting, you can greatly customize your character
Strike Suit Zero$19.99
Immerse yourself in massive fleet battles where your dog-fighting skills will directly affect the fate of the cosmos.
Vengeful Guardian: Moonrider$16.99
Vengeful Guardian: Moonrider is a side-scrolling action platformer that channels the golden age of classic 16-bit action games in a full-throttle quest for revenge. Created to defend a totalitarian state, the Moonrider rejects its programming and now seeks vengeance on its creators.
Hype Prototype$2.99
Hype Prototype is a 3D arena third-person shooter in the prototype style. Endless bullets make the game as dynamic as possible. Each level consists of a separate arena, you need to pass it and get into the portal. The game is great for training your aim
Fate of the World$9.99
Fate of the World is a dramatic global strategy game that puts all our futures in your hands. The game features a dramatic set of scenarios based on the latest science covering the next two centuries. You must manage a balancing act of protecting the Earth’s resources and climate versus the needs of an ever-growing world population, who...
Ultra Age$24.99
Slash your way through a futuristic Earth overrun with ruthless mutants and powerful robots. Now including ‘Rebirth Project,’ the all-new rogue-lite side mission that can be accessed from the main menu! (DLC installation is required.)
Outflow$2.99
Experience Atlas’s journey in the future world to save his planet. Beat the enemies with unique mechanics and explore a huge open world in this action RPG.
Reality End$1.0
Experience the Metaverse in Reality End, a VR multiplayer shooter. Play as a human or android, with various weapons and vehicles. Four maps in beta/alpha stages and five game modes including deathmatch and capture the flag. Voice chat, AI bots, and a VR hand pad with command buttons also included.
AfterM.A.T.H. FREE
"AfterM.A.T.H. (Mobile Arsenal Tactical Hunter)" is a sci-fi action game where players pilot advanced mechs to combat the deadly Venomarch creatures. Engage in diverse missions including enemy elimination, hive destruction, new weapon testing, and giant boss battles in a post-apocalyptic world.
Oblivion Override$17.99
An intense, hardcore action side-scroller. Maneuver as a ninja killerbot through dynamic wastelands with 26+ specialized weapons. Dodge, dash, and dominate. A homage to Metroidvania and Roguelike: customize atomic evolution, breach intricate alert levels to decrypt the Oblivion Code...
AGRYOS: Recovering EdenFREE
AGRYOS: Recovering Eden is a third-person shooter with elements of a bullet hell where you play as Neziha, an adventurer fighting to recover the Branch of Eden from a failed space colony. Destroy hordes of robots with Neziha’s versatile arm cannon as you blast through this fallen AI-created society.
Blood Engine$11.99
Blood Engine: Immerse yourself in an action-packed third-person open-world experience. Race against time to thwart the relentless Red Swarm. Will you emerge victorious, or succumb to the biomechanical onslaught? The fate of humanity rests in your hands.
Last Mech Standing$12.99
VR rogue-like, arcade-style shoot-them-up. Pilot the Crimson Slayer, the last giant mech and humanity’s final hope. Slash waves of giant monsters with your sword & blast them with your minigun. Upgrade your weapons & tech along the way, find your fighting style, defeat bosses and level up!
Havoc Runner$3.99
"Havoc Runner" is a futuristic action and 2D platform game that will take you to Titan's moon to face killers robots, missile launchers, and automated weapons in a hostile environment where you must find and destroy the Tupan computer, preventing a missile attack on the planets of the solar system.
sea fight$0.99
"Naval Battle" is a simple game. Players control submarines and fire torpedoes to attack the enemy. By upgrading the base and obtaining modules in battles, players can become powerful quickly. Have a great time playing!
杀虫剂小队：虫族争霸Insecticide Troopers:Star zerg$8.99
The new flames of war have ignited, and you will lead the mobile infantry regiment to defend the position. At that time, these damn Zergs will come from all directions, but I believe that under the leadership of your heroic lieutenant, you and your subordinates can definitely defeat these damn Zergs
Polyturned$5.99
Your goal is to survive in a city overrun by zombies, team up with friends to mine resources, build forts and explore the abandoned city.
Mecha Knights: Nightmare$15.99
Mecha action shooter, plunging the player into an apocalyptic war. Engage in epic battles with endless hordes of monsters in your powerful customizable mechs.
JUST A GAME$1.99
"Just a Game" is a sci-fi flying shooting game, you will control the robot protagonist zero and lead the partners in this exclusion of artificial intelligence in the world to survive, there are many camps in the game, you can choose to join them or one side.Build your fleet and fight the world.
Myriavora$12.99
Myriavora is a roguelike swarm action shooter in a sci-fi setting. You unleash a storm of fire and ice upon giant spiders, dodging their frantic attacks via cool moves.
Drone Gladiator$4.99
New era of gladiator battle shows has come, era of robots! And you have a chance to participate in it! Drone Gladiator is an arena shooter, where you upgrade your drone, fight giant bosses and participate in random events.
Craftopia$24.99
Craftopia is the brand new multiplayer survival action game made in Japan. We combined many features we find enjoyable, such as hunting, farming, hack-and-slash, building, automation to develop this game.
REVNFREE
REVN is a free-to-play, third-person MOBA shooter set in a dark futuristic world. Fully customize your character appearance and loadout to cater to your unique playstyle. Defend your core at all costs and ruthlessly destroy your enemies in fast-paced 5v5 MOBA action.
Vox Machinae$29.99
Strap yourself into the cockpit of a robot seven times taller than a Tyrannosaurus Rex and prepare to do battle in Vox Machinae: the ultimate giant robot combat action-simulator for both VR and standard screens.
Rune Knights$19.99
Rune Knights is a cooperative action RPG focused on customization, crafting, and combat. Customize your character's aesthetics, stats, gameplay, and gear as you battle through procedurally generated and hand-crafted levels with your allies.
BrainAccelerator$12.99
The TPS game BrainAccelerator offers multiplayer, bullet-time action.
BREAK ARTS II$14.99
Faster than anyone. Stronger than anyone. And more stunning. Customize your robot for “cyber battle racing” in a game that offers all the thrills of racing, battle, and customization. Online, Offline, Time-Attack... which mode will you dominate?!
Town Of The Dead Life 死寂之城$5.99
《Town Of The Dead Life》 is an independent game with the background of eschatology. Players will play the role of one of the few surviving humans in the end of the world, surviving in difficult conditions and trying to change the fate of the world.
Awaken$9.99
In Awaken, a punk world that combines 2D and 3D, the protagonist wakes up unexpectedly. On the way to escape, he shuttles among various forces in the world to complete various tasks. This is an action adventure game with RPG elements, full of surprises, waiting for you to explore and discover.
Gemini: Binary ConflictFREE
‘Gemini: Binary Conflict’ is a multiplayer, class based, first person shooter set in the midst of an interplanetary war. The game features a colourful visual style, unconventional weaponry, equipment, armour, class roles and modes, to provide a subtle mix of familiar and unusual game mechanics.
Nightork Adventures 2 - Legacy of ChaosFREE
Nightork Adventures - Legacy of Chaos is an arcade shooter game. You fly with a spaceship through procedurally generated caves and fight against evil demons using magic colors. There is a campaign of 30 levels and 5 boss monsters. It also comes with a level editor, so you can create your own levels.
Override 2: Super Mech League$29.99
The gigantic robot brawler is Mech-ing a super-charged comeback in Override 2: Super Mech League!
Battle Record: Graizor$5.99
As a war threatens to engulf the world, a small rebel army with there new mobile weapon, Graizor, may be the world's last hope for peace. Destroy enemy mechs with the combination of a sword and energy rifle on your journey to bring an end to a devastating war.
The Survivors$13.99
You crashed near a city infested by an unknown virus, you discover a world of nightmare infested with zombies but also by fanatics. Deliver yourself, craft, build and fight for your survival and the other survivors that populate this world in this survival game.
HRS: devil game I$4.99
You are inside a maze, you have to get out from it, but be careful, a set of devils there!!!
GRAV$19.99
GRAV is a sand box experience where you explore a multitude of planets, hunt strange alien creatures, build and defend outposts, craft weapons and armor, and attempt to survive against other players in a hostile environment.
Kenny 7FREE
Fight multiples kind of ennemies in fast and fierce fights where only your reflexes will save the day. Discover multiples bonus that will increase your gun and increase your speed in this scifi third person shooter.
The Fight Of Escaper$13.99
Humanity has lost sight of itself, blinded by the false prosperity of AI development. You, the protagonist, begin to break free from AI control to uncover the truth of this world. Torn between escaping and erasing your memory, you yearn to leave this city of mechas and reach the shores of freedom.
Fight of Steel: Infinity Warrior$12.99
Fight of Steel: Infinity Warrior is a new fighting game with ultimate freedom. Players will have the opportunity to customize their own fighter from the appearance to fighting moves. Build your own STEEL Fighter Now! *Rollback net code will be provided*
Gearbits$9.99
Fast-paced mecha themed third person shooter.
Mutation Madness$5.99
Welcome to the World of Mutation Madness, where chaos reigns, viruses evolve, and survival is the ultimate challenge!💥Defeat waves of mutating viruses and save Cell City from the Madvirus outbreak!🦠🔫 Upgrade your gun and use powerful items, while discovering virus intel!🧪
The last earth man$4.99
"The last earthman" is a low angle shooting game. This game is simple to operate and full of pleasure! The game tells the story of the last earthman fighting evil aliens, saving the earth and continuing human civilization.
Stellar Ghosts Settlers$9.99
Stellar Ghosts Settlers is a Sci Fi Fantasy 3rd person action shooter game. Chose amongst 6 of the playable characters to go through the missions or the arenas. Kill as many enemies as you can to earn even more credits to update your favorite character(s).
Village of Zombies$6.99
In Village of Zombies you can fight against zombies and mutants together with other players or alone on different maps, the goal is to survive as many levels as possible. The game always starts at level 1 and with each level increase, more zombies and stronger zombies come.