Top similar games like Project Rayssus:

This is a free-to-play team battle action game based on the "Mobile Suit Gundam" series of the Universal Century. Whether by land or by space, lay waste to your foes using either your favorite Mobile Suit or roam the battlefield as infantry and capture important objectives.

ANIMO STARS ARENA is a free to play third-person multiplayer shooter blending multiple modes, mechs and playstyles! Jump on board your mech and battle other pilots in high-octane combat across diverse environments in the ANIMO universe.

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.

PHANTOM GALAXIES™ is an epic sci-fi adventure with thrilling mecha combat. Choose between four distinct Starfighter classes and diverse weapons and gear. Once enemies, the intergalactic empires of humanity band together to battle lawless pirate factions amid war torn space!

War Robots is an online third-person 6v6 PvP shooter—we’re talking dozens of combat robots, hundreds of weapons combinations, and heated clan battles.

SD Gundam Battle Alliance is a multiplayer Gundam action RPG where you can smash foes solo or with friends in thrilling mechanized combat. Acquire new mobile suits, power them up, and take them into battle in various missions!

Break Free is a fast paced third person sci fi shooter game. The creatures that live among us have made the Earth uninhabitable for human life. You are mankind's best hope for survival. Make no mistake, war is coming and you shall die today, then you shall live to fight again tomorrow.

BATTLE STEED:GUNMA is a team battle TPS game implemented with giant robots. Join as a mercenary and win with your team in the battle that takes place in a competition between military companies from each countries to acquire new resources discovered on the space planets in the near future.

War Robots: Frontiers is an online multiplayer third-person shooter. Team up, fight with heavy metal machines, then shoot and smash your way to victory in fast-paced battles!

You need to decide the faction you are born into and fight for it, gradually becoming the most powerful Star Warrior. Power armor and energy core will be one of the most important cores that accompany players' growth. You can freely create your own mecha set and conquer the entire vast universe.

Take customization to the extreme with the Omega Customization System and battle with one-of-a-kind combat units in this all-new third-person shooter mecha game.

Join robot war games. Walking war robots battle games for free. Download now!

The First Descendant is a third-person looter shooter powered by Unreal Engine 5. Become a Descendant. Fight for the survival of humanity. Descendants have unique abilities to tackle both solo and co-op missions. Up to 4 players use varied mechanics to defeat giant bosses. BE THE FIRST DESCENDANT!

A co-op shooter-RPG with a retro-3D aesthetic. Customize and upgrade your character as you take back the city of Vestige from demonic machines!

Aphelion Headhunters is a Third-Person PVE Hero Shooter featuring two unique player characters, each with their own distinct playstyle, abilities and suite of selectable upgrades.

War Tech Fighters - the space action game that combines the spectacular action of Japanese Anime with Hollywood Blockbusters. Configure, upgrade and customize your War Tech and dive into battle to fight back the Zatronian forces and save your galaxy!

Swords and Shotguns is a Sandbox Survival MMORPG, combining elements of PvE and full loot PvP with intense real-time combat. Gather resources, craft power gear, and shape the player-driven economy. The entire world is a massive big server.

Arena Shooter goes Third Person! CrossPlanet is a Sci-Fi shooter where players go head-to-head in Player vs Player Multiplayer, or squad up with friends and dive into some PVE action against waves of enemies.

Frog Fighters is a light-hearted, fast-paced, third-person-shooter where you become a frog on a lily pad with an ability to shoot other flying frogs with different types of laser-leafs.

Battle For The Droid Station is a RPG shooting game now available on Steam. Feel the adrenaline as you run and gun down hundreds of rogue mechs and droids causing mayhem on the space station. Take control of your droid character and try to clear the space station from invading droids and robots.

Immerse yourself in a dark, dystopian world that seamlessly blends angels, demons, firearms, swordsmanship, magic, formidable creatures, and advanced technology. Progress through diverse, ever-evolving storylines, embarking solo or with your allies. Take a break any time and try out the PvP arena.

This game is a sci-fi action role-playing game From assembly to painting, you can greatly customize your character

The cult game that marked MercurySteam's origins returns; a sci-fi adventure with memorable characters, powerful ships and humor! Enjoy intense Multiplayer battles and races with ships you build.

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.

Pilot your fully customizable Arsenal mech and join your fellow mercenaries in defending humanity from the corrupted machines and gigantic robots in this post-apocalyptic action game!

CosmicBreak Universal is an MMO action game that lets you play massive battles of up to 30 vs 30 players using customizable robots and humanoids! Create your own original character and aim for victory with your allies!

A classic MOBA game inspired by "Future Cop L.A.P.D" and "Herzog Zwei". Play as a strong mecha warrior to conquer the enemy base with your units. Defeat the legendary Sky Captain in single-player mode or compete against your friends or random players.

Enjoy Battle Bot Style Of Robot Fighting In Wide Battle Arena!

Fantasy Magic third-person MO Action RPG. Confrontations of magicians and knights on separate arenas in PvP and PvE. Fight! 🐺 Or run!

Shipwrecked on a uncharted island, master survival alone or with friends. Battle, build, and conquer foes as you confront the mysteries lurking in its shadows.