Top similar games like ProjectRayssus:

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.

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!

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.

Mecha BREAK is a multiplayer mech game that allows players to choose from diverse mechs, customize appearances, and battle colossal war machines on treacherous terrain. Get ready for the ultimate showdown—blitz, brawl, blaze!

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!

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.

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.

World of Robots is the tactical online shooter with simple controls

Nyan Heroes is a team-based hero shooter featuring cats piloting mechs. Master unique abilities and advanced feline movement. Customize your mech loadout with weapons and mods. Even after your mech falls in combat, your cat skills can still turn the tide of battle for your team!

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.

Suit up for massive mecha mayhem in War Robots: Frontiers. Construct and pilot mechs, squad up, and unleash your power in epic online battles.

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!

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

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!

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.

Build mechs and fight in this fast-paced, anime-inspired isometric top down shooter with online multiplayer PvP and single player PvE game modes. Customize your robot fighter with a variety of parts, weapons and cosmetics. Upgrade your equipment, abilities and stats. Battle and win in the arena!

Step into a dynamic Action RPG Arena Fighter set in a medieval fantasy realm. Create your champion, battle waves of enemies and level up with friends in solo or cooperative play. Earn gold for powerful gear and powerups!

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.

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.

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.

Granvir is an action roguelite featuring mech building. Scavenge the battlefield for parts to replace and upgrade your arms, legs, torso and weaponry. PIlot your Granvir and manage your campaign between battles to find the best equipment and stay supplied.

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.

As a daring space buccaneer, assemble your crew, navigate treacherous cosmos, engage in epic battles, and uncover hidden treasures on mysterious planets. Forge your legend as the most notorious captain in the galaxy!

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.

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

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.