Top similar games like Iron Onslaught:

Fast Royal is a high-intensity battle royale game that redefines the genre with fully destructible environments, deep upgrade mechanics, a no-healing survival system, strategically enhancing weapons and character stats mid-match using mechanical points with energy management as a core mechanic.

Machinicide is a boomer shooter with imm sim and bullet hell elements. Reduce all evil robots to scraps with a huge arsenal of futuristic weapons and abilities, such as telekinesis, changing of gravity and many more.

Action survival shooter with an open map, upgrades, lots of weapons and many enemy types.

"Steel Knight's ARMIS" is a roguelike robot game. Lead the rebellion through five chapters, fighting against the Imperial Army and Earth Federation. Customize and upgrade your robot to survive the intense battles ahead.

A sci-fi flying person vs. robot battle game. A robotic enemy seems to vastly outmatch your necessarily hand-thrown weapons. But as dangerous to you as it is, it can hardly compare to the indigenous robot (a "nuisance") which roams the flyland. Use EXTREME caution-- and patience!

Fight your way through the mega-corporation Galatico, the gatekeepers of the universe’s most powerful transportation devices. Destroy their infrastructure and blast your way to the top in this boomer shooter inspired FPS.

REAVER is an ultra-fast-paced FPS that endows you with the mobility and weapon mechanics to reave through arenas of killer machines with grace and efficiency. Push the boundaries of speed and style in this next-gen movement-shooter.

Battle relentless robotic waves in this high-speed sci-fi FPS. Wield devastating alien weapons, dodge enemy fire, and fight for survival across stunning extraterrestrial battlegrounds.

Void Vanguard is a sci-fi action shooter with rogue-like elements and intense planetary exploration. Each planet offers a unique environment—from blistering deserts and frigid tundras to dense jungles—presenting diverse ecosystems and alien creatures that test your strategy and skill.

Solo Royale is an offline, single-player battle royale game. It is a fast-paced battle royale, getting the player immediately into the action. Solo Royale also has a gulag game mode, where the player faces off in a single-elimination 1v1.

Launch the SYNC protocol, where you are the ultimate weapon. Your job is to commandeer different robotic synth’s abilities in a high-octane, first-person frenzy. Master the art of SYNCing, and control the pace of battle.

Mind the Abyss is a fast-paced movement shooter that combines fourth-dimensional abilities and ever-evolving weaponry within an alien planet.

A Free-to-Play game based around space, PvP, PvE, Battle Royale, with vast customisation and flexibility. We plan to add extra features such as racing game modes as the game evolves...

Mow down the alien hordes, scout for resources and survive. Dreadnought is a mix of Action Tower Defense Survival and Shoot 'Em Up Bullet Hell where you control the ships turrets & defend against waves of enemies. Choose your weapons, upgrade your ship & brace yourself, the horde is coming.

Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.

Centauri Dark is a bullet-hell FPS where you fight against wave after wave of mechs in a bid for your own survival.

SPRAWL is a hardcore retro FPS set in an endless cyberpunk megalopolis. Escape the walled city and take on the militarized government of the sprawl. Fueled by the blood of your enemies and a mysterious voice in your head, make your way towards the spire to topple whatever lays within.

Intense first-person bullet-hell boomer-shooter in a fully randomised city-scape. Retro-style rogue-like with WAAAAY too many enemies all at once.

A fast-paced, score-attack movement shooter. Mow down an endless horde of robots, flying through hand-crafted arenas at breakneck speeds.

Twin-stick arcade style shooter which doesn't take itself too seriously. Challenge your friends in an online deathmatch arena to see who will stand victorious! Cyberstorm has a constantly growing selection of arenas to play, along with an epic selection of weapons to destroy your opposition with!

Unleash your combat prowess in Master Arena: Immerse yourself in the pulse-pounding FPS action featuring dynamic movement, 9 powerful weapons, 24 unique arenas, and a strategic perk system. Engage your adversaries with finesse in tactical duels, evolving to claim the title of the ultimate champion.

RETOOLED is a fast-paced FPS where you will have to use all of your weapons and abilities to come out victorious. Fight a vast array of enemy classes in complex arenas. Will you resist, rebel and reclaim? or perish... Bunnyhop your way into the action and find out while wrecking some robots!

Blitz and Pieces is a retro FPS boomer shooter with a focus on movement and interesting weapon combos.

Each map is different and has a challenge for you. Are you ready to conquer the unexpected? Prove that you can handle every challenge the game has to offer. Last survivor is the winner. will it be you?

Step into a bizarre and grotesque world where chaos reigns and monstrous creatures clash in epic battles. In this thrilling multiplayer experience.