Top similar games like Mars vs. Robots:

MechNest is a 3D bullet hell shooter developed by a single person. As you progress through the map, which changes with each challenge, collect reinforcement items and defeat powerful enemies with flashy shooting! Combine your skills freely and rampage through the hive of mechs!

Simultaneously control a sword-wielding robot and a gunslinging space frog in Shoulders of Giants, an explosively colourful sci-fi roguelike. Play alone, with a friend, or as part of a four-person team, cutting through waves of enemies on a quest to rescue the galaxy from the forces of Entropy!

CHUTNEY: Space Survivor is a third person, hoard-shooting deck builder where you play as Chutney, shooting down hordes of enemies with his Omni-gun. Alter your attacks by collecting different cartridges and create unique synergies!

INTERGALACTICORP. is a sci-fi rogue-lite tower defense game where you take on the role of an operator-bot, charged with conducting an intergalactic mining operation. Will you thrive as an efficient miner in this alien environment, or succumb to the dangers that lurk in the depths of space?

Not for the faint of heart, Shoulders of Giants: Prepare to Croak is a permadeath Sci-fi Roguelike. Play alone, with a friend, or as part of a four-person team, cutting through waves of enemies on a quest to rescue the galaxy from the forces of Entropy!

Hop on and drop in with the first act of Shoulders of Giants: Ultimate. This prologue features newly balanced challenges, fully working online co-op, and a slick new upgrade to Unreal Engine 5! Your frog-and-mech adventures here are just a taste of what awaits in Shoulders of Giants.

Sixty basic cores, hundreds of base station equipment, and thousands of chips, you can freely cooperate and shoot through the dual-angle joystick operation in a survival Roguelike game! Explore the sci-fi space and build your strongest battleship!

A tower-defense game with roguelite elements on fully explorable mini planets! Travel the galaxy of Vyrosa, land on planets, and defend your drilling equipment while mining fuel to continue your journey throughout the galaxy!

RIG Riot is a roguelike third-person mech-action shooter. Travel through increasingly difficult stages and collect weapons and mods with powerful effects. Discover unique synergies that suit your playstyle, and travel the megastructure in search of rare permanent parts to perfect your RIG.

Play as a lone rabbit sent to the outer space on the journey back home. Defend the ship against relentless alien waves, harvest precious resources, upgrade under pressure, and survive the crushing energy deficit. Every warp brings you one step closer to home… or to ruin.

Space Survivor is a space-themed rogue-like game. Piloting and upgrading spaceships, recruiting crew members, recruit wingmen, constructing space station defense systems, and defending the space station.

"VOIDCRISIS" is a four-player tower offense game on an undulating battlefield. Operate combat bio-machines called VA (Vital Armor) drawn with dynamic mechanical art shaders and work together to clear high-difficulty stages.

“Grab, hurl, and eliminate” Rogue-lite Core-Action!! A large-scale rebellion erupts within the spacecraft “Life Stream.” With the help of you, Rona, an android known as “Metallic Child,” stands up against a fleet of massive robots to stop the plot devised by her own creator, Doctor Irene.

Launch a vehicle and make it have maximum impact! Grand Throw Auto is a fast paced action packed game with rogue like elements. Fight a battle for the cup victory. With many difficulty settings that you earn as you pass the previous tests, as well as various types of foes and weapons to collect.

Build traps. Fight bots. Survive the waves. Die Robot is a stylized third-person tower defense game where you defend a mysterious Data Seed from waves of robots, the Carbonites. Mix real-time base building with fast-paced combat in a strategic fight for survival.

Command your starship through a galaxy-spanning conspiracy in this real-time tactical roguelike. Manage power, shields, weapons and more. Featuring permadeath progression, seamless portal travel, and intense capital ship combat using Newtonian Physics with Damped Velocity.

Fast-paced roguelike where you mine and explore procedurally-generated asteroids. Collect unique stackable upgrades to aid you in your quest for riches! (and freedom...)

Build your weapon to its full potential in Galactic Vault, a fast-paced FPS roguelite. Discover endless upgrade combinations, craft diverse builds, and unleash devastating abilities. Get ready to infiltrate high-security vaults and recover lost tech.

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.

Tear your enemies limb from limb and protect your faction from the enemy mechs. This rogue-like lets you mix and match body parts to fully customise your brawler for combat. Cause chaos in this physics-based mech fighter! Build & share your own levels in our forge mode!

Loopbreaker is a class-based, third-person, action roguelike in which you can go it alone or team up with friends to battle back against the alien invasion by collecting powerful items and outpacing the onslaught.

Defend, Upgrade, and Conquer. A unique hybrid of roguelike action and real-time strategy. Choose your Faction and play as a powerful Commander and battle alongside your army. Fight for your Faction, unlock new Commanders, tech-up, and become an all-powerful force!

A fast-paced TPS & FPS where you control a mech in battle. Customize 12 parts: head, torso, arms, legs, booster, FCS, and 6 weapons. Weapon and frame colors are changeable. Use weapons, jump, boost up, run on walls, do rapid boosts, quick turns, and high boosts.

Fast-paced Roguelike shooter in a dystopian steampunk future.

Cyber Loop is a TPS roguelike shooter where you play as Alice, an enforcement robot suppressing a robot uprising in Sodom. Choose from 60+ weapons, face random monster combinations, and challenge epic bosses. Experience the thrilling heartbeat of machinery! Add to your Steam wishlist now.

Gear up for tactical mech action in War Robots: Frontiers, a free-to-play multiplayer mech shooter. Construct and customize, squad up with Pilots online, and fire up your engines in massive intergalactic battles.

Unleash magic mayhem in Cogfire! Craft custom spells and blast through hordes of robots in this 3rd-person roguelike.

A new threat arises! Will you stand up and protect the planet?It’s time to SUIT UP, survive an alien invasion and protect your loved ones in a world where Wave Survival, Twin Stick Shooters, RPG and Roguelite come together in one epic mashup!

This is a very fast God's perspective roguelike shooter, the player will pilot the mech, explore the alien frontier, enjoy the "Crimsonland + Vampire Survivors (Vampire Survivors)" endless killing!

Warden’s Will is a fast-paced movement-based roguelite shooter you can enjoy solo or up to 3 friends. Pick your Warden, try out different builds, and jump into chaotic arenas filled with unpredictable robots. The game challenges you to move smart and react quickly and try new builds with every run.

"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.

Fight through alien worlds, obliterating relentless foes, and forge your own path to unlimited power. In this third-person roguelite shooter, harness the power of deep customization. Adapt, experiment, and break the limits of power as you carve your legend across the stars.

STARNAUT is an easy-to-learn survival auto-shooter! Equip 8 weapons and survive intense 15-30 minute runs as you fight endless waves of enemies to restore Earth. Supports mouse/keyboard and controllers!