Single-player games like Mars vs. Robots
Below are 14 single-player Steam games similar to Mars vs. Robots, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Mars vs. Robots page.
Ranked picks
- 1
Iron Brigade
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Action and Strategy with Mars vs. Robots.
Join The Mobile Trench Brigade and protect humanity from the evil Monovision menace!
- 2
War Tech Fighters
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Action with Mars vs. Robots.
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!
- 3
Surviving Mars
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Strategy with Mars vs. Robots.
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
- 4
Earth Defense Force: Insect Armageddon
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Action with Mars vs. Robots.
Thousands of giant insects and aliens once again ravage the earth, and only the Earth Defense Force can stop them.
- 5
Strike Suit Zero
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Action with Mars vs. Robots.
Pilot the mecha Strike Suit across massive fleet battles where your dogfighting skills decide Earth's fate. Fast, frantic space combat with capital ship destruction, multiple endings, and a universe that's anything but empty. This is space combat reborn.
- 6
Vanquish
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Action with Mars vs. Robots.
PlatinumGames’ revolutionary sci-fi action shooter slide-boosts onto PC. Battle legions of future-tech enemies using a vast arsenal of weapons, including all DLC. Fully unlocked framerate and gorgeous HD resolutions up to 4K. The definitive way to play: war has accelerated.
- 7
Grey Goo
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Strategy with Mars vs. Robots.
Fight for control of a frontier world. Gather resources, build your base, and command your forces in battle. Survive long enough to unleash your ultimate weapon - THE EPIC.
- 8
CRYPTARK
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Action and Strategy with Mars vs. Robots.
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
- 9
Grim Knight
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Action and Free To Play with Mars vs. Robots.
explore dungeons, collect powerful relics, defeat monsters. Hoards of unique monsters with speciel abilities are guarding the dungeons from you. Use and combine a ton of diffrent relics and weapons to get stronger and cut through them and their bosses.
- 10
King Krieg
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Action and Free To Play with Mars vs. Robots.
Combine abilites to create infinite possibilities of spells and decimate thousands of enemies. King Krieg is a top-down arena roguelite where YOU are the KING and you buy mystical items, find powerful guns, and craft new spells
- 11
Thunder Ronin
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Action with Mars vs. Robots.
Thunder Ronin is a samurai souls-like boss rush. on your way to take revenge on your familty. slash, deflect, and dash through powerful foes. fighting in ancient japan between sakura trees and the glow of the moon.
- 12
Whale Flesh
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required.
A short horror game where you dig through the flesh of a giant whale
- 13
A game about cards
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Strategy with Mars vs. Robots.
The pure card game, craft weapon cards, slay monster cards, create insane combos with cards. everything is cards. i love cards. the deckbuilder for card lovers
- 14
IncreKnight
Single-player alternative to Mars vs. Robots — playable solo, no multiplayer required. Shares Action and Strategy with Mars vs. Robots.
An Incremental game about Slaying a Dragon.