Single-player games like Mars 2099
Below are 8 single-player Steam games similar to Mars 2099, 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 2099 page.
Ranked picks
- 1
Martian Invaders
Single-player alternative to Mars 2099 — playable solo, no multiplayer required. Shares Action with Mars 2099.
WE HAVE ALIENS, YOU DON'T—Blast Martian invaders and flying saucers across 30 stages with robotic voice effects. Use your destructible shield, rescue army men for bonus points, and chase the high score.
- 2
RESHOOTER
Single-player alternative to Mars 2099 — playable solo, no multiplayer required. Shares Action with Mars 2099.
RESHOOTER offers heart-pounding shoot-em-up action that elevates classic arcade gameplay to the next level. Dive into the retroflow with electrifying visuals, immersive audio, and captivating mechanics.
- 3
Mooncall
Single-player alternative to Mars 2099 — playable solo, no multiplayer required. Shares Action with Mars 2099.
A retro vector arcade rescue game. Fly your ship to save stranded foragers from a crater-scarred moon, then walk the surface to build beacon networks while the asteroid storms close in. Don't ask about the red mushrooms as officially, they aren't there.
- 4
Cosmic Cruiser
Single-player alternative to Mars 2099 — playable solo, no multiplayer required. Shares Action with Mars 2099.
In this unique shooter from 1984. take on the role of a pilot of an out-dated Cosmic Cruiser, fighting to rescue the crew of a distant space station that had been captured by a raiding party from the sinister Rallom Empire.
- 5
Solaris - Arcade Edition
Single-player alternative to Mars 2099 — playable solo, no multiplayer required. Shares Action with Mars 2099.
You take control from a spaceship called DV-01 to towards on stages until reach the "Special Stage" that is endless! Shoot on enemies to earn more points this is the focus. Enjoy! This is the Arcade Version from "Solaris The Second Law".
- 6
Astral Bounty
Single-player alternative to Mars 2099 — playable solo, no multiplayer required. Shares Action with Mars 2099.
Astral Bounty is a brutally hard 2D arcade sidescroll shooter straight out of the 90s. Shoot your way through hand-built formations, earn credits as you go, and spend them on upgrades, checkpoints, and revives. One difficulty setting, four ships, no mercy.
- 7
Lober Lobe
Single-player alternative to Mars 2099 — playable solo, no multiplayer required. Shares Action with Mars 2099.
Shoot psychic orbs, collect useful thoughts, upgrade your Probe with speed, maneuverability, satellites, resistance and suppress negative thoughts in this Brain centric, procedurally generated bullet hell shoot 'em up.
- 8
Caves Of Mars
Single-player alternative to Mars 2099 — playable solo, no multiplayer required. Shares Action with Mars 2099.
Caves of Mars is a new 2D sci-fi action adventure space shooter game set in the mysterious caves of the planet Mars. Your mission is to navigate your spacecraft through 100 procedurally generated levels, battle against and destroy enemies and alien lifeforms and collect as many gems as possible.