Single-player games like Project Mercury
Below are 8 single-player Steam games similar to Project Mercury, 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 Project Mercury page.
Ranked picks
- 1
Blazing Chrome
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action and Indie with Project Mercury.
In Blazing Chrome, bring your best pal and kick some metal butts to free the humankind while enjoying a classic run’n’gun, fully loaded with action and exciting fights!
- 2
Mobile Astro
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action and Indie with Project Mercury.
Run, gun, and survive! In this twin stick arcade shooter, you'll be fighting your way through countless waves of enemies to restore maximum peace to the galaxy!
- 3
The Mummy Demastered
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action with Project Mercury.
A powerful ancient evil has arisen, and the war to save humanity has begun! As an elite agent in the monster-hunting Prodigium organization, you must use a variety of weapons, upgrades, and mysterious artifacts to defend mankind against the supernatural hordes of Princess Ahmanet.
- 4
Freedom Planet
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action and Indie with Project Mercury.
Fight your way across the celestial world of Avalice where cats are green, motorcycles drive up walls and monster girls do most of the buttkicking! Freedom Planet is a cartoony, combat-based platform adventure that pits a spunky dragonoid and her friends against an alien attack force.
- 5
Aeon Drive
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action and Indie with Project Mercury.
Rush through the cyberpunk landscapes of Neo Barcelona in Aeon Drive, an action-platformer with a speedrunning twist! Whether solo or in up to 4 player co-op, sprint and dash through many areas of the neon-infused city - and use your time and space-bending abilities to get ahead.
- 6
Vengeful Guardian: Moonrider
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action and Indie with Project Mercury.
Vengeful Guardian: Moonrider is a side-scrolling action platformer that channels the golden age of classic 16-bit action games in a full-throttle quest for revenge. Created to defend a totalitarian state, the Moonrider rejects its programming and now seeks vengeance on its creators.
- 7
Valfaris
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action and Indie with Project Mercury.
Set in a far corner of space, Valfaris is a heavy metal infused 2D action-platformer and the next game from the team behind Unity Awards finalist, Slain: Back From Hell. Brutal combat. Deadly enemies. Stunning pixel art. Savage soundtrack. Get ready to rip the galaxy a new wormhole.
- 8
Ultionus: A Tale of Petty Revenge
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action with Project Mercury.
Ultionus is a love-letter to the home computer arcade games of the late 80s and early 90s, with colorful 2D visuals, catchy chiptune music by the legendary Jake 'Virt' Kaufman, and 7 stages of hard-as-nails gameplay.