Single-player games like Project Mercury
Below are 9 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
1 Screen Platformer
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action and Indie with Project Mercury.
This is a SHORT, 2D PLATFORMER with TIGHT CONTROLS about exploring a single level to get past a bunch of TRAPS. There is an EASY mode and a HARD mode depending on your skill level.
- 2
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!
- 3
ZeroRanger
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action and Indie with Project Mercury.
This is the story of a fighter who wanted to become...
- 4
Rebel Transmute
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action and Indie with Project Mercury.
Rebel Transmute is a challenging 2D action-platformer epic with heart! Explore the twisting caverns of an alien planet, augment your play-style to fit your strengths, battle deadly bosses, and uncover a dark truth as Moon Mikono searches for her long lost mother.
- 5
Mega Man X Legacy Collection
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action with Project Mercury.
Mega Man X Legacy Collection includes the legendary 16-bit titles and the series’ exciting foray into the 32-bit era: Mega Man X, Mega Man X2, Mega Man X3, and Mega Man X4. Test your skills in the new X Challenge mode, which pits players against two deadly bosses at once.
- 6
VVVVVV
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action and Indie with Project Mercury.
VVVVVV is a platform game all about exploring one simple mechanical idea - what if you reversed gravity instead of jumping?
- 7
Mega Man X Legacy Collection 2
Single-player alternative to Project Mercury — playable solo, no multiplayer required. Shares Action with Project Mercury.
Complete the exciting Mega Man X saga with four action-packed titles! This collection showcases the evolution of the series with Mega Man X5, Mega Man X6, Mega Man X7, and Mega Man X8. Test your skills in the new X Challenge mode, which pits players against two deadly bosses at once.
- 8
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.
- 9
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!