Single-player games like Omega Mouse Zero
Below are 8 single-player Steam games similar to Omega Mouse Zero, 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 Omega Mouse Zero page.
Ranked picks
- 1

MindKatt:First Strike
Single-player alternative to Omega Mouse Zero — playable solo, no multiplayer required. Shares Action and Adventure with Omega Mouse Zero.
An action-adventure game set in a dystopian future where mentally evolved cats fight for their freedom using robotic suits to interact with the human world.
- 2

Morkull Ragast's Rage
Single-player alternative to Omega Mouse Zero — playable solo, no multiplayer required. Shares Action and Adventure with Omega Mouse Zero.
A 2D video game that combines platforming and action with a touch of exploration in which we control Morkull, God of death and darkness and lord of the Ragast, whose main mechanics lies in the breaking of the fourth wall, which will allow Morkull to communicate with the player in various ways.
- 3

Scrabdackle
Single-player alternative to Omega Mouse Zero — playable solo, no multiplayer required. Shares Action and Adventure with Omega Mouse Zero.
The magical misadventure of a novice wizard thrown (literally) into the unfamiliar world outside. Go on a sprawling hand-drawn adventure with spells to study, bosses to best, and a huge handcrafted world to traverse on the long journey home.
- 4

F.I.S.T.: Forged In Shadow Torch
Single-player alternative to Omega Mouse Zero — playable solo, no multiplayer required. Shares Action and Adventure with Omega Mouse Zero.
F.I.S.T.: Forged In Shadow Torch is a Metroidvania action game featuring exploration, intense combat and challenging platforming.
- 5

GRIME
Single-player alternative to Omega Mouse Zero — playable solo, no multiplayer required. Shares Action and RPG with Omega Mouse Zero.
Destroy... Absorb... Grow... GRIME is a fast and unforgiving Action-Adventure RPG in which you crush your foes with living weapons that mutate form and function, and then consume their remains with a black hole to strengthen your vessel as you break apart a world of anatomical horror and intrigue.
- 6

DOOMBLADE
Single-player alternative to Omega Mouse Zero — playable solo, no multiplayer required. Shares Action and Adventure with Omega Mouse Zero.
Deep underground, Gloom Girl discovers DOOMBLADE, a sentient weapon hellbent on escape after eons in chains. Together, “Doom and Gloom” embark on a vengeful quest to unlock the powerful abilities and destroy the Dread Lords once and for all in this 2D Action Metroidvania.
- 7

TurnOn
Single-player alternative to Omega Mouse Zero — playable solo, no multiplayer required. Shares Action and Adventure with Omega Mouse Zero.
"TurnOn" tells the spellbinding tale of a brave alien creature and its striking journey through blackout world, in an incredibly colorful and detailed platformer without platforms.
- 8

Shantae: Half-Genie Hero
Single-player alternative to Omega Mouse Zero — playable solo, no multiplayer required. Shares Action and Adventure with Omega Mouse Zero.
Shantae embarks on her first full HD adventure! When a mysterious crime wave sweeps Sequin Land, it’s up to Half-Genie Hero Shantae to save the day! Use Shantae’s devastating Hair-Whip Attack to send monsters flying, or Belly Dance to transform her into more powerful forms!