Single-player games like NoOneKnowsME.
Below are 8 single-player Steam games similar to NoOneKnowsME., 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 NoOneKnowsME. page.
Ranked picks
- 1
Omega Warp
Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..
Omega Warp is a sci-fi themed action-adventure, which takes place aboard an interstellar freighter. Explore, upgrade your skills and equipment, and uncover the mysteries surrounding the freighter's loss of communication with the base of operations on Earth.
- 2
Last Moor
Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..
Last Moor is a horror game in which a man wakes up and escapes from a secret laboratory on the moon. You have to escape by solving various puzzles, exploring the laboratory, avoiding or fighting the monsters there.
- 3
The Aurora Chronicles
Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..
A crew of four. Mysteries at the edge of known space. A utopia that might be more fragile than it appears. The Aurora Chronicles is an episodic sci-fi visual novel where your choices shape relationships, uncover buried secrets, and test whether hope can survive what you discover.
- 4
Mayak
Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..
A signal from a star // 3571 → 3559 → 3557 → … → 0 // 336 years remain // You and her, staring up at the sky. A hand-drawn sci-fi adventure about first contact.
- 5
Merman Jump King
Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..
This is a high-difficulty platformer game where even slight collisions will cause you to lose control and be knocked back. I believe very few players can clear the game. Players will play as a mermaid warrior jumping forward to save the polluted ocean.
- 6
Stellar Code
Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..
Mysterious phenomena from space. A researcher's fatal accident. Cryptic codes engraved on an unknown material. Together with your brilliant sister-in-law, you must unravel a mystery that could determine the fate of Earth. A sci-fi mystery visual novel of discovery and suspense.
- 7
Star Fire: Eternal Cycle
Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..
Star Fire is a love letter to classic arcade side-scrollers, reimagined with roguelite progression, modern action polish, and that “just one more run” itch. It’s fast, punchy, and all about no-pressure fun with tight combat, slick movement, and endless ways to cause chaos.
- 8
Cursed Castilla (Maldita Castilla EX)
Single-player alternative to NoOneKnowsME. — playable solo, no multiplayer required. Shares Adventure with NoOneKnowsME..
Cursed Castilla (Maldita Castilla EX) is an arcade action platformer full of creatures from medieval myths from Spain and the rest of Europe, as well as from chivalric romances. The extended version of the classic Maldita Castilla, originally created by the indie Locomalito.