Single-player games like Keo and the Cosmic Crystals
Below are 9 single-player Steam games similar to Keo and the Cosmic Crystals, 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 Keo and the Cosmic Crystals page.
Ranked picks
- 1
Forest of Strays
Single-player alternative to Keo and the Cosmic Crystals — playable solo, no multiplayer required. Shares Indie with Keo and the Cosmic Crystals.
Forest of Strays is a hardcore platformer with many dangers scattered across the stages. Try to complete every level while collecting every leaf along the way, fighting enemies, evading traps and getting through precise jumps! Can the lost girl find her cat and return home?
- 2
Key Escape
Single-player alternative to Keo and the Cosmic Crystals — playable solo, no multiplayer required. Shares Indie with Keo and the Cosmic Crystals.
Key Escape is a precision platform game, where your objective is to pick the padlock to venture out and be challenged in new levels. Bring the padlock with you and escape from this world with it.
- 3
GravNewton
Single-player alternative to Keo and the Cosmic Crystals — playable solo, no multiplayer required. Shares Indie with Keo and the Cosmic Crystals.
Challenge all your skill and quick thinking ability in this precision platform game, where you are a bitrom who controller over gravity called Newton, who is trying to escape from a deformed creature that relentlessly follows him in subspace.
- 4
Sword of Destiny
Single-player alternative to Keo and the Cosmic Crystals — playable solo, no multiplayer required. Shares Indie with Keo and the Cosmic Crystals.
Fight to restore the peace and justice in the world by thwarting the treacherous plans of the King, who turns the innocent into mindless skeletons to conquer the world.
- 5
Archaeogem
Single-player alternative to Keo and the Cosmic Crystals — playable solo, no multiplayer required.
Hats up and whips out; the wilderness' mysteries await! Explore lush biomes, use your trusty whip to extract wild flowers' mystic powers, and collect rare gems in this dynamic precision-platformer. Unearth archaeological marvels and become a legend!
- 6
Splodey
Single-player alternative to Keo and the Cosmic Crystals — playable solo, no multiplayer required.
The platformer without a jump button! Master the art of potion propulsion in this fast-paced adventure where strategy, precision, and creativity meet explosive fun.
- 7
TetherGeist
Single-player alternative to Keo and the Cosmic Crystals — playable solo, no multiplayer required. Shares Indie with Keo and the Cosmic Crystals.
TetherGeist is a challenging precision platformer that rewards practice and perseverance. Guide Mae and her axolotl spirit, Bao, on a wholesome coming-of-age pilgrimage while mastering Astral Projection, a tether that links Mae to her spirit and is the source of her strength.
- 8
1 Screen Platformer
Single-player alternative to Keo and the Cosmic Crystals — playable solo, no multiplayer required. Shares Indie with Keo and the Cosmic Crystals.
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.
- 9
Rakeo
Single-player alternative to Keo and the Cosmic Crystals — playable solo, no multiplayer required. Shares Indie with Keo and the Cosmic Crystals.
A platformer about Rakeo, a girl who embarks on a fantastical adventure to become the princess of the Cookie Kingdom and save the world from unexpected and disturbing dangers.