Single-player games like Bob's Crystals
Below are 8 single-player Steam games similar to Bob's 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 Bob's Crystals page.
Ranked picks
- 1

KAOS SurVival
Single-player alternative to Bob's Crystals — playable solo, no multiplayer required. Shares Action and Strategy with Bob's Crystals.
Get ready for chaos in KAOS SurVival! Explore an open world, gather resources, and build shelters to survive. Form clans, raid other players, and craft essential items. In a world where everything can be destroyed, only the strongest will reign. Prove your strength and dominate the chaos!
- 2

Sealand Survivor
Single-player alternative to Bob's Crystals — playable solo, no multiplayer required. Shares Action and Strategy with Bob's Crystals.
Survive on Sealand, a mysterious WWII island defense base. Face extreme weather, solve puzzles, and fight off hostile forces trying to stop you. Can you uncover its secrets and escape before time runs out?
- 3

Dream's frog
Single-player alternative to Bob's Crystals — playable solo, no multiplayer required. Shares Action and Indie with Bob's Crystals.
Dream's Frog is not just a retro-style arcade puzzle game, but a magical adventure of a cute frog in a dream world where logic, memory, and speed will help you overcome any obstacles. Immerse yourself in the nostalgic atmosphere of the 8-bit era and guide the frog through all 20 mazes!
- 4

OUTCLAW
Single-player alternative to Bob's Crystals — playable solo, no multiplayer required. Shares Action and Strategy with Bob's Crystals.
Collect and command a horde of mischievous minions as you explore this starry world. Turn chaos into connection in this surreal puzzle action-adventure about carving out your own strange little family.
- 5

Simulacro
Single-player alternative to Bob's Crystals — playable solo, no multiplayer required. Shares Action and Strategy with Bob's Crystals.
Simulacro is a 3D action-platformer with a measured pace and unconventional mechanics. In a world of strange physics and synthetic creatures, the experience challenges genre standards with a unique approach.
- 6

MOJITO Woody's Rescue
Single-player alternative to Bob's Crystals — playable solo, no multiplayer required. Shares Indie and Adventure with Bob's Crystals.
A parkour platformer game about a cube-shaped cat named Mojito that team up with Lana, a little yarn ball to rescue his best dog friend from an evil cucumber in a cute 3d adventure with sandbox levels, platforming challenges and exploration zones.
- 7

HIIT
Single-player alternative to Bob's Crystals — playable solo, no multiplayer required. Shares Action and Indie with Bob's Crystals.
Trapped on a mysterious planet, HIIT finds himself in a hostile world filled with challenges to overcome. Explore this Metroidvania adventure focused on platforming and puzzles to uncover what happened in Zaruma before your arrival.
- 8

THE DREADFUL SPACE
Single-player alternative to Bob's Crystals — playable solo, no multiplayer required. Shares Action and Indie with Bob's Crystals.
A fast-paced space war game packed with intense action! Test your reflexes as you dodge enemy fire and strike back using every powerful resource you can find. The combat is dynamic and relentless, challenging your skills as a true space war pilot.