Single-player games like Crystal Caves HD
Below are 18 single-player Steam games similar to Crystal Caves HD, 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 Crystal Caves HD page.
Ranked picks
- 1
Secret Agent HD
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
Return to the remote island classic world of rewards and traps in the HD remake of Secret Agent! Guide 006 through puzzles & arcade challenges of your favorite missions, then uncover the whole new Episode loaded with all new puzzles, enemies, challenges, hazards & help 006 finally defeat DVS!
- 2
The True Slime King
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
An evil presence has emerged in the kingdom… but is it you or is it them? Play as a fallen king and somewhat immortal slime to conquer an onslaught of obstacles and puzzles in a quest to reclaim your fallen kingdoms. Smooth and simple controls for the ultimate experience in 2D precision platforming!
- 3
Dashbounce
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
A 2D Speedrunning Puzzle-Platformer about going fast and intentionally abusing physics quirks! Seek the goal in each level before the clock hits zero - but watch out, you can't jump! You'll have to use your surprising speed and bouncy body to turn every object and obstacle into an advantage!
- 4
Comit Legends
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
Comit Legends is a remake of the first five Comit games, built from the ground up with a new engine. Replay Comit's fight against the evil space pirate Krater and the universe conquering leader of the Star Knights, Cosmo Knight.
- 5
Kid Hallow
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
Wear different costumes to get past different challenges in this precision puzzle platformer. Then build your own challenges in the level editor!
- 6
Grocket
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required.
Grocket is a minimalist, precision-based adventure and puzzle game. To survive in space, you not only have to escape numerous dangers, but also prove your skills at playing with and against other players.
- 7
Star Aegis
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
A shmup without shooting. Reflect the bullets with one of your two shields. Bite-sized arcade action. Cover humankind's retreat and make it count.
- 8
Easy
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
▎Easy- 2D dynamic platformer, made in the style of minimalism and has a creative approach to level design, each level becomes a real challenge and gives a lot of emotions. Discover new tactics and approaches to completing the game. Be smart and enter the top players of the game "Easy"!
- 9
Commander Keen
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
Commander Keen: Invasion of the Vorticons: Episode 1: Marooned on Mars (Dec. 14th 1990) Episode 2: The Earth Explodes (1991) Episode 3: Keen Must Die! (1991) Commander Keen's very first adventure, and the debut of id's groundbreaking side-scrolling technology.
- 10
Raptor: Call of The Shadows - 2015 Edition
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
The great action-crazed, guns blazing, shoot ‘em up game comes back straight out of the ‘90s. Raptor: Call of the Shadows and its futuristic world are ready to challenge your flying skills.
- 11
Monster Bash
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
Johnny Dash's bash 'em and smash 'em adventure takes him into the evil Under World of Count Chuck. The story starts when Johnny's dog Tex is kidnapped by the Count, along with hundreds of other pet dogs and cats.
- 12
Cosmo's Cosmic Adventure
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
What's green with red spots, has suction hands, and has an overbite like Bart Simpson? Of course, the answer is Cosmo! Cosmo is a young alien on his way to visit Disney World with his parents. That is, until their ship is struck by a blazing comet, forcing them to land on an uncharted planet.
- 13
Alien Carnage / Halloween Harry
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
Starring hero "Halloween Harry", Alien Carnage is an impressive game with no detail overlooked. Professional musical soundtrack, brilliant full-VGA graphics, non-stop animation and huge start-game and end-game cinematics. If Duke Nukem has a twin separated at birth, it's got to be Halloween Harry!
- 14
Major Stryker
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
In the not-so-distant future, the calamity of World War III led to eventual world peace. But, it didn't last. Earth was invaded by alien marauders - the Kretons. Earth's united military force, still depleted after the mighty onslaught of WWIII, was not nearly sufficient to repel the numerous Kreton attacks.
- 15
Raptor: Call of the Shadows (1994 Classic Edition)
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
Become a mercenary of the future and pilot the super-tech Raptor. Embark on interplanetary missions to knock off top competitors of MegaCorp, battle against hordes of relentless enemies and spend the bounty to expand your devastating arsenal, which can be upgraded with 14 hardcore weapons!
- 16
Wizordum
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
Wizordum is a retro FPS that puts you in the role of a Mage on a quest to track down the source of Chaos. With a wide arsenal of spells and magic items, battle your way through the world of Terrabruma in this unique blend of classic 90s shooters and modern gaming elements.
- 17
Courier of the Crypts
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required.
Courier of the Crypts is a 2D puzzle adventure game where you have to survive as a Courier on his first errand to the ominous crypts. Main tool to achieve the mission is a Magic Torch which you use to illuminate your path, defend from darkness and solve puzzles - it must never run out!
- 18
Monster Bash HD
Single-player alternative to Crystal Caves HD — playable solo, no multiplayer required. Shares Action with Crystal Caves HD.
Apogee's bash'em and smash'em adventure plunges Johnny Dash into the evil Underworld of Count Chuck, when his dog Tex is kidnapped by Count Chuck along with hundreds of other dogs & cats! Guide Johnny through the Count's gruesome schemes, rescue all the pets, and end this nightmare once and for all!