Single-player games like Insurmountable
Below are 17 single-player Steam games similar to Insurmountable, 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 Insurmountable page.
Ranked picks
- 1
Heliotropism
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Strategy and Indie with Insurmountable.
From seed to a great tree! Survive the seasons, face crisis and mutate yourself into a tree able to achieve your final form! Grow flowers, mutate, adapt and evolve and finally bear fruits!
- 2
Beat the Heat
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Strategy and Indie with Insurmountable.
Manage a living ecosystem built from hex‑based tiles. Explore, collect, prevent, and adapt each turn as your decisions ripple across different interconnected biomes. Keeping the whole system in balance is the key to survival.
- 3
Winter Hunts Us
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Strategy and Indie with Insurmountable.
Lead a prehistoric clan across a brutal hex map in a turn-based survival roguelite. Outrun the glacier, fight hunger, face strange events, and defy extinction.
- 4
Crowntakers
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Strategy and Indie with Insurmountable.
Crowntakers combines turn-based strategy with RPG elements and takes you at the behest of the crown into a medieval fantasy world full of challenging encounters and epic adventures. With its randomly generated world, Crowntakers offers a varied gaming experience every time you set out to fight evil.
- 5
MASSIVE CHALICE
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Strategy and Indie with Insurmountable.
MASSIVE CHALICE is a tactical strategy game set on an epic timeline from Double Fine Productions. As the Immortal Ruler of the nation, you'll take command of its heroes, forge heroic marriages to strengthen your Bloodlines, and battle a mysterious enemy known as the Cadence in a 300 year war.
- 6
Crab God
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Strategy and Indie with Insurmountable.
Crab God is an atmospheric underwater strategy game. Guide your Crabling colony through wild ocean depths, and defend the egg of the next Crab God.Restore and protect diverse coral reefs, making a difference in the real world as you progress in-game. Make waves, praise the claw!
- 7
Shortest Trip to Earth
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Strategy and Indie with Insurmountable.
Shortest Trip to Earth is a roguelike spaceship simulator focused on exploration, ship management and tactical battles. Embark on a perilous journey across the universe with nuclear missiles, armed crew and a cat.
- 8
Card Survival: Tropical Island
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Strategy and Indie with Insurmountable.
Card Survival is a card-based survival experience. Stranded on a desert island you must use your wits and skills to stay alive. Use cards and combine them together to explore, gather resources and craft useful tools.
- 9
Slay the Spire
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Strategy and Indie with Insurmountable.
We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!
- 10
Net.Attack() - Code or Die!
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Indie with Insurmountable.
CODE OR DIE! Hack enemy systems & survive the security response by engineering lethal bullet-heaven algorithms. Your brain power determines your firepower across 190+ programming nodes. Debug your failures. Optimize your code. Complete the heist. HACK THE PLANET!
- 11
VRog
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Indie with Insurmountable.
Be a frog! Your HTC Vive/Oculus Rift is your window to the VRog world, allowing you to see through the eyes of a frog. Leap your way across the beautiful pond and see what's on the menu.
- 12
BeeFense
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Strategy and Indie with Insurmountable.
Build a fortress! Defend your honey! Be the bee!
- 13
BeeFense BeeMastered
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Strategy and Indie with Insurmountable.
The bees are back… bigger, bolder, better! Protect your beehive fortress against the hornet menace. After all, the best offense is a good BeeFense! Command your forces, manage your resources, and improve your defenses in increasingly challenging battles.
- 14
Gelly Break Deluxe
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Indie and Adventure with Insurmountable.
Gelly Break Deluxe is a couch co-op platformer in which you, as Gel and Lee, have to save the Gellies' home planet from Evil Blob. As a team, use your shooting and switching skills in challenging jump'n'run passages to survive together against the ever-changing enemy types.
- 15
Catch Me!
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Indie with Insurmountable.
Compete online against your friends and other players in this chaotic and fast paced 4-player game of tag! Race across different locations, jump through windows, electrocute the other players or throw cats at them. (No cats were harmed in the production of this game.)
- 16
Beat Slayer
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Indie and Adventure with Insurmountable.
Beat Slayer is a roguelite hack n’ slay game like no other. Instead of just being in the background the music takes centre stage. Join Mia, a badass music lover and crafty tinkerer, as she battles hordes of robots in a dystopian 90s inspired Berlin. There’s only one rule: Stay on beat!
- 17
Exovia
Single-player alternative to Insurmountable — playable solo, no multiplayer required. Shares Simulation with Insurmountable.
Exovia is a physics-based mining and automation sandbox in space. Survey asteroids, engineer zero-G logistics without conveyor belts, and design complex Newtonian factories. Turn floating chaos into perfect order and experience true inner peace as you solve one satisfying problem and then the next.