Single-player games like Cards of Cthulhu
Below are 10 single-player Steam games similar to Cards of Cthulhu, 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 Cards of Cthulhu page.
Ranked picks
- 1

Dark ill 暗黑蛊国
Single-player alternative to Cards of Cthulhu — playable solo, no multiplayer required. Shares Indie and RPG with Cards of Cthulhu.
This card adventure game combines elements of darkness, card and roguelike. Upgrading the cards will bring random attributes, creating various and unique adventure experiences. Design your custom card sets to defeat the decaying monsters, face the darkness and break the curse!
- 2

Void Grimm
Single-player alternative to Cards of Cthulhu — playable solo, no multiplayer required. Shares Action and Indie with Cards of Cthulhu.
Void Grimm is a real-time roguelike deckbuilder - In Space! Fight your way through waves of enemy spaceships. Your survival in the fast-paced battles requires quick thinking even at increased adrenaline levels. Optimize your deck, gather your crew, and utilize card synergies to master your runs.
- 3

SpellRogue
Single-player alternative to Cards of Cthulhu — playable solo, no multiplayer required. Shares Indie and RPG with Cards of Cthulhu.
SpellRogue is the ultimate tactical turn-based roguelike! Draft from over 350 powerful spells to assemble the perfect combination and crush your enemies in 70+ unique encounters. Face brutal choices, adapt to impossible odds, and strike back at the horrors that destroyed the world.
- 4

Menace from the Deep
Single-player alternative to Cards of Cthulhu — playable solo, no multiplayer required. Shares Indie with Cards of Cthulhu.
Menace from the Deep is an enthralling Roguelike Deckbuilding card game that unfolds in a dark world, drawing inspiration from Howard Lovecraft and the Cthulhu Mythos.Set against the backdrop of 1920s USA, the narrative revolves around a clandestine occult society.
- 5

DIMENSION REIGN - ROGUELIKE DECKBUILDER
Single-player alternative to Cards of Cthulhu — playable solo, no multiplayer required. Shares Indie and RPG with Cards of Cthulhu.
Dimension Reign is a roguelike deckbuilder where players control two characters at once to defeat hordes of enemies in an ever-changing landscape. Draw your abilities from your deck, and chain multiple breaks together to decimate entire screens of enemies before they can even get in a hit.
- 6

Wildfrost
Single-player alternative to Cards of Cthulhu — playable solo, no multiplayer required. Shares Indie with Cards of Cthulhu.
Take on the elements in Wildfrost, a tactical roguelike deckbuilder! Journey across a frozen tundra, collecting cards strong enough to banish the eternal winter…
- 7

Monster Train
Single-player alternative to Cards of Cthulhu — playable solo, no multiplayer required.
Monster Train is a strategic roguelike deck building game with a twist. Set on a train to hell, you’ll use tactical decision making to defend multiple vertical battlegrounds. With real time competitive multiplayer and endless replayability, Monster Train is always on time.
- 8

Astrea: Six-Sided Oracles
Single-player alternative to Cards of Cthulhu — playable solo, no multiplayer required. Shares Indie with Cards of Cthulhu.
Astrea is a DICE-deck-building roguelike that flips the script on deckbuilders by using dice instead of cards and a unique dual “damage” system: Purification vs Corruption. Build a dice pool strong enough to purify Astrea's out-of-control corruption and save the Star System.
- 9

Phoenix Force
Single-player alternative to Cards of Cthulhu — playable solo, no multiplayer required. Shares Action with Cards of Cthulhu.
Phoenix Force is a shoot 'em up about a group of phoenixes that fight big and strong mythological creatures in over 100 levels. It takes the boss battle as the foundation for every level, creating engaging and challenging fast battles that will require your best strategies and reflexes.
- 10

BULLET PARTY
Single-player alternative to Cards of Cthulhu — playable solo, no multiplayer required. Shares Action and Indie with Cards of Cthulhu.
The party co-op shoot ’em up! Become the king of the night club! Go alone or group your friends! Shoot the party crashers down!