Single-player games like Doors of Insanity: ReOpened
Below are 11 single-player Steam games similar to Doors of Insanity: ReOpened, 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 Doors of Insanity: ReOpened page.
Ranked picks
- 1

Magic Cauldron - Forgotten Island
Single-player alternative to Doors of Insanity: ReOpened — playable solo, no multiplayer required. Shares Indie and Adventure with Doors of Insanity: ReOpened.
This game combines a deck-builder with turn-based combat and elements of a classic point-and-click adventure ... all infused with plenty of Magic Cauldron humor.
- 2

Ash of Gods: The Way
Single-player alternative to Doors of Insanity: ReOpened — playable solo, no multiplayer required. Shares Strategy and Indie with Doors of Insanity: ReOpened.
Solve tactical puzzles in constantly changing battles and overcome circumstances that are NEVER in your favor. Defend your commander, win duels, capture points, experiment with your strategy to defeat a superior enemy, and make decisions that affect your story.
- 3

Brawl To The West
Single-player alternative to Doors of Insanity: ReOpened — playable solo, no multiplayer required. Shares Strategy and Indie with Doors of Insanity: ReOpened.
"Join this hilarious auto-battler! Equip gear, grow fruit trees, and tame monsters to build your team. Choose unique characters or battle others in ranked mode—every run is fresh! Weaklings perish; victors take all. Will you go the farthest? Dive in now!"
- 4

One More Gate : A Wakfu Legend
Single-player alternative to Doors of Insanity: ReOpened — playable solo, no multiplayer required. Shares Strategy and Indie with Doors of Insanity: ReOpened.
One More Gate is a rogue-lite deck-builder that combines exploration and turn-based strategic combat. Head out to discover fantastic places, master the power of Wakfu to create destructive card combos, and defeat all those who would stand in your way!
- 5

Pirates Outlaws
Single-player alternative to Doors of Insanity: ReOpened — playable solo, no multiplayer required. Shares Strategy and Indie with Doors of Insanity: ReOpened.
Pirates Outlaws is a roguelike card game in which you navigate dangerous seas and challenge their masters. Your expedition will be full of ambushes and will not be easy. Build your deck and combos to become a reputed pirate.
- 6

Inkulinati
Single-player alternative to Doors of Insanity: ReOpened — playable solo, no multiplayer required. Shares Strategy and Indie with Doors of Insanity: ReOpened.
Inkulinati is a turn-based strategy game straight from medieval manuscripts, where a rabbit’s bum can be deadlier than a dog's sword. Become a master of the Living Ink, build your own bestiary, defeat medieval superstars and collect perks to unleash hidden powers.
- 7

Card Hog
Single-player alternative to Doors of Insanity: ReOpened — playable solo, no multiplayer required. Shares Strategy and Indie with Doors of Insanity: ReOpened.
Card Hog is a pig-based dungeon crawler with roguelike and deck building elements. Take the role of an adventurous hog and interact with more than 100 cards of dangerous enemies, powerful weapons and exciting spells!
- 8

Out Of Hands
Single-player alternative to Doors of Insanity: ReOpened — playable solo, no multiplayer required. Shares Strategy and Indie with Doors of Insanity: ReOpened.
Out of Hands is a bizarre card-based adventure game that blends video-collage graphics with gripping psychological horror. Will you seek the truth lurking in this wicked, warped world—and can you bear its weight? Misty memories threaten to tear you apart, contorting you into a being... Out of Hands.
- 9

Slay the Spire
Single-player alternative to Doors of Insanity: ReOpened — playable solo, no multiplayer required. Shares Strategy and Indie with Doors of Insanity: ReOpened.
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

The Legend of Tianding
Single-player alternative to Doors of Insanity: ReOpened — playable solo, no multiplayer required. Shares Adventure with Doors of Insanity: ReOpened.
The Legend of Tianding is a sidescrolling action game about Liao Tianding, the legendary Taiwanese Folk Hero. Explore the dazzling streets of Colonial Japanese Taiwan in the early 20th century.
- 11

My Lovely Empress
Single-player alternative to Doors of Insanity: ReOpened — playable solo, no multiplayer required. Shares Strategy and Indie with Doors of Insanity: ReOpened.
My Lovely Empress is an empire management sim inspired by Asian mythology. As the Emperor of the Crimson Empire, you will build relations with neighboring rulers, balance internal factions, and ensure the prosperity of your people, all before you reap their souls to resurrect your beloved empress.