Single-player games like DOOMSDAY
Below are 8 single-player Steam games similar to DOOMSDAY, 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 DOOMSDAY page.
Ranked picks
- 1

CyberHoney
Single-player alternative to DOOMSDAY — playable solo, no multiplayer required. Shares Strategy and Casual with DOOMSDAY.
Players can choose up to 4 heroes to fight. In hundreds of random levels, there are nearly 100 types of enemies and dozens of powerful Bosses waiting for your challenge. Each character has unique weapons and skills. Using different weapons can change character’s attack range,
- 2

Mineral Defense
Single-player alternative to DOOMSDAY — playable solo, no multiplayer required. Shares Strategy and Casual with DOOMSDAY.
Mineral Defense combines tower defense with roguelite elements and procedural generation. Build paths, unlock upgrades, and unleash powerful synergies to conquer evolving challenges in an ever-expanding world.
- 3

Meteorfall: Krumit's Tale
Single-player alternative to DOOMSDAY — playable solo, no multiplayer required. Shares Strategy with DOOMSDAY.
Krumit's Tale, the second game in the Meteorfall universe, is a new take on the deckbuilding roguelike genre. Use your cards to clear dungeons, then upgrade your deck with new cards and perks to press forward. The fate of the world is in your hands.
- 4

Pirates Outlaws
Single-player alternative to DOOMSDAY — playable solo, no multiplayer required. Shares Strategy and Casual with DOOMSDAY.
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.
- 5

Breach Wanderers
Single-player alternative to DOOMSDAY — playable solo, no multiplayer required. Shares Strategy with DOOMSDAY.
A fresh take on Roguelike Deckbuilders that lets you fine-tune your decks before each run to adapt your strategy on your way to victory. Over 1,200 cards to choose from, ten characters with their own set of unique skills, and dozens of items and missions to evolve your tactics.
- 6

The Simulacrum
Single-player alternative to DOOMSDAY — playable solo, no multiplayer required. Shares Strategy and Casual with DOOMSDAY.
The Simulacrum is a deckbuilder with procedurally generated cards. Obtain cards through a roguelite mode, acquire a large collection and challenge the hidden guardians of The Simulacrum.
- 7

Balatro
Single-player alternative to DOOMSDAY — playable solo, no multiplayer required. Shares Strategy and Casual with DOOMSDAY.
The poker roguelike. Balatro is a hypnotically satisfying deckbuilder where you play illegal poker hands, discover game-changing jokers, and trigger adrenaline-pumping, outrageous combos.
- 8

DICEOMANCER
Single-player alternative to DOOMSDAY — playable solo, no multiplayer required. Shares Strategy and Casual with DOOMSDAY.
DICEOMANCER is a roguelike deck-building game. Though you long for a peaceful life, you're forced to embark on an adventure. In this world of swords, magic, and guns, make good use of your dice and deck to find a way back to tranquility! What can the dice be used for? To change... anything.