Single-player games like FLASK
Below are 9 single-player Steam games similar to FLASK, 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 FLASK page.
Ranked picks
- 1
Slay Sean, Save The World!
Single-player alternative to FLASK — playable solo, no multiplayer required. Shares Strategy with FLASK.
A comic-book auto-battler where the Greek gods brawl. Draft your pantheon, fuse skills into game-breaking combos, and crush real players' ghost armies to climb from Mortal to Olympian. Rebuild your board every round. Then slay Sean and save the world.
- 2
Rookspell
Single-player alternative to FLASK — playable solo, no multiplayer required. Shares Strategy with FLASK.
Rookspell is a roguelike chess deckbuilder where tactical positioning meets chaotic card play. Outmaneuver your opponents with grandmaster strategy or break the board entirely with powerful card combos. Win through pure skill or draft an unstoppable play. The choice is yours!
- 3
Portentum
Single-player alternative to FLASK — playable solo, no multiplayer required. Shares Strategy with FLASK.
The cryptid deck-building auto battler. Hunt for broken combos using cryptids from around the world like Bigfoot, Jimothy, Nessie, and the Chupacabra. If somebody's uncle saw it in the woods in 1973, there's a good chance it's a card in Portentum.
- 4
Cardboard Gladiators
Single-player alternative to FLASK — playable solo, no multiplayer required. Shares Strategy with FLASK.
A PvPvE inventory management autobattler with asynchronous multiplayer! Build a team of gladiators, craft and equip powerful items, discover game-breaking synergies, and outsmart opponents with clever battleplans.
- 5
Card Collector Battle
Single-player alternative to FLASK — playable solo, no multiplayer required. Shares Strategy with FLASK.
A 2D turn-based auto-battler about collecting gods. Summon 432 guardians from Korean, Chinese, Japanese, Egyptian, Norse and Greek mythology, then fuse duplicates into the copies you own to raise their borders from silver to celestial. Your deck decides the fight.
- 6
Five More Minutes
Single-player alternative to FLASK — playable solo, no multiplayer required. Shares Strategy with FLASK.
Build your deck and strategize to defeat foes as you traverse videogame worlds. Choose between 3 unique starting genres, and combine them to create unstoppable combos! Five more minutes is a love letter to growing up with the emotional support of our best friend: videogames.
- 7
Ludaro
Single-player alternative to FLASK — playable solo, no multiplayer required. Shares Strategy with FLASK.
Ludaro is a turn-based Roguelite where the board is your battlefield. Strategically traverse ever-changing board with a unique dice system, outsmart deadly rivals, forge powerful Spirit Card combos, and bend fate as you uncover the secrets of a mysterious world and battle toward fearsome enemies.
- 8
Rock! Scissors! Please!
Single-player alternative to FLASK — playable solo, no multiplayer required. Shares Strategy with FLASK.
"Rock! Scissors! Please!" is a Balatro-like game using the rules of Rock-Paper-Scissors—seasoned. Just with a touch of heart-fluttering romance and a pinch of pain.
- 9
MineRalph
Single-player alternative to FLASK — playable solo, no multiplayer required.
Roll your way through a hard-core, high-speed, fury-inducing, nail-biting, reaction-based physics-platformer where momentum and skill is the difference between making the jump and falling to your death.