Single-player games like What Was That?!
Below are 8 single-player Steam games similar to What Was That?!, 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 What Was That?! page.
Ranked picks
- 1
ON&OFF
Single-player alternative to What Was That?! — playable solo, no multiplayer required. Shares Strategy and Indie with What Was That?!.
ON&OFF is a turn-based strategy game where you manipulate pieces on a grid to trigger explosive chain reactions. Toggle pieces ON to attack, defend, and heal. Read the enemy's telegraphed intents, unleash powerful skills, and master the board to survive!
- 2
Tails & Talons
Single-player alternative to What Was That?! — playable solo, no multiplayer required. Shares Strategy and Indie with What Was That?!.
The tower gets stronger. So does your hand. Every card is an attack, a spell, or both. Chain the right combo and turn a scratch into a killing blow. Play as one of a crew of furry adventurers who descend into an eldritch tower, each with their own reasons, one shared goal: reach the bottom.
- 3
天雨粟
Single-player alternative to What Was That?! — playable solo, no multiplayer required. Shares Strategy and Indie with What Was That?!.
Break glyphs into radicals, compose them into Chinese characters, and cast every word as a card. An ink-wash roguelike deckbuilder: five script styles, a three-act campaign, hanging characters that live between turns, and verse-linked combos against demons born from corrupted ink.
- 4
Pemkie Island
Single-player alternative to What Was That?! — playable solo, no multiplayer required. Shares Strategy and Indie with What Was That?!.
Pemkie Island is a monster taming RPG adventure, in a roguelite format. Travel across the 5 different regions while discovering and taming unique creatures called Pemkies. Master their traits, choose the right skills and build the best team possible to restore balance!
- 5
Oneiron Expanse
Single-player alternative to What Was That?! — playable solo, no multiplayer required. Shares Strategy and Indie with What Was That?!.
Your world is abruptly erased. Only the Oneiron Expanse remains; a Plane where your mental state evokes lethal potential. Embark on a deckbuilding odyssey where every card is a fragment of your will. Find the Dreamwright and dream your reality back into being... before your memories fade
- 6
Alegraz
Single-player alternative to What Was That?! — playable solo, no multiplayer required. Shares Strategy and Indie with What Was That?!.
In this card game, you are the creator of your own deck. Alegraz is a roguelite strategy card game where you personally shape your cards in every run. Each run progresses with a deck built entirely from scratch, driven by the choices you make along the way.
- 7
Pirate Pillage and Plunder
Single-player alternative to What Was That?! — playable solo, no multiplayer required. Shares Strategy and Indie with What Was That?!.
PIRATE PILLAGE & PLUNDER is the unique blend of card game and auto battler, wrapped together in a neat roguelike package. Choose your faction, amass an army from thousands of "willing" participants, and lead them to greatness! (or agonizing defeat)
- 8
Hunter's Moon: A Sovereign Syndicate Adventure
Single-player alternative to What Was That?! — playable solo, no multiplayer required. Shares Strategy and RPG with What Was That?!.
A Victorian Steampunk Roguelite Deckbuilder. Choose from four characters with unique cards and abilities. Customize your deck and character as you investigate a mysterious plague. Battle corrupted beasts and bosses in turn-based combat to unlock powerful relics and enchanted tarot cards.