SUM
Why this verdict
Offers
Accepted regional prices from official stores
Report a wrong price
About this game
What this game is, in the developer's words
This is a calm yet immersive puzzle-centered platformer, well-suited for players who enjoy mechanical interactions and solving puzzles. It allows you to experience the fun of discovering and overcoming challenges without the pressure of combat.
As you explore, you'll need to observe environmental clues and decide which card to play at the right moment. The design encourages trial, error, and clever sequencing. The experience is enhanced by atmospheric pixel art visuals and subtle jazz-themed soundscapes, immersing you in a world that feels both stylish and mysterious.
There are no enemies, no health bars — just you, your deck, and your mind.
✨ Key Features
Card-Based Mechanics: Solve puzzles by playing different cards with unique effects.
Tactical Puzzle Solving: Timing and order of card usage matter in every room.
Stylish Presentation: Crisp pixel art with moody lighting and jazz bar aesthetics.
Combat-Free Exploration: No fighting — just puzzles, logic, and experimentation.
Replay Value: Optional time trials and randomized card draws offer varied experiences.
🎮 Gameplay Feel
Think of it as a mix between Baba Is You and Slay the Spire, but in a 2D side-scrolling format. You’re not just jumping — you’re managing your deck and applying cards like tools to progress through a carefully constructed puzzle world.
If you enjoy clever mechanics, elegant puzzles, and relaxed, thought-provoking gameplay, this game delivers a refreshing twist on the puzzle platformer genre.
Media
Trailers and screenshots straight from the store page
Price intelligence
Accepted price history and the lows that matter
No price history recorded yet.
No history yet.
SUM price history and best deals
SUM for PC currently sells from free at authorized stores.
Frequently asked questions
Answered from this game's own price and edition data
Where can I buy SUM?



