S.U.M. - Slay Uncool Monsters
Arithmetic puzzle game where solving equations defeats dungeon monsters
Doomster Entertainment · Released Feb 19, 2021
- Reviews
- Very Positive
- 94% of 163
- Recent reviews
- Not enough recent
- Players
- 0
- daily peak, Oct 28, 2026
- Steam Deck
- Verified
- Last update on Steam
- 2 years ago
- Dec 20, 2023
What is S.U.M. - Slay Uncool Monsters?
A free-to-play 2D puzzle game about heroes fighting monsters with math. You fill equations with available numbers to damage enemies, clearing increasingly difficult dungeons built around addition, subtraction, multiplication, division, or combinations of these operations. Character classes have special attacks, and a practice mode covers the basics.
For you if...
- +you prefer solo puzzles over multiplayer competition
- +you like retro pixel art and family-friendly games
Not for you if...
- −you want combat that does not depend on arithmetic
What players say
94% of 163 reviews are positive
Players praise the game as a way for children and adults to practice arithmetic. The most common complaint is that progressing through dungeons becomes repetitive and grind-heavy.
Screenshots and trailer
S.U.M. - Slay Uncool Monsters system requirements
Minimum: GeForce GTX 275, 4 GB RAM, 0.2 GB of disk space.
As published by the developer.
Can my PC run S.U.M. - Slay Uncool Monsters?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows 10
- Processor
- Intel Pentium E2200 2.2 ghz
- Graphics
- GeForce GTX 275
- Memory
- 4 GB RAM
- Storage
- 200 MB available space
Recommended
Requires a 64-bit processor and operating system
Does S.U.M. - Slay Uncool Monsters have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does S.U.M. - Slay Uncool Monsters run on Steam Deck?
Verified Yes, Verified by Valve: it works on Steam Deck out of the box.
- All functionality is accessible with the default controller configuration
- Shows Steam Deck controller icons
- In-game text is legible on Steam Deck
- Default graphics settings perform well on Steam Deck
PC version details
- DRM
- None declared on Steam
- Controller
- Full controller support
- Platforms
- Windows
- Achievements
- 76
- Steam features
- Cloud saves, Family Sharing
- Languages
- Text only: English.
Does S.U.M. - Slay Uncool Monsters use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam
Tags
- Education
- Free to Play
- Puzzle
- Logic
- Score Attack
- Pixel Graphics
- Family Friendly
- Casual
- Retro
- 2D
- Arcade
- Singleplayer
- Funny
- Dark Fantasy
- Indie
Recent updates
- Dec 20, 2023 · Added option for "No Timer"
- Mar 26, 2021 · Small bug fix
- Mar 24, 2021 · Smol Fix
7 DLC available.
