S.U.M. - Slay Uncool Monsters
Developed by Doomster Entertainment · Published by Doomster Entertainment
At a glance
Overview
A casual, indie, free to play game by Doomster Entertainment, published by Doomster Entertainment — single-player.
Steam’s own one-line description: “In S.U.M. you'll put your Quick-Math skills to test! Fight very Uncool Monsters using Addition, Subtraction, Multiplication & Division. Level up and progress in the Campaign(s), or show your prowess in Endless Mode with Leaderboards.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for S.U.M. - Slay Uncool Monsters.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | Yes |
| Partial controller support | No |
| Steam Cloud saves | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: Intel Pentium E2200 2.2 ghz
- Memory: 4 GB RAM
- Graphics: GeForce GTX 275
- Storage: 200 MB available space
Recommended
- Requires a 64-bit processor and operating system
Supported languages (1)
S.U.M. - Slay Uncool Monsters FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is S.U.M. - Slay Uncool Monsters?
Steam classifies S.U.M. - Slay Uncool Monsters as a Casual, Indie, Free To Play game, developed by Doomster Entertainment. In S.U.M. you'll put your Quick-Math skills to test! Fight very Uncool Monsters using Addition, Subtraction, Multiplication & Division. Level up and progress in the Campaign(s), or show your prowess in Endless Mode with Leaderboards.
Is S.U.M. - Slay Uncool Monsters free to play?
Yes — Steam lists S.U.M. - Slay Uncool Monsters as Free to Play.
Is S.U.M. - Slay Uncool Monsters single-player or multiplayer?
Steam lists these modes for S.U.M. - Slay Uncool Monsters: Single-player. It lists a single-player mode.
Is S.U.M. - Slay Uncool Monsters on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists S.U.M. - Slay Uncool Monsters for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is S.U.M. - Slay Uncool Monsters out yet?
Yes — Steam lists a release date of Feb 19, 2021.
What platforms is S.U.M. - Slay Uncool Monsters on?
S.U.M. - Slay Uncool Monsters is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is S.U.M. - Slay Uncool Monsters single-player or multiplayer?
Steam lists these modes: Single-player.
How much does S.U.M. - Slay Uncool Monsters cost?
It's free to play, per Steam.
Does S.U.M. - Slay Uncool Monsters have achievements?
Yes — Steam lists 76 achievements for S.U.M. - Slay Uncool Monsters.
Who made S.U.M. - Slay Uncool Monsters?
S.U.M. - Slay Uncool Monsters is developed by Doomster Entertainment and published by Doomster Entertainment.
Where to get S.U.M. - Slay Uncool Monsters
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, Doomster Entertainment.