Link Steam
indiegame.fan
S.U.M. - Slay Uncool Monsters header art

S.U.M. - Slay Uncool Monsters

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.

Steam Page
Developer
Doomster Entertainment
Publisher
Doomster Entertainment
Release
February 19, 2021
5 years and 165 days ago
Steam Reviews
Very Positive148 reviews93.9%

Does this feel indie?

Vote based on whether this game feels indie to you. You can change your vote at any time. Results earn an IGF score after 10 accepted votes.
No votes yet
Vote on More Games
Game contextLatest: IGF Team
ContextThe evidence factors used to assess whether this game belongs on IndieGame.Fan.Status
Notes
Latest Contributor: IGF TeamEdit notes
Updated: Jul 11, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 11, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 11, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is S.U.M. - Slay Uncool Monsters and Doomster Entertainment funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for S.U.M. - Slay Uncool Monsters and Doomster Entertainment?Creative controlWho appears to retain creative control of the game.
Updated: Jul 11, 2026Release statusWhether and how the game has been released.

Media

9 items

About the Game


In S.U.M. you play as various Heroes in a world filled with Uncool Monsters. Your task is to fight these Monster by using Math. There are plenty of Dungeons that needs to be cleared and they get harder and harder!


Each Dungeon will challenge you with Addition, Subtraction, Multiplication, Division or a combination of those Operators.
A monster will provide you with a sum, your task is to fill the equation with the correct numbers at your disposal.



You'll also perform Special Attacks, depending on your character class, that deals additional damage when setup right. This gives each battle an extra layer of tactics. Plan ahead and you'll beat the toughest of enemies!

Do you think you are up for the challenge? Think twice before heading into the harder Dungeons, they do get tricky!
Are you a beginner with Math? No worries! There's Practice Mode to learn the basics!



The game is Free To Play with optional DLC Characters and Worlds.

"See you in the Dungeons, you vanquisher of the uncool!"
Puts on sunglasses. Rolls off into the sunset on heelys.. ~Doom

Indie Game Fan