S.U.M. - Assassin
In S.U.M. you'll put your Quick-Math skills to test! The Assassin hits the enemies where it hurts the most.
Offers
What are keyshops?Base game (1)
This is the base game required to play this DLC. Other expansions may also be required.
DLCs (7)
About S.U.M. - Assassin
Assassin
The Assassin hits the enemies where it hurts the most. Using a 9 in your equation will double the damage of your attack.
Bonus Attack
Bonus Attack on same number in a row or column.
(Purchase also Unlocks Endless Mode)
Game details
Game details
Age ratings
Game modes
Languages
Features
S.U.M. - Assassin price history
Lowest tracked price: £0.44 (Jul 7, 2026) · current best: £0.89.
S.U.M. - Assassin reviews
100% positive reviews all-time.
S.U.M. - Assassin — frequently asked questions
Where can I buy S.U.M. - Assassin at the cheapest price?
Right now the cheapest offer for S.U.M. - Assassin is £0.89 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price S.U.M. - Assassin has ever been?
The lowest price KingsPrice has tracked for S.U.M. - Assassin is £0.44 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
How can I get S.U.M. - Assassin at a discount?
Create a free price alert on this page and KingsPrice will email you when S.U.M. - Assassin drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
- OS: Windows 10