All 50 games

Free to play

Sum Stack

Chain quick addition prompts into a clean one-minute score.

Style
Numbers
Run time
45 seconds
Input
Touch + keyboard
NUMBERS LABREADYING

Sum Stack

Chain quick addition prompts into a clean one-minute score.

Preparing your run…

How to play

Three steps. That’s it.

  1. 01

    Solve the addition displayed above the stack.

  2. 02

    Submit correct totals to add blocks and recover from mistakes.

  3. 03

    Finish the run, then replay to improve the score shown in the cabinet.

Keep playing

NumbersNumber Drop NumbersMinus Minute NumbersTimes Dash NumbersEquation Gap