Adders Arithmetic Game
I want to try for a high score.
This is the starting speed of the game. Eventually, the game speeds up, so if you play long enough, you'll end up playing at ludicrous speed, or even faster!
Specify the type of problem which the player will have to solve.
Touch controls are arrows on the display which can be used to control the adder's movement. If Auto is selected, the site will attempt to guess whether you are using a touch device, and behave accordingly.
Click here to learn about player ratings.
Game background image?
Choose from a variety of background pictures and designs for your games. You can also change this option while you are playing by clicking on the gear icon in the lower right corner.
Begin the game
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