Sumbo

Play Sumbo, a free online arithmetic game. Help Sumbo de juiste antwoorden te kiezen en bouw combos met snelle rekensommen.

Time 45
Score 0
Round 0/10
Best -
8+7
Choose the hidden answer

How to play

How it works: Help Sumbo by solving each quick arithmetic challenge and choosing the matching answer. Keep the robot's combo alive before the timer runs out.

Score and best result: Correct answers earn points and build a combo multiplier. Finish the round with the highest score for the selected difficulty.