Right number = grow · Wrong = lose a life
Eat the right number to grow. A wrong answer costs a life; the default is instant death.
Arrow keys / WASD / swipe / buttons · Go starts · Space or Pause stops movement temporarily
Choose how many questions to practise. We pick that many from this topic’s 19 questions, then repeat them in a fresh random order. The game continues until your snake dies. Changing the question pool, border, speed or answer lives starts a new run.
Saved on this browser, not shared across students. Separate rankings for each question pool size, border, speed and answer-life setting. Each name keeps its longest snake.