←→
Run left and right
space×2×3
Jump. ×2 in the air reaches the high ledges, ×3 the highest of all — only on the starting platform
↑↓
Choose an answer when a question is open
→Enter
Answer. Answered question blocks turn green — jump into them again to change your mind
Esc
Back out of a question without answering. While playing: start again from the beginning