there is a secret fifth box in the end.
dumb dumb
████████╗ ██╗░░██╗ ██╗ ░█████╗░ ░█████╗░
╚══██╔══╝ ██║░░██║ ██║ ██╔══██╗ ██╔══██╗
░░░██║░░░ ███████║ ██║ ██║░░╚═╝ ██║░░╚═╝
░░░██║░░░ ██╔══██║ ██║ ██║░░██╗ ██║░░██╗
░░░██║░░░ ██║░░██║ ██║ ╚█████╔╝ ╚█████╔╝
░░░╚═╝░░░ ╚═╝░░╚═╝ ╚═╝ ░╚════╝░ ░╚════╝ also, on lvl 15 when i jump out, the game explodes with squares