About Pipeline Pete

Hop a chubby plumber through leaky sewer pipes, bopping critters and grabbing gears before the clock runs out.

On a computer: Arrow keys or A/D to move, Space to jump, Down to crouch into pipes
On a phone: Left/right thumb buttons, tap jump button, swipe down to crouch

Guillaume described this game in a sentence on OhMyGames and the AI built it. You can make your own the same way, free to start.