Shows the amount of frames that you spend in the level, it also allows you to change quality, expand the size of the game window by clicking "Show All", and reset quicker by pressing "R".

Updated 11/12/2024:

The original clock has been replaced with two clocks - left clock shows the amount of in-game milliseconds that you spend in a level, the right clock shows the amount of in-game milliseconds that have passed since the last time you were in the level select menu. Credit to dimusnail for making the script for the full game clock.

Updated 11/13/2024:

Made the pause animation faster, made the key "H" able to pause.