The dialogue at the beginning of the game explains how the game works (It is not a story). If you don't want to read it I'll sum it up for you :
- The container in the center has to be reset before its timer runs out
- You can't let more than 3 tentacles to be present on the screen at any time
- Whenever the sides of the screen become purple, you have to spam the Q button in order to use a medicine and remove the debuffs
- You can replenish your ammo in the bottom right corner, and the medicines in the bottom left corner
- E - Interact ; M1 - Shoot; Q (Spam) - Medicine; W,A,S,D - Move
I hope this sums it up pretty well, thank you for at least trying my game!