Turns on your character's own invincible flag while on; turning it off puts it back. In local co-op it acts on the player the game updated last.

Keeps your health at your max health while on.

Turns on your character's own ignore-knockback flag while on, so hits no longer push you back; turning it off puts it back.

Sets the dash cooldown to 0 while on, so you can dash again straight away; turning it off puts the cooldown back.

Shows your movement speed, dash speed and extra dashes, and sets them to what you type. Turn it on to read them; they show once you are playing.

Sets an enemy's health to 0 when its health bar updates, so one hit kills it.

Shows your currency and sets it to what you type. Turn it on to read it; it shows once the game has read your currency (open a shop or the upgrade screen once).

Shows your health, max health, lives and max lives, and sets them to what you type. Turn it on to read them; they show once you are playing.