Hypermode is a state your character enters when the Hypermode bar (the large bottom left bar) is completely filled, and is shown by a coloured aura around your character. You choose which hypermode you want at the character select screen.
Your character also gains access to an EX Move, done by pressing S while in Hypermode.
There are 2 types of Hypermode in Higurashi Daybreak, 3 in the DX Version. The original hypermodes are:
The DX Version introduced another hypermode: