Cognito Mode:
To unlock Cognito Mode finish all the puzzles in Puzzle mode. It is okay to look at hints constantly to solve all the puzzles. Cognito Mode is basically Puzzle Mode with no hints.
Finity mode:
Complete 280 levels in Endless mode.
Hyper mode:
Complete 8 levels in Action mode.
Twilight mode:
Complete 17 levels in Classic mode.
