Hidden characters...
	Various Steam Achievements...

On the character select screen, enter the following commands.

Effect	Code
Play as Shadow	Up Down Left Right Up Down Left Right.
Play as Towerfall (blue)	Up Up Down Down Left Left Right Right.
Play as Towerfall (green)	Up Up Right Right Down Down Left Left.
Play as Towerfall (red)	Up Up Left Left Down Down Right Right.

Achievement	How to unlock
Dammit, Rami.	Trying to break the game by destroying all the bamboo.
Dishonorable Death(s)	You display an affinity for offing yourself.
No Mercy	The heads of five samurai hang at your belt.
One With Water	You drowned.
Statue Stance	You dispose your foes without moving.