Super HTML5 Bros (v0.11)

Controls:

Mario:
W or Up Arrow Key (Jump)
A or Left Arrow Key (Left)
D or Right Arrow Key (Right)
S or Down Arrow Key (Duck)
Z (Fireballs/Run)

Luigi:
I Key (Jump)
J Key (Left)
L Key (Right)
K (Duck)
; (Fireballs/Run)