Hey Arnold! The Movie Codes -

Play as Helga:
Press Up, Down, Right, Left(2), Right, Down, Up, Select at the map screen

Level	Password
1-2	mQJB0Cgxg
1-3	Vfcc#z>X-
1-4	&BtrYyly7
2-1	x6SMLJvcG
2-2	n5Gycvd5t
2-3	wfNGVylPs
2-4	ZN+!36QY.
3-1	Qw5YS6?pD
3-2	s:Ky2zd0t
3-3	+Xm<qB28l
3-4	5Kk9?r46B
4-1	>1WfSP%XN
4-2	m!sllSk+j
4-3	LjPK00GSf
4-4	4D87Rl0MC
5-1	c1jnpQ%-N
5-2	w&xKCW>mv
5-3	7D8qYmM6C
5-4	fXc-bz1Sl