Additional time
Pause the game and type "echo".

Bosco, the land-shark
Pause the game and type "land".

Five extra lives
Pause the game and type "mana".

Free magnet
Pause the game and type "onyack".

More power
Pause the game and type "ride".

Laser cannon
Pause the game and type "srv".

Advance to next tier
Pause the game and type "icenine". (Note: The balls you have collected will be removed.)

Glass ball
Pause the game and type "circles".

Ooze ball
Pause the game and type "cuniberti".

Nuclear ball
Pause the game and type "plat".

Sentry ball
Pause the game and type "optic".