For every hour of game time, you'll earn one additional credit (continue). Initially, you'll start off with only three credits. Once you've earned nine credits, you'll unlock infinite credits after that.
Complete a level on hard difficulty, and you'll unlock that level in practice mode.
Know Something We Don't?
You can submit new cheats for this game and help our users gain an edge.
Have We Been Fooled?
You can submit a problem report for any non-working or fake code in the lists above.