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There are 16 levels in total (which 2 of them are nothing but lives)
Nü = 6 lvls (the sixth one gives you 3 lives)
Lambda = 7 lvls (the seventh gives you 3 lives)
Delta = 3 lvls (the last one is the final boss)
Movement = Left/Right Arrows
Jump = Up arrow
There are other things that you will use but the game itself tells you everything.