Petko sa pyta pani ucitelky: Pani ucitelka, neviete, co to je: Ma to osem noh, zelene oci a zlty chrbat? Neviem. - odveti ucitelka. Ani ja, ale prave vam to lozi po ramene!
If you press L1, L2, R1 and R2 at the same time, you will skip levels. When you encounter a boss, this cheat will not kill him, just open the doors to the next level.