Abadox Game System: Nintendo System Cheat Category: Cheat Game Company: Unknown Game Category: Unknown Hint, Cheat, Walkthrough:   Abadox ====== =>Stage Select: On the credits screen, press L U R D U R L D and then press the following: U - Stage 2 R - Stage 5 L - Stage 3 SELECT - Stage 6 D - Stage 4 B - Stage 7 =>Invincibility: On the Credits screen, press A A U B B D A B START =>End Of Game: When the PRESS START message appears, press A A U B B D A B B START