Title Test Effect Tennage Mutant Ninja Turtles (J) CHR ROM CRC test Warning screen instead level number screen (didn't tested further) Teename Mutant Ninja Turtles 2 (J) Teename Mutant Ninja Turtles III (U) CHR "(c)" symbol test Enemy damage reduced twice, player damage doubled, immortal Shredder, disabled cheats! "(c) konami" title test Teename Mutant Ninja Turtles TF (U) "(c) konami" title test Infinite Shredder fight Tiny Toon Adventures (J) CHR ROM CRC test Wrap to level 0 after beating last level Parodius da! (J) CHR ROM CRC test Infinite first level Zen Intergalactic Ninja (U) "(c) 1993 k" title test Player damage doubled, (didn't tested further) Crisis Force (J) "(c)" title test Not tested Bucky O'Hare (J) "IMANOK 1991" rom test Enables HARD mode (one touch death) opcodes for checking string ;) Yume Penguin Monogatari (J) "(c) KONAMI 1991" rom test Totally different game parameters and player characteristics opcodes for checking string from another data arrays! CHR bank 0x56 with konami font Akumajou Special - Boku Dracula-kun (J) CHR data check partially Disables enemies since second level Two bytes in ROM Gun Gight (J) Title copyright text Enables "one-touch" death mode CHR data opcodes for check title string Laser Invasion (J) Title copyright text one-touch death mode disabled, but all check performs CHR data opcodes for check title string