Here is a hack for Ghosts'N Goblins for the NES system which changes the level layouts and adds some difficulty to the game.
Ghosts'n Goblins (USA).nes - NOINTRO
CRC32: 87ED54AA
MD5: 6DD3872FFF67B4F324A740AA87AC2B93
SHA-1: 8DE81D363E11CECB570A9D18237F7B56B2B659DB
SHA-256: FBD02D2C92B623E23B08CD56C4A1960CBE2D3A24314A7A086A9E5688E1DECD08