Maniac Mansion is a point-and-click graphic adventure game by LucasArts in 1987. It was ported into the Nintendo Entertainment System by Jaleco in 1991.

This game is about the Edison family: Dr. Fred, a mad scientist, Nurse Edna, the wife of Fred, and their son Weird Ed.

This is a Mapper Conversion hack for Maniac Mansion ROM from MMC1 to MMC5.

Features:

[list]
[li] Expansion RAM ($5C00-$5FFF, read/write)[/li]
[li] CPU $6000-$7FFF: 8 KB switchable PRG RAM bank[/li]
[li] Bank switching included. Readme file for more info.[/li]
[li] Extended RAM mode ($5104)[/li]
[/list]

Note: The author has tested most of the emulators but doesn’t work well with Nintendulator, RockNES, and VirtuaNES.

Now works with BizHawk and Mesen.

Database match: Maniac Mansion (USA)
Database: No-Intro: Nintendo Entertainment System (v. 20180803-121122)
File SHA-1: 7317D1F1096B57F6AB8F3001BCDD35665C291B1A
File CRC32: 68309D06
ROM SHA-1: 8A8BBECC77FDF59826257754F357D38A7F825971
ROM CRC32: D9F5BD1