Small fork of the Black Castle repo with reduced game builds that fit onto non-MBC 32K carts, in particular for the Mega Duck.
Some level data is removed (2nd and 3d sets) along with changing most graphical data to compressed.
Black Castle: Game Boy game by 0x7f
Author: https://twitter.com/User0x7f
Original topic on GBDev forum: https://gbdev.gg8.se/forums/viewtopic.php?id=743