Mega Man Maker

[3][4] The stage builder allows users to select from 198 enemies, 107 level objects, 40 bosses, 81 special weapons, 509 backgrounds, 481 tilesets, 4 playable characters, 148 music tracks from the original Mega Man series, and additional items added by the developers.

The build mode allows players to design levels by placing tiles and enemies, setting the music, establishing the character's moveset, etc.

There is also the Wily Challenge, a mode where players can get from 1 life to 100, depending on the options provided, to play through random levels.

This update also introduced the character Roll as playable and a music changer which was previously not possible in Mega Man Maker.

The 1.8 update featured new items, as well as tiles, weapons, backgrounds, and music from Mega Man & Bass, as well as the five titles for the Game Boy.