Castle of the Winds
From PCGamingWiki, the wiki about fixing PC games
Castle of the Winds is a roguelike/dungeon-crawl game developed by Rick Saada and published by Epic Megagames in 1989 for Windows 3.x.
It is available free from the creator's website.
Custom Character Graphics
You can use a customized character graphic. Simply make an icon with the dimensions 32x32 and save it in 16 colors.