"A fantasy d20-themed dungeon crawler", to quote DarkGod's comment. Inspired by Incursion by Julian Mensch. Made available under Open Game License. This is a non-profit fan project. No money is made. There are currently only two people working on the mod. However, we have released several beta versions so far.
This guy is unlikely to ever be a cleric... The character creation screen now color-codes both high and low stats and really bad choices (spellcasting classes who wouldn't be able to cast ANY spells).