New answers tagged retro-clones
In addition to all of the above plus the simple 1 per 4 levels of the d20 OGL you might look at a game called Chronicles of Ramalar. It had a system called Demeanor and Theme which each character had four circles with 12 dots around them. A goal was written in each circle and every time the character did something to advance to that goal a dot was colored ...
Another possibility is Blood & Treasure which fits roughly in the RC space but using the three fold save system. It does a more AD&D1 style race/class mix with dual classing for humans (including half-orcs and half-elves) and multi-classing for other races.
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