Barbarian Roller Rally has an entry on MobyGames now, and is one of the better write-ups I've seen.

While Moon Patrol had the player jumping over craters and shooting UFOs in a lunar buggy, this game differs in that it is now piles of rocks and stalagmites the player must direct a loinclothed warrior to jump over, while decapitating unwholesome humanoid monsters with single thwacks of his mighty sword... all the while zipping along in a pair of retro '80s roller skates. (Aw, not that hoary old cliche again!)

Read the Whole Thing