Goldeneye: Pyramid and Stock (I think that's the name) were my favorite. Lots of fun places to hide proximity mines
Melee: Final Destination and Battlefield, simple yet so great.
Brawl: Smashville and delphino plaza both seem to work really well.
Halo: Blood gulch was so awesome.
America's Army had an awesome bridge level, really good balance I felt.
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1Co 1:20 Where is the wise? where is the scribe? where is the disputer of this world? hath not God made foolish the wisdom of this world?
Of my weaknesses I'm desperately aware. Do I even dare to repent again? Why (would you) endure the pain?