I haven't seen this one done yet. So I took a crack at it... does this list look good to you guys?
"Note:If you add something, you have to drop something else!"
TOP 20 GBA GAMES
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Advance Wars
Castlevania: Circle of the Moon
Castlevania: Harmony of Dissonance
Chu Chu Rocket
Crash Bandicoot Advance
Golden Sun
Gradius Galaxies (Advance)
King of Fighters EX 2: Howling Blood
Konami Krazy Racers
Legend of Zelda: A Link to the Past
Lord of the Rings: The Two Towers
Mario Kart: Super Circuit
Metroid Fusion
Sonic Advance
Super Mario World
Street Fighter Alpha 3
Tactics Ogre: The Knight of Lodis
Tony Hawk's Pro Skater 2
V-Rally III
Yoshis Island (Super Mario Advance 3)