1. Super Smash Bros. Melee/GC 2. Xenosaga (Episodes 1 and 2)/PS2 3. Kingdom Hearts (1 and 2)/PS2 4. DDR: Mario Mix/GC 5. Mario Kart DS/NDS (i know it's more than five, but 2 and 3 are a series that i love. so i count them as one game)