Phantasy Star Online Episode III: C.A.R.D. Revolution
Have Save Game Files from the following games on your memory card, then go to the Trading Machine and select "Search Event Files" to get the cards:
||Beat Card, Sonic Knuckle Card, and Halloween Rappy Card
|PSO Episode 1 & 2
||Nano Dragon Card
|Sonic Mega Collection
||Madam's Umbrella Card
|Sonic Adventure 2 Battle
|Sonic Adventure DX
Spawn a Chair in Online Lobbies:
When you are in an online lobby, press either X + A or X + B. Press A to move forward and B to get out of it.
Thanks to Revolution readers Amarth, viking_lord, and D-nells!