Push the i.press/start button. Now you can choose which game you want to play. Repeatedly push i.press/start until the game you want is highlighted, then activate the i.pull switch to select that game.
1) i.play - single player game
2) i.play base - single player game that deactivates the high switches
3) i.match - multi player game
4) i.match base - multi player game that deactivates the high switches.