Hint :
Unlock Stone Cold:
Start the Season Mode and when you finish BackLash, Stone Cold will be available.
Unlock Shawn Micheals:
Start the Season Mode and when you finish Judgement Day, Shawn Micheals will be available.
Doing double team moves:
First start a tag team match. During the match, Irish whip your opponent to the turnbuckle that is near your partner. Next, go to your opponent and and stand right in front of him. Press any directional button and grapple. You will tag your partner and do a double team move.