Shh, it's a secret.
Collect all the Hypnodiscs. - Thrillville: Off the Rails
Achieve a combined park value of $100,000 - Thrillville: Off the Rails
Get a 60 note combo in the entertainer mini game. - Thrillville: Off the Rails
710/2,348435/1,00022/50
3,760/6,1491,275/1,85060/76
2,104/2,1041,000/1,00040/40