Pac-Man World 3

Pac-Man World 3 is the third game in the Pac-Man World series and the only one in the trilogy that was not released in Japan. It also marks the 25th anniversary of the Pac-Man arcade game. This game features more fighting and more melee combat than the first two Pac-Man World games. It also features a speaking Pac-Man for the first time.

Elevator
The elevator in level 4 that unlocks the second platform to reach the first siphon will not run properly with HLE. It will allow you to go down, but will not allow you to go back up. If you use LLE, it works perfectly.

Audio Plays at 2/3 Speed
Audio plays at 2/3 appropriate speed with HLE. Use LLE for accurate sound. Refer.