B-Doings also reappear but now only serve to launch Pac-Man into a single predetermined direction, and Pac-Dot Chains are now generated by machines that are activated using crystals with the same color. New moves include punching, as well as acrobatic moves with poles, such as swinging and climbing. Rev-Rolling can also activate machines and allow Pac-Man to call Pinky and Clyde through a Summon Point. The Rev-Roll is mostly the same, but can now be stopped before launching Pac-Man by pressing the jump button. The Butt-Bounce move is now modified so that it can only be done three times at once, but the third bounce creates a small shockwave that slightly extends the radius of the attack. Additionally, there are 5 Pac-Man 25th Anniversary Statues in each level, which each grant the player 2500 points and award a bonus if all 5 statues are collected.

Pellets and fruit reappear, allowing the player to eat them for points. The game features numerous differences from the previous Pac-Man World games, placing an emphasis on action and combat while still preserving most of the platforming elements from the previous entries. Now Pac-Man must join forces with the ghosts, Orson, Pinky, and Clyde (Blinky) to stop Erwin before he destroys both the Real World and the Spectral Realm. Pac-Man is attacked by fiery Spectral monsters of the orange, green, and purple varieties which have been driven mad by Erwin's hypnosis with Inky and Blinky (Clyde) have been kidnapped as part of Erwin's evil scheme, but Pinky and Clyde (Blinky) managed to escape. Orson communicates to him and tells him about the Spectral Realm (after Pac-Man complains to Orson about messing up his party and throwing him into a trash pit). Meanwhile, Pac-Man is celebrating his 25th birthday with his family when he is teleported by Orson, a former nemesis of Pac-Man from the original Pac-Man World. This is causing the Spectral Realm to collapse into the real world (Pac-Land), bringing about an environmental catastrophe. He has created a syphon that can penetrate into the Spectral Realm. In a search for power, a short evil genius called Erwin has found a way to suck raw energy out of the world of the Ghosts (the Spectral Realm).

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