Games like Part-Time Pandemonium
Games like Part-Time Pandemonium include Momodora: Reverie Under The Moonlight, SANABI, Anomaly Agent, Afterimage, and Prince of Persia The Lost Crown. We matched them by the tags players give Part-Time Pandemonium on Steam (Exploration, Side Scroller, 2D Platformer, Platformer, and Action): closest matches first, and among equally close ones the better-known games.

Momodora: Reverie Under The Moonlight
Shared: Side Scroller · 2D Platformer · Exploration

SANABI
Shared: 2D Platformer · Action · Adventure

Anomaly Agent
Shared: Side Scroller · 2D Platformer · Platformer

Afterimage
Shared: 2D Platformer · Side Scroller · Exploration

Prince of Persia The Lost Crown
Shared: Exploration · 2D Platformer · Side Scroller

Tomb Raider Game of the Year
Shared: Action · Adventure · Exploration

Touhou Luna Nights
Shared: Side Scroller · Exploration · Platformer

Thank Goodness You're Here!
Shared: Exploration · Adventure · 2D Platformer

Rise of the Tomb Raider™
Shared: Action · Exploration · Adventure

F.I.S.T.: Forged In Shadow Torch
Shared: Platformer · Action · 2D Platformer

Celeste
Shared: Platformer · 2D Platformer · Female Protagonist

Bloodstained: Ritual of the Night
Shared: Action · Side Scroller · Female Protagonist

Dungeon Munchies
Shared: Action · Adventure · Exploration

Pizza Tower
Shared: 2D Platformer · Platformer · Funny

Ori and the Will of the Wisps
Shared: Platformer · Action · Exploration

Rabi-Ribi
Shared: Exploration · Side Scroller · Female Protagonist

Broforce
Shared: Action · Platformer · Side Scroller

ICEY
Shared: Action · Side Scroller · Female Protagonist

Castlevania: Belmont's Curse
Shared: 2D Platformer · Action · Platformer

Hollow Knight
Shared: Platformer · Exploration · Adventure

Webbed
Shared: 2D Platformer · Exploration · Platformer

Timespinner
Shared: Side Scroller · Exploration · 2D Platformer

Hollow Knight: Silksong
Shared: Exploration · Platformer · Indie

9 Years of Shadows
Shared: Side Scroller · Platformer · Exploration