Games like Delirium
Games like Delirium include There Is No Game: Wrong Dimension, Deponia, Broken Age, Return to Monkey Island, and Deponia: The Complete Journey. We matched them by the tags players give Delirium on Steam (Point & Click, Adventure, Comedy, Puzzle, and Funny): closest matches first, and among equally close ones the better-known games.

There Is No Game: Wrong Dimension
Shared: Point & Click · Adventure · Puzzle

Deponia
Shared: Point & Click · Adventure · Comedy

Broken Age
Shared: Point & Click · Adventure · Comedy

Return to Monkey Island
Shared: Point & Click · Adventure · Comedy

Deponia: The Complete Journey
Shared: Point & Click · Adventure · Comedy

Chaos on Deponia
Shared: Point & Click · Adventure · Comedy

Edna & Harvey: Harvey's New Eyes
Shared: Point & Click · Adventure · Comedy

Edna & Harvey: The Breakout
Shared: Point & Click · Adventure · Comedy

Deponia Doomsday
Shared: Point & Click · Adventure · Comedy

Goodbye Deponia
Shared: Point & Click · Adventure · Comedy

McPixel
Shared: Point & Click · Comedy · Adventure

Thimbleweed Park™
Shared: Point & Click · Adventure · Puzzle

The Secret of Monkey Island: Special Edition
Shared: Point & Click · Adventure · Comedy

Randal's Monday
Shared: Point & Click · Adventure · Comedy

The Henry Stickmin Collection
Shared: Funny · Comedy · Point & Click

Sam & Max Save the World
Shared: Point & Click · Adventure · Comedy

Anna's Quest
Shared: Point & Click · Adventure · Female Protagonist

Chants of Sennaar
Shared: Adventure · Puzzle · Point & Click

Lil' Guardsman
Shared: Point & Click · Adventure · Comedy

Neighbours back From Hell
Shared: Point & Click · Puzzle · Comedy

Portal 2
Shared: Puzzle · Singleplayer · Funny

Dude, Stop
Shared: Puzzle · Comedy · Funny

Lost in Play
Shared: Point & Click · Puzzle · Funny

Fran Bow
Shared: Point & Click · Puzzle · Adventure