Games like Mr. Pumpkin Adventure
Games like Mr. Pumpkin Adventure include Machinarium, There Is No Game: Wrong Dimension, The Tiny Bang Story, OneShot, and Turnip Boy Commits Tax Evasion. We matched them by the tags players give Mr. Pumpkin Adventure on Steam (Exploration, Hidden Object, Puzzle, Point & Click, and 2D): closest matches first, and among equally close ones the better-known games.

Machinarium
Shared: Puzzle · Point & Click · 2D

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

The Tiny Bang Story
Shared: Puzzle · Point & Click · 2D

OneShot
Shared: Puzzle · Cute · Story Rich

Turnip Boy Commits Tax Evasion
Shared: Exploration · Puzzle · Cute

Deponia
Shared: Point & Click · Puzzle · Funny

Lost in Play
Shared: Puzzle · Point & Click · 2D

Hidden Folks
Shared: Hidden Object · Puzzle · Point & Click

Lost and Found Co.
Shared: Hidden Object · Point & Click · 2D

The Room 4: Old Sins
Shared: Puzzle · Point & Click · Hidden Object

The House of Da Vinci
Shared: Hidden Object · Puzzle · Exploration

The Room
Shared: Puzzle · Point & Click · Hidden Object

Milo and the Magpies
Shared: Hidden Object · Point & Click · Exploration

Botanicula
Shared: Exploration · Point & Click · Funny

Tangle Tower
Shared: Exploration · Puzzle · Point & Click

When The Past Was Around
Shared: Hidden Object · Cute · 2D

The Room Two
Shared: Puzzle · Point & Click · Hidden Object

Carto
Shared: Exploration · Puzzle · Cute

Birth
Shared: Puzzle · Point & Click · Hidden Object

Return to Monkey Island
Shared: Point & Click · Puzzle · Funny

Hidden Through Time
Shared: Hidden Object · Puzzle · Point & Click

Rusty Lake Paradise
Shared: Puzzle · Point & Click · 2D

Deponia: The Complete Journey
Shared: Point & Click · Puzzle · 2D

TOEM: A Photo Adventure
Shared: Puzzle · Exploration · Cute