Games like Hampy's Great Adventure
Games like Hampy's Great Adventure include Peggle Deluxe, Zuma Deluxe, Zup! S, Unpacking, and Progressbar95. We matched them by the tags players give Hampy's Great Adventure on Steam (Casual, Arcade, Puzzle, Collectathon, and 2D): closest matches first, and among equally close ones the better-known games.

Peggle Deluxe
Shared: Casual · Arcade · Puzzle

Zuma Deluxe
Shared: Arcade · Puzzle · Casual

Zup! S
Shared: Casual · Puzzle · 2D

Unpacking
Shared: Casual · Cute · Puzzle

Progressbar95
Shared: Casual · Arcade · Puzzle

Vampire Survivors
Shared: 2D · Pixel Graphics · Casual

Baba Is You
Shared: Puzzle · Cute · Pixel Graphics

Zup!
Shared: Casual · Puzzle · 2D

To The Core
Shared: Casual · Arcade · 2D

Proverbs
Shared: Casual · Puzzle · Collectathon

World of Goo
Shared: Puzzle · Casual · 2D

Zup! 2
Shared: Casual · Puzzle · 2D

DJMAX RESPECT V
Shared: Casual · Cute · 2D

OneShot
Shared: Pixel Graphics · Puzzle · Cute

Razortron 2000
Shared: Casual · Arcade · 2D

Zup! F
Shared: Casual · Puzzle · 2D

Donut County
Shared: Casual · Puzzle · Cute

Zup! X
Shared: Casual · Puzzle · 2D

Shelldiver
Shared: Casual · Arcade · 2D

RetroMaze
Shared: Casual · Puzzle · 2D

Cat Goes Fishing
Shared: 2D · Casual · Cute

Zup! 3
Shared: Casual · Puzzle · 2D

Timberman
Shared: Casual · Pixel Graphics · Arcade

Is This Seat Taken?
Shared: Casual · Puzzle · Cute