Games like Grumpy Gumphrey: Supersleuth (CPC/Spectrum)
Games like Grumpy Gumphrey: Supersleuth (CPC/Spectrum) include Shovel Knight: Treasure Trove, UFO 50, SANABI, Terraria, and Five Nights at Freddy's: Into the Pit. We matched them by the tags players give Grumpy Gumphrey: Supersleuth (CPC/Spectrum) on Steam (Retro, Pixel Graphics, Action, Adventure, and Exploration): closest matches first, and among equally close ones the better-known games.

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Retro · Adventure

UFO 50
Shared: Pixel Graphics · Retro · Action

SANABI
Shared: Pixel Graphics · Action · Adventure

Terraria
Shared: Pixel Graphics · Adventure · 2D

Five Nights at Freddy's: Into the Pit
Shared: Pixel Graphics · Adventure · Exploration

Sonic Origins
Shared: Action · Retro · Adventure

Broforce
Shared: Pixel Graphics · Action · 2D

Sonic Mania
Shared: Retro · Pixel Graphics · 2D

DAVE THE DIVER
Shared: Pixel Graphics · Adventure · Exploration

Dungeon Munchies
Shared: Pixel Graphics · Action · Adventure

Kung Fury: Street Rage - Ultimate Edition
Shared: Retro · Action · Arcade

Hotline Miami
Shared: Action · Pixel Graphics · Retro

Exit the Gungeon
Shared: Action · Adventure · Pixel Graphics

Bloodstained: Curse of the Moon
Shared: Pixel Graphics · Retro · Action

Narita Boy
Shared: Retro · Action · Adventure

Crossing Souls
Shared: Pixel Graphics · Adventure · Action

Dead Cells
Shared: Adventure · Pixel Graphics · 2D

Gato Roboto
Shared: Action · Pixel Graphics · Adventure

The Messenger
Shared: Retro · Pixel Graphics · Action

Hotline Miami 2: Wrong Number
Shared: Pixel Graphics · Action · Retro

Retro City Rampage™ DX
Shared: Retro · Action · Pixel Graphics

Bud Spencer & Terence Hill - Slaps And Beans
Shared: Pixel Graphics · Action · Retro

UnMetal
Shared: Pixel Graphics · Action · Retro

The friends of Ringo Ishikawa
Shared: Pixel Graphics · Action · Retro