Games like Dickland: Horror Quest
Games like Dickland: Horror Quest include Deponia, Thank Goodness You're Here!, Portal 2, South Park™: The Stick of Truth™, and Night in the Woods. We matched them by the tags players give Dickland: Horror Quest on Steam (Dark Humor, Adventure, Comedy, Dark, and Cartoony): closest matches first, and among equally close ones the better-known games.

Deponia
Shared: Adventure · Comedy · Puzzle

Thank Goodness You're Here!
Shared: Adventure · Comedy · Hand-drawn

Portal 2
Shared: Dark Humor · Puzzle · Platformer

South Park™: The Stick of Truth™
Shared: Adventure · Comedy · Dark Humor

Night in the Woods
Shared: Adventure · Dark Humor · Stylized

LIMBO
Shared: Dark · Puzzle · Adventure

Little Nightmares
Shared: Adventure · Dark · Puzzle

Kindergarten 2
Shared: Adventure · Dark Humor · Comedy

Little Nightmares II
Shared: Adventure · Dark · Puzzle

The Cave
Shared: Adventure · Comedy · Puzzle

Little Inferno
Shared: Comedy · Puzzle · Dark Humor

Chaos on Deponia
Shared: Adventure · Comedy · Puzzle

Return to Monkey Island
Shared: Adventure · Comedy · Puzzle

Anna's Quest
Shared: Adventure · Dark Humor · Dark

Edna & Harvey: Harvey's New Eyes
Shared: Adventure · Dark Humor · Comedy

There Is No Game: Wrong Dimension
Shared: Adventure · Puzzle · Comedy

Reventure
Shared: Adventure · Comedy · Dark Humor

Sally Face - Episode One
Shared: Dark · Adventure · Puzzle

Edna & Harvey: The Breakout
Shared: Adventure · Comedy · Dark Humor

Gorogoa
Shared: Puzzle · Hand-drawn · Adventure

South Park™: The Fractured But Whole™
Shared: Dark Humor · Comedy · Adventure

Life Goes On: Done to Death
Shared: Dark Humor · Comedy · Puzzle

Seen
Shared: Adventure · Dark · Puzzle

Chants of Sennaar
Shared: Adventure · Puzzle · Stylized