Games like Landlord Quest
Games like Landlord Quest include Day of the Tentacle Remastered, There Is No Game: Wrong Dimension, Thimbleweed Park™, Five Nights at Freddy's: Into the Pit, and Return to Monkey Island. We matched them by the tags players give Landlord Quest on Steam (Adventure, Point & Click, 2D, Cartoony, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Day of the Tentacle Remastered
Shared: Adventure · Point & Click · Cartoony

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

Thimbleweed Park™
Shared: Adventure · Point & Click · Pixel Graphics

Five Nights at Freddy's: Into the Pit
Shared: Adventure · 2D · Pixel Graphics

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

Reventure
Shared: Adventure · Pixel Graphics · 2D

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

The Curse of Monkey Island
Shared: Point & Click · Adventure · 1990's

Monkey Island™ 2 Special Edition: LeChuck’s Revenge™
Shared: Adventure · Point & Click · Comedy

Deponia
Shared: Adventure · Point & Click · Comedy

The Rewinder
Shared: Adventure · Pixel Graphics · 2D

Papers, Please
Shared: Point & Click · Pixel Graphics · 2D

The Darkside Detective
Shared: Point & Click · Adventure · Pixel Graphics

McPixel 3
Shared: Adventure · Point & Click · Pixel Graphics

The Henry Stickmin Collection
Shared: Point & Click · Comedy · Multiple Endings

South Park™: The Stick of Truth™
Shared: Adventure · Comedy · 2D

McPixel
Shared: Point & Click · Adventure · Comedy

Dead Cells
Shared: Adventure · 2D · Pixel Graphics

Terraria
Shared: 2D · Adventure · Pixel Graphics

Storyteller
Shared: Point & Click · Adventure · 2D

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

Cleo - a pirate's tale
Shared: Adventure · Point & Click · 2D

Pizza Tower
Shared: Cartoony · Pixel Graphics · 2D

Undertale
Shared: Pixel Graphics · 2D · Multiple Endings