Games like Contingency Artbook
Games like Contingency Artbook include Where Winds Meet, Aimlabs, SuchArt: Creative Space, VRChat, and Wobbly Life. We matched them by the tags players give Contingency Artbook on Steam (Adventure, Free to Play, Indie, Casual, and Simulation): closest matches first, and among equally close ones the better-known games.

Where Winds Meet
Shared: Free to Play · Adventure · Indie

Aimlabs
Shared: Free to Play · Simulation · Adventure

SuchArt: Creative Space
Shared: Free to Play · Simulation · Adventure

VRChat
Shared: Free to Play · Adventure · Simulation

Wobbly Life
Shared: Adventure · Simulation · Casual

The Sims™ 4
Shared: Free to Play · Simulation · Casual

Transformice
Shared: Free to Play · Casual · Adventure

Chained Together
Shared: Adventure · Casual · Simulation

Idle Champions of the Forgotten Realms
Shared: Free to Play · Adventure · Indie

Touhou Big Big Battle
Shared: Indie · Casual · Free to Play

Palia
Shared: Free to Play · Casual · Adventure

Drug Dealer Simulator: Free Sample
Shared: Free to Play · Simulation · Casual

Varenje
Shared: Adventure · Free to Play · Indie

Home Behind
Shared: Adventure · Indie · Casual

That's not my Neighbor
Shared: Adventure · Casual · Indie

Samsara Room
Shared: Adventure · Indie · Free to Play

Professional Fishing
Shared: Free to Play · Simulation · Casual

There Is No Game: Wrong Dimension
Shared: Indie · Adventure · Casual

Florence
Shared: Adventure · Indie · Casual

Fishing Planet
Shared: Free to Play · Simulation · Adventure

How to Make an Atomic Bomb in Your Garden
Shared: Adventure · Indie · Simulation

Cell to Singularity - Evolution Never Ends
Shared: Free to Play · Simulation · Casual

IdleOn - The Incremental MMO
Shared: Free to Play · Indie · Adventure

Streamer Life Simulator
Shared: Simulation · Casual · Indie