Games like Terra Mystica
Games like Terra Mystica include Gremlins, Inc., Talisman: Digital Classic Edition, Plague Inc: Evolved, Through the Ages, and UNO. We matched them by the tags players give Terra Mystica on Steam (Strategy, Indie, Tabletop, Board Game, and Turn-Based): closest matches first, and among equally close ones the better-known games.

Gremlins, Inc.
Shared: Tabletop · Strategy · Board Game

Talisman: Digital Classic Edition
Shared: Strategy · Tabletop · Board Game

Plague Inc: Evolved
Shared: Strategy · Indie · Singleplayer

Through the Ages
Shared: Strategy · Tabletop · Board Game

UNO
Shared: Tabletop · Board Game · Strategy

100% Orange Juice
Shared: Board Game · Strategy · Indie

Terraforming Mars
Shared: Strategy · Board Game · Tabletop

Slay the Spire
Shared: Strategy · Turn-Based · Indie

Balatro
Shared: Strategy · Singleplayer · Indie

Small World
Shared: Strategy · Board Game · Tabletop

Sid Meier's Civilization® V
Shared: Strategy · Turn-Based · Multiplayer

Armello
Shared: Board Game · Strategy · Turn-Based

Rento Fortune: Online Dice Board Game (大富翁)
Shared: Strategy · Board Game · Tabletop

Heroes® of Might & Magic® III - HD Edition
Shared: Strategy · Turn-Based · Multiplayer

Hollow Knight: Silksong
Shared: Indie · 2D · Singleplayer

Chess Ultra
Shared: Strategy · Indie · Board Game

ShellShock Live
Shared: Strategy · 2D · Turn-Based

Sid Meier’s Civilization® VI
Shared: Strategy · Turn-Based · Multiplayer

Space Hulk (Classic)
Shared: Strategy · Board Game · Turn-Based

Game Dev Tycoon
Shared: Indie · Strategy · Singleplayer

Root
Shared: Strategy · Tabletop · Board Game

Viticulture Essential Edition
Shared: Strategy · Indie · Board Game

FTL: Faster Than Light
Shared: Strategy · Indie · Singleplayer

The Binding of Isaac: Rebirth
Shared: Indie · Singleplayer · Difficult