Games like Spirit Island
Games like Spirit Island include Wingspan, Talisman: Digital Classic Edition, Slay the Spire 2, UNO, and Gremlins, Inc.. We matched them by the tags players give Spirit Island on Steam (Board Game, Nature, Turn-Based Tactics, Destruction, and Strategy): closest matches first, and among equally close ones the better-known games.

Wingspan
Shared: Board Game · Nature · Strategy

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

Slay the Spire 2
Shared: Strategy · Card Game · Co-op

UNO
Shared: Board Game · Card Game · Tabletop

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

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

Axis and Allies 1942 Online
Shared: Board Game · Strategy · Turn-Based Tactics

Dune: Imperium
Shared: Board Game · Strategy · Grand Strategy

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

Through the Ages
Shared: Board Game · Strategy · Tabletop

Tabletop Simulator
Shared: Board Game · Tabletop · Card Game

Sentinels of the Multiverse
Shared: Board Game · Strategy · Indie

Balatro
Shared: Strategy · Card Game · Indie

Root
Shared: Board Game · Strategy · Tabletop

Armello
Shared: Board Game · Strategy · Card Game

Viractal: Will You Trust Your Party?
Shared: Board Game · Turn-Based Tactics · Strategy

HEART of CROWN Online
Shared: Board Game · Strategy · Indie

Slay the Spire
Shared: Card Game · Strategy · Indie

For The King II
Shared: Board Game · Strategy · Indie

Nexus 5X
Shared: Board Game · Strategy · Turn-Based Tactics

Teardown
Shared: Destruction · Indie · Strategy

Just Xiangqi
Shared: Board Game · Turn-Based Tactics · Strategy

The Escapists 2
Shared: Strategy · Co-op · Local Co-Op

Roguebook
Shared: Indie · Strategy · Card Game