Games like Tree Kingdoms
Games like Tree Kingdoms include Bloons TD 6, The Battle of Polytopia, Richman 11, Slime Rancher 2, and Wingspan. We matched them by the tags players give Tree Kingdoms on Steam (Cute, Casual, Colorful, Strategy, and Board Game): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Casual · Singleplayer

The Battle of Polytopia
Shared: Strategy · Colorful · Singleplayer

Richman 11
Shared: Casual · Board Game · Turn-Based Tactics

Slime Rancher 2
Shared: Cute · Colorful · Singleplayer

Wingspan
Shared: Board Game · Strategy · Casual

Slime Rancher
Shared: Cute · Colorful · Singleplayer

UNO
Shared: Casual · Board Game · Strategy

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Singleplayer

Dorfromantik
Shared: Casual · Board Game · Strategy

Terra Nil
Shared: Strategy · Casual · Nature

Richman10
Shared: Casual · Strategy · Cute

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

The WereCleaner
Shared: Casual · Cute · Strategy

Insaniquarium Deluxe
Shared: Casual · Cute · Singleplayer

Carcassonne - Tiles and Tactics
Shared: Strategy · Board Game · Casual

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

Minami Lane
Shared: Cute · Casual · Colorful

Hasbro's BATTLESHIP
Shared: Board Game · Casual · Strategy

Mini Motorways
Shared: Casual · Strategy · Minimalist

RACCOIN: Coin Pusher Roguelike
Shared: Strategy · Casual · Singleplayer

Root
Shared: Board Game · Strategy · Cute

Zuma Deluxe
Shared: Casual · Strategy · Cute

Kabuto Park
Shared: Casual · Cute · Colorful

Is This Seat Taken?
Shared: Casual · Cute · Colorful