Games like Fungal Fiefdom
Games like Fungal Fiefdom include Bloons TD 6, Outpost: Infinity Siege, Plants vs. Zombies GOTY Edition, Rise to Ruins, and Dungeon of the ENDLESS™. We matched them by the tags players give Fungal Fiefdom on Steam (Strategy, Tower Defense, 3D, Pixel Graphics, and Nature): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

Outpost: Infinity Siege
Shared: Tower Defense · 3D · Robots

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Singleplayer

Rise to Ruins
Shared: Tower Defense · Strategy · Pixel Graphics

Dungeon of the ENDLESS™
Shared: Strategy · Tower Defense · Pixel Graphics

Dungeon Warfare
Shared: Strategy · Tower Defense · Pixel Graphics

Emberward
Shared: Tower Defense · Strategy · 3D

Wall World
Shared: Tower Defense · Pixel Graphics · Strategy

Thronefall
Shared: Strategy · Tower Defense · 3D

The Escapists
Shared: Strategy · Pixel Graphics · Singleplayer

Balatro
Shared: Strategy · Pixel Graphics · Singleplayer

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · Singleplayer

Rogue Tower
Shared: Strategy · Tower Defense · 3D

Creeper World 3: Arc Eternal
Shared: Strategy · Tower Defense · Indie

Warpips
Shared: Strategy · Tower Defense · Pixel Graphics

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Into the Breach
Shared: Strategy · Pixel Graphics · Indie

Orcs Must Die! 3
Shared: Tower Defense · Strategy · 3D

Kingdom Two Crowns
Shared: Tower Defense · Strategy · Singleplayer

Mechs V Kaijus - Tower Defense
Shared: Tower Defense · Strategy · Pixel Graphics

Taur
Shared: Strategy · Tower Defense · Indie

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Defense Grid: The Awakening
Shared: Strategy · Tower Defense · Singleplayer