Single-player games like Fungal Fiefdom
Below are 8 single-player Steam games similar to Fungal Fiefdom, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Fungal Fiefdom page.
Ranked picks
- 1

Decimation
Single-player alternative to Fungal Fiefdom — playable solo, no multiplayer required. Shares Strategy and Indie with Fungal Fiefdom.
Sci-fi tower defense meets ARPG-like hero combat. Build towers then fight alongside them with your hero as you battle through a campaign to uncover the fate of a colonization effort on a distant planet.
- 2

The first titans
Single-player alternative to Fungal Fiefdom — playable solo, no multiplayer required. Shares Strategy and Indie with Fungal Fiefdom.
The first titans is an indie VR game where the shooters, tower defense and strategy games meet together. You will land in a hostile planet where you have to protect your crystal reactor. Recollect resources, build towers and kill the aliens trying to destroy you.
- 3

House of Cards: TD
Single-player alternative to Fungal Fiefdom — playable solo, no multiplayer required. Shares Strategy and Indie with Fungal Fiefdom.
A game where you must defend against robots that came from the future and want to destroy all of humanity. You must use various strategies and characters to survive this time-traveling adventure! Are you ready to join this adventure?
- 4

공돌이 VS AI
Single-player alternative to Fungal Fiefdom — playable solo, no multiplayer required. Shares Strategy and Indie with Fungal Fiefdom.
By Placing the turrets, Save Humanity from AI!
- 5

Electron Flux
Single-player alternative to Fungal Fiefdom — playable solo, no multiplayer required. Shares Strategy and Indie with Fungal Fiefdom.
A circuit-themed tower defense game: Build circuits that can survive the onslaught of electrical bugs. Discover new enemies, research new and upgraded towers, and protect increasingly complex circuit paths.
- 6

Freaking Meatbags
Single-player alternative to Fungal Fiefdom — playable solo, no multiplayer required. Shares Strategy and Indie with Fungal Fiefdom.
Land on a planet, pick up some rocks, leave before the solar system explodes. Oh, and don't die in the nightly robot attacks! Freaking Meatbags is a humorous real-time strategy game that's all about building a base, mixing meatbag DNA, then convincing those dolts to help you gather resources.
- 7

Mechs V Kaijus - Tower Defense
Single-player alternative to Fungal Fiefdom — playable solo, no multiplayer required. Shares Strategy and Indie with Fungal Fiefdom.
Mechs V Kaijus is an addictive hardcore tower defense gameplay. In Mechs V Kaijus you take on the role of Commander of a powerful Mechs squadron. Improve your Mech, strategically place towers and factories on the battlefield. Deploy support units on the battlefield, and save our civilization.
- 8

Beacon of Neyda
Single-player alternative to Fungal Fiefdom — playable solo, no multiplayer required. Shares Strategy and Indie with Fungal Fiefdom.
In a world where a robot revolution failed, the last humans search for a way to survive and escape. Beacon of Neyda is a side-scrolling action-strategy game where you must survive waves of enemies while creating and upgrading your base as you explore a world in ruins.