Single-player games like Fieldrunners
Below are 8 single-player Steam games similar to Fieldrunners, 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 Fieldrunners page.
Ranked picks
- 1

Fieldrunners 2
Single-player alternative to Fieldrunners — playable solo, no multiplayer required. Shares Strategy and Casual with Fieldrunners.
Get ready to DEFEND THE WORLD! The biggest sequel in tower defense history is finally here: Fieldrunners 2 has arrived! From Subatomic Studios, creators of the award winning classic strategy game comes an all new adventure that was years in the making.
- 2

Super Sanctum TD
Single-player alternative to Fieldrunners — playable solo, no multiplayer required. Shares Strategy and Indie with Fieldrunners.
Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization and replayability. Build advanced mazes and construct powerful towers to prevent alien hordes from reaching the Core!
- 3

Defense Grid: The Awakening
Single-player alternative to Fieldrunners — playable solo, no multiplayer required. Shares Strategy and Indie with Fieldrunners.
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.
- 4

Sanctum
Single-player alternative to Fieldrunners — playable solo, no multiplayer required. Shares Strategy and Indie with Fieldrunners.
You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.
- 5

Cubemen
Single-player alternative to Fieldrunners — playable solo, no multiplayer required. Shares Strategy and Indie with Fieldrunners.
Just Updated! Version 1.1 now has 6 New online Mayhem levels, Character Customization, 35 Defense levels, 25 Skirmish levels, and more!
- 6

Kingdom Rush - Tower Defense
Single-player alternative to Fieldrunners — playable solo, no multiplayer required. Shares Strategy with Fieldrunners.
Get ready for an epic journey to defend your kingdom against hordes of orcs, trolls, evil wizards and other nasty fiends using a vast arsenal of towers and spells at your command!Fight on forests, mountains and wastelands, customizing your defensive strategy with different tower upgrades and specializations!
- 7

Sol Survivor
Single-player alternative to Fieldrunners — playable solo, no multiplayer required. Shares Strategy and Indie with Fieldrunners.
Jump in to intense turret defense action with Sol Survivor! Build turrets to defend your colony and the innocent colonists within. Smash enemies with volleys of actively-controlled orbital support. Play with friends in co-operative and competitive multiplayer matches or test your mettle against our new Survival mode!
- 8

Mini Metro
Single-player alternative to Fieldrunners — playable solo, no multiplayer required. Shares Strategy and Indie with Fieldrunners.
Mini Metro is a strategy simulation game about designing a subway map for a growing city. Draw lines between stations and start your trains running. As new stations open, redraw your lines to keep them efficient. Decide where to use your limited resources. How long can you keep the city moving?