Single-player games like Planet Modular TD
Below are 10 single-player Steam games similar to Planet Modular TD, 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 Planet Modular TD page.
Ranked picks
- 1
Infested Planet
Single-player alternative to Planet Modular TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet Modular TD.
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.
- 2
Anomaly Defenders
Single-player alternative to Planet Modular TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet Modular TD.
Anomaly Defenders is the closing installment of the Anomaly series. The original incarnation of the Tower Offense sub-genre had players controlling humans fighting alien invaders. Now, the tables have turned. The human counterattack is underway and the alien homeworld is under threat.
- 3
Defense Grid: The Awakening
Single-player alternative to Planet Modular TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet Modular TD.
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
Ancient Planet Tower Defense
Single-player alternative to Planet Modular TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet Modular TD.
Ancient Planet is classic tower defense game. The stronghold of an ancient civilization has been invaded by hordes of alien raiders. Use powerful technologies of the Ancient and repel the attack of the enemy's armies!
- 5
Revenge of the Titans
Single-player alternative to Planet Modular TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet Modular TD.
The ultimate mash-up of Real-time Strategy and Tower Defense!
- 6
Space Run
Single-player alternative to Planet Modular TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet Modular TD.
Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space!
- 7
Anomaly: Warzone Earth
Single-player alternative to Planet Modular TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet Modular TD.
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
- 8
Kingdom Rush - Tower Defense
Single-player alternative to Planet Modular TD — playable solo, no multiplayer required. Shares Strategy with Planet Modular TD.
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!
- 9
Fantasy Realm TD
Single-player alternative to Planet Modular TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet Modular TD.
Try tower defense with many towers & defense strategies! TD game from TD players
- 10
Module TD. Sci-Fi Tower Defense
Single-player alternative to Planet Modular TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet Modular TD.
This is Sci-fi Tower Defense created by gamers for gamers.