Single-player games like Gregg: Tower Defence
Below are 8 single-player Steam games similar to Gregg: Tower Defence, 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 Gregg: Tower Defence page.
Ranked picks
- 1
Defenders of Legends
Single-player alternative to Gregg: Tower Defence — playable solo, no multiplayer required. Shares Strategy with Gregg: Tower Defence.
Defend your kingdom against legendary monsters. Place turrets strategically to block their path. Upgrade your defenses to fend off enemy hordes. Become the legendary guardian of the earth alone or in co-op!
- 2
Terrafort
Single-player alternative to Gregg: Tower Defence — playable solo, no multiplayer required. Shares Action and Strategy with Gregg: Tower Defence.
A procedurally generated sandbox survival game with RTS elements.
- 3
The Riftbreaker
Single-player alternative to Gregg: Tower Defence — playable solo, no multiplayer required. Shares Action and Strategy with Gregg: Tower Defence.
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
- 4
Rebirth evolution
Single-player alternative to Gregg: Tower Defence — playable solo, no multiplayer required. Shares Strategy with Gregg: Tower Defence.
2D pixel style simulation business strategy game Build and operate your own survivor base, recruit and cultivate various professional combatants. Clear zombie strongholds, reduce regional infections, survive in the apocalypse, and establish your own power.
- 5
Freaking Meatbags
Single-player alternative to Gregg: Tower Defence — playable solo, no multiplayer required. Shares Action and Strategy with Gregg: Tower Defence.
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.
- 6
Deep Among the Swarm
Single-player alternative to Gregg: Tower Defence — playable solo, no multiplayer required. Shares Strategy with Gregg: Tower Defence.
Deep Among the Swarm is a challenging survival RTS roguelite about surviving against thousands of enemies. Drill ever deeper underground while fighting the endless onslaught of the Swarm. Can you save humanity?
- 7
Minimalist Tower Defense
Single-player alternative to Gregg: Tower Defence — playable solo, no multiplayer required. Shares Strategy with Gregg: Tower Defence.
Collect resources and establish a defense line before dark And then Facing countless enemies
- 8
They Are Billions
Single-player alternative to Gregg: Tower Defence — playable solo, no multiplayer required. Shares Strategy with Gregg: Tower Defence.
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?