Single-player games like Unholy Alliance - Tower Defense
Below are 8 single-player Steam games similar to Unholy Alliance - Tower Defense, 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 Unholy Alliance - Tower Defense page.
Ranked picks
- 1
Castle Defense Battles
Single-player alternative to Unholy Alliance - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Unholy Alliance - Tower Defense.
Castle Defense requires strategic thinking and tactical timing to defend your Castle from an onslaught of evil monsters.
- 2
Kingdom Rush Origins - Tower Defense
Single-player alternative to Unholy Alliance - Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Unholy Alliance - Tower Defense.
Command your elven army and defend mystical lands from sea serpents, evil sorcerers, and wave after wave of gnoll tribesman, all with the help of brand-spankin’ new towers, heroes, and spells to fend off every last baddie.
- 3
HighFleet
Single-player alternative to Unholy Alliance - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Unholy Alliance - Tower Defense.
Battle for survival in the skies of a mysterious future Earth in this unique action-strategy game mixing arcade combat, exploration, management and diplomacy. As giant flying ships wage spectacular aerial warfare, a prophecy tells of one who will save the world – could it be you?
- 4
GemCraft - Chasing Shadows
Single-player alternative to Unholy Alliance - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Unholy Alliance - Tower Defense.
An epic, challenging tower defense game with an emphasis on strategy and replayability. Summon gems of immense magical potency and harness their unique abilities against a seemingly endless horde of monsters. The archdemon seeks to swallow the world, and you must journey to stand against her.
- 5
Dungeon Defenders: Awakened
Single-player alternative to Unholy Alliance - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Unholy Alliance - Tower Defense.
Dungeon Defenders: Awakened is co-op Tower Defense combined with epic Action RPG combat. You’re able to join forces with up to four players to take on a never-ending army of orcs, demons, and dragons! Are your defenses strong enough to save the world of Etheria?
- 6
GemCraft - Frostborn Wrath
Single-player alternative to Unholy Alliance - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Unholy Alliance - Tower Defense.
The epic tower defense dark fantasy journey continues! Create powerful gems with various abilities and take on the battle against an endlessly flowing army of monsters, and face the growing darkness as you fight your way back towards the Spiritforge.
- 7
Forts
Single-player alternative to Unholy Alliance - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Unholy Alliance - Tower Defense.
Unleash your creativity and strategic prowess in Forts, the exhilarating physics-based RTS! Design, construct, and customize imposing fortresses, bristling with devastating firepower, and blast your opponent’s buildings to rubble!
- 8
Dungeon Defenders
Single-player alternative to Unholy Alliance - Tower Defense — playable solo, no multiplayer required. Shares Action and Strategy with Unholy Alliance - Tower Defense.
Create a hero from one of four classes to save Etheria in this 4-player coop Tower Defense Action-RPG. Includes Steam exclusive Portal gun & TF2 familiars!