Single-player games like X-Morph: Defense
Below are 10 single-player Steam games similar to X-Morph: 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 X-Morph: Defense page.
Ranked picks
- 1
The Riftbreaker
Single-player alternative to X-Morph: Defense — playable solo, no multiplayer required. Shares Action and Strategy with X-Morph: Defense.
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.
- 2
Yet Another Zombie Defense
Single-player alternative to X-Morph: Defense — playable solo, no multiplayer required. Shares Action and Strategy with X-Morph: Defense.
Darkness is coming. How long can YOU survive? Build your base by day, defend it by night. Play in online or local co-op. Stay alive as long as you can.
- 3
Super Sanctum TD
Single-player alternative to X-Morph: Defense — playable solo, no multiplayer required. Shares Strategy and Indie with X-Morph: Defense.
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!
- 4
Defense Grid: The Awakening
Single-player alternative to X-Morph: Defense — playable solo, no multiplayer required. Shares Strategy and Indie with X-Morph: Defense.
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.
- 5
Tesla vs Lovecraft
Single-player alternative to X-Morph: Defense — playable solo, no multiplayer required. Shares Action and Indie with X-Morph: Defense.
Tesla vs Lovecraft is an intense top-down twin stick arena shooter from the creators of Crimsonland and Neon Chrome. Play as the enigmatic inventor Nikola Tesla harnessing the static energy to power up Tesla-Mech and give the lovecraftian nightmares a lesson in horror!
- 6
Infested Planet
Single-player alternative to X-Morph: Defense — playable solo, no multiplayer required. Shares Action and Strategy with X-Morph: Defense.
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.
- 7
Sanctum 2
Single-player alternative to X-Morph: Defense — playable solo, no multiplayer required. Shares Action and Strategy with X-Morph: Defense.
Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.
- 8
Alien Shooter TD
Single-player alternative to X-Morph: Defense — playable solo, no multiplayer required. Shares Action and Strategy with X-Morph: Defense.
Innovative Tower Defense inspired by legendary Alien Shooter series! The game was created in keeping with the best traditions of Sigma`s games, no concessions of any kind - everything is just like in real life!
- 9
Zombie Driver HD
Single-player alternative to X-Morph: Defense — playable solo, no multiplayer required. Shares Action and Indie with X-Morph: Defense.
Insane mix of cars, speed, explosions, blood and zombies! Fight through an epic narrative campaign or test yourself in the Slaughter and Blood Race modes.
- 10
The Riftbreaker: Prologue
Single-player alternative to X-Morph: Defense — playable solo, no multiplayer required. Shares Action and Strategy with X-Morph: Defense.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.