Single-player games like Cyber Defense
Below are 9 single-player Steam games similar to Cyber 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 Cyber Defense page.
Ranked picks
- 1
Robowars
Single-player alternative to Cyber Defense — playable solo, no multiplayer required. Shares Action and Strategy with Cyber Defense.
Robowars is back on Steam! Fight off troops of droids for freedom and honor in our classical tower defense game. Lead the forces of the Solar Union to protect the peaceful planet of Praymos from the aggressive Trade Confederation.
- 2
Cosmic Trip
Single-player alternative to Cyber Defense — playable solo, no multiplayer required. Shares Action and Strategy with Cyber Defense.
Cosmic Trip is an award-winning real-time strategy VR game. Build a base, command a flying drone army, and attack/defend hostile enemies on strange alien planets.
- 3
Calyx
Single-player alternative to Cyber Defense — playable solo, no multiplayer required. Shares Strategy with Cyber Defense.
A strategy game with a new kind of enemy, Calyx puts you in charge of a space mining outpost, locked in battle against powerful plant-aliens. Build your base, gather resources, assemble your forces, and take on the Calyx. With only an out-of-date AI for company, can you survive?
- 4
OTTTD
Single-player alternative to Cyber Defense — playable solo, no multiplayer required. Shares Strategy with Cyber Defense.
Take command of HEROCORP™ and launch a Preemptive Defence Campaign™ against parallel dimensions in OTTTD, the most outrageous Tower Defence title around.
- 5
IRON GUARD
Single-player alternative to Cyber Defense — playable solo, no multiplayer required. Shares Action and Strategy with Cyber Defense.
A sci-fi roomscale VR Tower Defense game. Strategize to destroy waves of rogue robots and assist the powerful turrets with a handheld drone. Build and collect resources and help evacuate your crew from the alien planet.
- 6
7 Days Blood Moons
Single-player alternative to Cyber Defense — playable solo, no multiplayer required. Shares Action with Cyber Defense.
7 Days Blood Moons is a 4v1 fight to the death. Survivors fortify bases and scavenge for materials while the Zombie Master commands and possesses the horde to crush them. Play solo or with friends – up to 4 survivors can team up against a human or AI Zombie Master. Who will prevail?
- 7
D.O.T. Defence
Single-player alternative to Cyber Defense — playable solo, no multiplayer required. Shares Strategy with Cyber Defense.
Welcome to the frontlines! Build towers, muster armies, and conquer the map. Challenge yourself in the single-player campaign following the Chroma Wars, survive relentless waves in solo defense, or battle it out in local matches against friends and AI bots. Victory comes with the last HQ standing!
- 8
Attack on Toys
Single-player alternative to Cyber Defense — playable solo, no multiplayer required. Shares Action and Strategy with Cyber Defense.
Relive Your Childhood Toys comes to life! Build your Army Toys, make battle scenario, watch the Toys battling each other, and customize your play with Attack on Toys Toy Box. Command your Army Toys to fight againts another toys strategically and keep them alive during battle!
- 9
Escape From Infection Zone
Single-player alternative to Cyber Defense — playable solo, no multiplayer required. Shares Action with Cyber Defense.
Escape the zombie infected zone, using an arsenal of weapons, in this arena shooter game.