Single-player games like Defend Your Castle
Below are 11 single-player Steam games similar to Defend Your Castle, 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 Defend Your Castle page.
Ranked picks
- 1
CastleStorm
Single-player alternative to Defend Your Castle — playable solo, no multiplayer required. Shares Action and Strategy with Defend Your Castle.
Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.
- 2
Orcs Must Die!
Single-player alternative to Defend Your Castle — playable solo, no multiplayer required. Shares Action and Strategy with Defend Your Castle.
Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.
- 3
Royal Defense
Single-player alternative to Defend Your Castle — playable solo, no multiplayer required. Shares Strategy and Indie with Defend Your Castle.
The castle needs a hero – hordes of trolls are surrounding it! Build towers, save money, learn spells - don't let the enemy in! Follow the exciting story of the dwarven kingdom's eternal struggle against the troll hordes, who want only to crush the dwarves and claim their territory.
- 4
Dungeon Defenders
Single-player alternative to Defend Your Castle — playable solo, no multiplayer required. Shares Action and Strategy with Defend Your Castle.
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!
- 5
Plants vs. Zombies GOTY Edition
Single-player alternative to Defend Your Castle — playable solo, no multiplayer required. Shares Strategy with Defend Your Castle.
Zombies are invading your home, and the only defense is your arsenal of plants! Armed with an alien nursery-worth of zombie-zapping plants like peashooters and cherry bombs, you'll need to think fast and plant faster to stop dozens of types of zombies dead in their tracks.
- 6
City Defense Z
Single-player alternative to Defend Your Castle — playable solo, no multiplayer required. Shares Action and Strategy with Defend Your Castle.
City Defense Z combines base-building and base defense in a roguelite progression loop. Build by day, defend by night, and face a growing zombie threat. Every defeat unlocks permanent upgrades, helping you rebuild smarter and push further each time. See how many days you can last.
- 7
Dig or Die
Single-player alternative to Defend Your Castle — playable solo, no multiplayer required. Shares Action and Strategy with Defend Your Castle.
Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.
- 8
Gnomes
Single-player alternative to Defend Your Castle — playable solo, no multiplayer required. Shares Strategy and Indie with Defend Your Castle.
Gnomes is a turn-based tower defense with deep roguelike progression, set in ever-expanding, procedurally generated biomes. Build, farm and defend your village as you push deeper into goblin-infested territory. Unlock powerful upgrades and craft your environment to survive the endless goblin horde
- 9
Stick RPG 2: Director's Cut
Single-player alternative to Defend Your Castle — playable solo, no multiplayer required.
Get ready to enter the 2nd Dimension! Thrust into a bizarre and unfamiliar city and find your place among strange citizens. Work, Fight, Study, Eat, Drink, Gamble, Train, Sleep, Quest, Collect, Invest, Repeat.
- 10
Super Motherload
Single-player alternative to Defend Your Castle — playable solo, no multiplayer required. Shares Indie and Casual with Defend Your Castle.
Set on Mars in an alternate Cold-War era, Super Motherload is a 1 to 4-player couch co-op digging adventure with storyline by Image Comics' Kurtis Wiebe, a fully voiced cast of Soviet and American characters, and a procedurally-generated world that changes each time you play.
- 11
The Low Road
Single-player alternative to Defend Your Castle — playable solo, no multiplayer required. Shares Indie and Casual with Defend Your Castle.
Lie, blackmail, and steal your way down The Low Road. Rookie agent Noomi Kovacs must navigate her way through the world of corporate espionage in this dark spy comedy set in the 1970s.