Single-player games like RealmGuard
Below are 8 single-player Steam games similar to RealmGuard, 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 RealmGuard page.
Ranked picks
- 1
Deck Defense
Single-player alternative to RealmGuard — playable solo, no multiplayer required. Shares Strategy and Indie with RealmGuard.
Tower defense meets deck building in Deck Defense. Defending against the blobs is no easy feat. Will you prioritise fortifying your tower defenses or expanding the map? Build your deck with over 75 cards to choose from.
- 2
Wandering Monolith: Rogue TD
Single-player alternative to RealmGuard — playable solo, no multiplayer required. Shares Strategy and Indie with RealmGuard.
You are the Wandering Monolith, falling from the sky. Summon towers, expand the board, defend your core, and build your deck of upgrades to conquer countless worlds.
- 3
Castella
Single-player alternative to RealmGuard — playable solo, no multiplayer required. Shares Strategy and Casual with RealmGuard.
Castella is a Tower Defense Rogue-like, where you will build a fortress to defend yourself from Hordes of monsters besieging your Castle. During the game you will unlock and upgrade a great variety of Towers and Buildings. You will build walls to block the path and defend your resources and Castle.
- 4
坍塌世界
Single-player alternative to RealmGuard — playable solo, no multiplayer required. Shares Strategy and Indie with RealmGuard.
"Collapsing World" is an innovative tower defense game blending deck-building and roguelike mechanics. Recruit unique companions, craft powerful skill decks, and tackle randomized stages. Deep strategy breaks the traditional TD mold—every run is a fresh challenge!
- 5
Rogue Realm: Guardian Grids
Single-player alternative to RealmGuard — playable solo, no multiplayer required. Shares Strategy and Indie with RealmGuard.
Rogue Realm: Guardian Grids is a medieval fantasy blend of tower defense and roguelike progression. Build defenses on a grid, manage resources, and survive ever-evolving enemies.
- 6
Bloomtide
Single-player alternative to RealmGuard — playable solo, no multiplayer required. Shares Strategy and Indie with RealmGuard.
A 9×9 board × roguelike deckbuilder × explosive multipliers. Reshape your pool with daily 3-picks. Chain symbol combos through an event queue, and push your build until the numbers break. From the 12-rent campaign to endless score-attack — see how far one good build can go.
- 7
Beach Defense: Zombie Invasion
Single-player alternative to RealmGuard — playable solo, no multiplayer required. Shares Strategy and Indie with RealmGuard.
Command soldiers, survive zombie waves! A light strategy game mixing turn-based & real-time strategy, bullet hell, and backpack-like mechanics. Fit troops into limited backpack slots, build max firepower, challenge difficulty levels, and defend the last beach. Perfect for tower defense & fans.
- 8
Glazed Mirror : Myriad Cards
Single-player alternative to RealmGuard — playable solo, no multiplayer required. Shares Strategy and Indie with RealmGuard.
Randomly deal the cards, with the Role cards determining the card pool. Based on the technique cards in hand, play them in sequence to trigger their effects. Alter cards alter the initial deal, and the Phantasm challenge the depth limit.