Single-player games like Siegecaster
Below are 9 single-player Steam games similar to Siegecaster, 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 Siegecaster page.
Ranked picks
- 1
Achilles: Survivor
Single-player alternative to Siegecaster — playable solo, no multiplayer required. Shares Action with Siegecaster.
Thousands of enemies. One survivor. Fight like a demigod, build deadly defenses, and grow stronger after every run in this fast-paced bullet heaven set in mythic Greece.
- 2
They Are Coming
Single-player alternative to Siegecaster — playable solo, no multiplayer required. Shares Action with Siegecaster.
They Are Coming is a hybrid game that combines roguelike, tower defense, and base building in a side-scrolling shooter format. It offers a straightforward gaming experience for pure enjoyment.
- 3
Monsters are Coming!
Single-player alternative to Siegecaster — playable solo, no multiplayer required. Shares Action with Siegecaster.
Beware, Monsters are Coming! In this Tower-Survivor rogue-lite, you protect an ever-moving city from unrelenting hordes. Gather resources, fortify defences, and survive for as long as you can. Will you reach the Ark?
- 4
Hexguardian
Single-player alternative to Siegecaster — playable solo, no multiplayer required.
Hexguardian is a roguelite, tower defense game where you build your own maps with hexagonal tiles! Build and upgrade towers, recruit armies, learn spells, construct wonders and place hexagonal tiles to create a path to enhance your defenses. With plenty of game modes and talents to unlock!
- 5
Utopia Must Fall
Single-player alternative to Siegecaster — playable solo, no multiplayer required. Shares Action with Siegecaster.
Defend humanity's last surviving metropolis from mysterious alien machinations in this challenging base-defense arcade shooter. Featuring rapid upgrade progression, procedurally generated attack waves, dark humor and laser-sharp aesthetics.
- 6
Deep Among the Swarm
Single-player alternative to Siegecaster — playable solo, no multiplayer required.
Deep Among the Swarm is a challenging survival RTS roguelite about surviving against thousands of enemies. Drill ever deeper underground while fighting the endless onslaught of the Swarm. Can you save humanity?
- 7
Emberward
Single-player alternative to Siegecaster — playable solo, no multiplayer required.
Build twisting mazes with tetromino blocks and deploy unique towers in this strategic roguelite tower defense adventure!
- 8
Mineral Defense
Single-player alternative to Siegecaster — playable solo, no multiplayer required.
Mineral Defense combines tower defense with roguelite elements and procedural generation. Build paths, unlock upgrades, and unleash powerful synergies to conquer evolving challenges in an ever-expanding world.
- 9
Dwerve
Single-player alternative to Siegecaster — playable solo, no multiplayer required. Shares Action with Siegecaster.
An epic action-adventure with tower defense combat! Dungeon crawl through a ruined kingdom, fending off hordes with turrets and traps! Punch them into pits! Pull them into spinblades! Zap and burn them!