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
Runic Survivor
Single-player alternative to Siegecaster — playable solo, no multiplayer required. Shares Action with Siegecaster.
Combine Runes to craft unique spells! Survive the endless hordes of monsters as you work to break the four Runic seals! Runic is a casual horde shooter with rogue-lite elements and a charming retro aesthetic.
- 2
ShapeHero Factory
Single-player alternative to Siegecaster — playable solo, no multiplayer required.
In ShapeHero Factory, you’re the engineer of an ever-evolving paint-fuelled factory that spits out magical, shape-based warriors. Send them into battle - to death or glory - then build an even better factory on your next run.
- 3
Octogeddon
Single-player alternative to Siegecaster — playable solo, no multiplayer required. Shares Action with Siegecaster.
You ARE Octogeddon, a massive mutant octopus with one mission: DESTROY the world! Grow more tentacles and evolve each of them into deadlier and deadlier weapons until you become the ultimate eight-legged killing machine!
- 4
Spell Disk
Single-player alternative to Siegecaster — playable solo, no multiplayer required. Shares Action with Siegecaster.
Build unique synergy spell combos to destroy the hordes of monsters and bosses in this rogue-lite action game.
- 5
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!
- 6
Patch Quest
Single-player alternative to Siegecaster — playable solo, no multiplayer required. Shares Action with Siegecaster.
In a labyrinth surrounded by vicious monsters, Explorers must rely on their Lasso to survive! Capture and tame ANY monster to leap, glide, surf, tunnel and websling through a treacherous, patchwork maze. This roguelike/metroidvania seems cute, but it’s a deceptively difficult bullet-hell challenge!
- 7
HYPERGUN
Single-player alternative to Siegecaster — playable solo, no multiplayer required. Shares Action with Siegecaster.
Fight through waves of alien interlopers and save the world as Dewey Owens in HYPERGUN, a fast-paced roguelite shooter centering around a procedural weapon of questionable effectiveness. Enter the simulation. Build the HYPERGUN!
- 8
Has-Been Heroes
Single-player alternative to Siegecaster — playable solo, no multiplayer required. Shares Action with Siegecaster.
Has-Been Heroes is a challenging, lane-based roguelike game of strategy and action, featuring a band of heroes on a quest to escort the King's twin princesses to school!
- 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!