Single-player games like BULLET GIRL：ZOMBIE DEFENSE
Below are 10 single-player Steam games similar to BULLET GIRL：ZOMBIE 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 BULLET GIRL：ZOMBIE DEFENSE page.
Ranked picks
- 1
Blood Moon: Last Stand
Single-player alternative to BULLET GIRL：ZOMBIE DEFENSE — playable solo, no multiplayer required. Shares Action and Strategy with BULLET GIRL：ZOMBIE DEFENSE.
‘Blood Moon: Last Stand’ is an action-strategy game set in Xianxia, blending wave defense, real-time control, and roguelike deck-building. Command up to three cultivators, forge unique builds, and withstand relentless hordes and bosses. Survive seven days to overturn fate.
- 2
REBELLION PRINCESS｜リベリオン プリンセス
Single-player alternative to BULLET GIRL：ZOMBIE DEFENSE — playable solo, no multiplayer required. Shares Action and Strategy with BULLET GIRL：ZOMBIE DEFENSE.
Raise your favorite characters and have them ready to fight in the next run! Command beautiful girls to defend the castle and princess A non-reset roguelite × tower defense
- 3
Zombie Apocalypse - The Last Fortress
Single-player alternative to BULLET GIRL：ZOMBIE DEFENSE — playable solo, no multiplayer required. Shares Strategy and Indie with BULLET GIRL：ZOMBIE DEFENSE.
Defend your base against hordes of zombies while using a variety of weapons, vehicles, explosives, soldiers and turrets in this survival tower defense game. Will you be able to create your own strategy and survive for 30 days?
- 4
Zombie Apocalypse - The Last Defense
Single-player alternative to BULLET GIRL：ZOMBIE DEFENSE — playable solo, no multiplayer required. Shares Strategy and Indie with BULLET GIRL：ZOMBIE DEFENSE.
Create your own strategies, tactics and manage your resources in this survival tower defense game. Buy weapons, vehicles, explosives, soldiers, turrets and battle against huge waves of zombies. Can you survive for 25 days?
- 5
Rift Haul TD
Single-player alternative to BULLET GIRL：ZOMBIE DEFENSE — playable solo, no multiplayer required. Shares Action and Strategy with BULLET GIRL：ZOMBIE DEFENSE.
Build, upgrade, evolve, and reposition your towers to counter new threats, explore powerful synergies, and stay one step ahead in this fast-paced fantasy tower defense.
- 6
Space Witch
Single-player alternative to BULLET GIRL：ZOMBIE DEFENSE — playable solo, no multiplayer required. Shares Action and Strategy with BULLET GIRL：ZOMBIE DEFENSE.
Embark on a quest to mend the Holy Grail and bring harmony to the universe! Gather cards in Explore mode, a peaceful classic RPG, then put them to use in Battle mode, an intense RTS card game, where the fate of the stars is decided.
- 7
SYNCHRONIZERS: UNDEAD MARINES
Single-player alternative to BULLET GIRL：ZOMBIE DEFENSE — playable solo, no multiplayer required. Shares Action and Strategy with BULLET GIRL：ZOMBIE DEFENSE.
"SYNCHRONIZERS: UNDEAD MARINES" blends high-quality Three-Lane Tower Defense with Reverse Tower Defense gameplay. Command your units in a thrilling narrative reminiscent of a StarCraft and Plants Vs. Zombies fusion! Your choices will forge the path to victory—or defeat.
- 8
Crypt Keeper
Single-player alternative to BULLET GIRL：ZOMBIE DEFENSE — playable solo, no multiplayer required. Shares Action and Strategy with BULLET GIRL：ZOMBIE DEFENSE.
Unleash your inner necromancer in Crypt Keeper – a roguelite tower defense game. Raise skeleton armies, defend your crypt, and manipulate enemy waves with the ESSENCE-IAL update.
- 9
Jesus Christ: A Gospel Visual Novel
Single-player alternative to BULLET GIRL：ZOMBIE DEFENSE — playable solo, no multiplayer required. Shares Indie and Casual with BULLET GIRL：ZOMBIE DEFENSE.
Step into the age of the Gospels and witness the teachings, miracles, and redemption of Jesus Christ. This visual novel, centered on biblical stories, presents a journey of sacrifice and hope through dialogue and chapter-based storytelling.
- 10
Pocket Aquarium 方寸水族
Single-player alternative to BULLET GIRL：ZOMBIE DEFENSE — playable solo, no multiplayer required. Shares Indie and Casual with BULLET GIRL：ZOMBIE DEFENSE.
Build your own cozy desktop aquarium. Collect dozens of charming fish, shrimp and snails, decorate with plants, rocks, lighting and substrate, and watch your little creatures swim, forage and grow. Unlock rare, dreamlike fish — or set them free to drift across your desktop.