Single-player games like Gachi Defense
Below are 11 single-player Steam games similar to Gachi 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 Gachi Defense page.
Ranked picks
- 1
Astral Lords
Single-player alternative to Gachi Defense — playable solo, no multiplayer required. Shares Action and Strategy with Gachi Defense.
Shatter genre boundaries in this sci-fi survival Roguelite blending bullet-hell action and base-building RTS. Dodge and unleash screen-clearing firepower against alien hordes, while constructing fortresses and real-time automated defenses to crush your enemies.
- 2
Galaxy Critter Co.
Single-player alternative to Gachi Defense — playable solo, no multiplayer required. Shares Action and Strategy with Gachi Defense.
Galaxy Critter Co. is a cute chaotic roguelike where tower defense meets top-down shooting: build by day, fight by night, and craft broken synergies to survive the Swarm.
- 3
Roman Empire vs. Barbarians
Single-player alternative to Gachi Defense — playable solo, no multiplayer required. Shares Action and Strategy with Gachi Defense.
Barbarians keep expanding all over the place and you’ve been summoned as the hero who’s going to stop them. You’re provided with a Roman Empire tower that comes with a powerful catapult and a team of warriors. Will that be enough to stop the barbarian invasion?
- 4
Space Bross
Single-player alternative to Gachi Defense — playable solo, no multiplayer required. Shares Action and Strategy with Gachi Defense.
Your chicken has been kidnapped, and that’s all it takes to send a retired astronaut into full galactic mayhem. Space Bross is a hand-drawn 2.5D tower defense & action roguelite where you’ll build bases, fend off alien hordes, and blast your way across planets to bring your feathery friend back.
- 5
Moongrave
Single-player alternative to Gachi Defense — playable solo, no multiplayer required. Shares Action and Strategy with Gachi Defense.
Moongrave is a roguelite tower defense. Rebuild your underground city, summon a crystal to the surface to repel hordes of monsters, erect turrets, cast powerful spells, and gather resources to strengthen your village and uncover the secrets of the fallen Moon.
- 6
Sivers
Single-player alternative to Gachi Defense — playable solo, no multiplayer required. Shares Action and Strategy with Gachi Defense.
Sivers is an RPG-roguelike with a unique style, where waves of enemies test your strategy. Use spells and build defenses, develop your hero, and fight bosses and varied foes. Victory on the first try is unlikely — every attempt brings you closer to success!
- 7
Towerful Defense: A Rogue TD
Single-player alternative to Gachi Defense — playable solo, no multiplayer required. Shares Action and Strategy with Gachi Defense.
A roguelike tower defense where you control a single tower to fight against hordes of aliens coming from all directions. Pick your tower, equip up to 4 skills, and choose from a variety of traits and unique effect items to craft powerful builds that lead you to victory.
- 8
Cultivation Tales
Single-player alternative to Gachi Defense — playable solo, no multiplayer required. Shares Action and Strategy with Gachi Defense.
Cultivation Tales is an open world survival craft online game. You will experience collecting, crafting, hunting, fighting, building, researching, in a wild mythical world. Fight for your clan and yourself, from mortal to divinity!
- 9
GOOOOOOAL!
Single-player alternative to Gachi Defense — playable solo, no multiplayer required. Shares Casual with Gachi Defense.
Have you ever tried playing cards with a bear? But bears don't know how to play cards... That in this incredible game you will feel yourself in the role of a bear who is trying to play cards, but he does not succeed. All he can do is smash everything around and scream GOOOOOL!
- 10
Falldown 79: Bottle of truth
Single-player alternative to Gachi Defense — playable solo, no multiplayer required. Shares RPG and Casual with Gachi Defense.
Узнайте историю простого русского парня, который живет в России. Возможно он хотел бы никогда не покидать свое комфортное убежище и не видеть все ужасы улицы, но судьба уготовила ему совсем иные планы и ему предстоит увлекательное приключение.
- 11
Meme Christmas
Single-player alternative to Gachi Defense — playable solo, no multiplayer required. Shares Action and RPG with Gachi Defense.
An incredible New Year's roguelike in the genre of Survival! Immerse yourself in the holiday atmosphere and hold out as long as possible from the hordes of Memes and defeat all the Bosses...