Single-player games like Ninja Outbreak
Below are 15 single-player Steam games similar to Ninja Outbreak, 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 Ninja Outbreak page.
Ranked picks
- 1

Quebec Mortis
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
Top down retro adventure game including 4 different stories.
- 2

Nine Lives Ninja: Explore!
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
Take control of a cat (who also happens to be a ninja) in this platformer with metroidvania elements! Explore the ancient cave system and find new powers to help you overcome obstacles in your search for the Fountain of Kitty Youth.
- 3

An Automaton's Journey
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
Play as the ancient automaton Cecilia Immergreen as you explore the world for secrets, solve puzzles, delve into dungeons, fight other Hololive members as powerful bosses, help other members with side quests, and find powerful items to explore previously unavailable locations.
- 4

pear potion🍐
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
a cute little metroidvania with challenging combat and witchcraft 🧙🍐
- 5

In Hope Voiden
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
A forbidden warzone. Twelve soldiers. One life each. In this first person survival horror, death is permanent and the world remembers. Explore a surreal, trench-ridden hellscape where every action matters - and every death uncovers a new piece of a haunting mystery.
- 6

Pipistrello and the Cursed Yoyo
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
Are you ready for the first Yoyovania?! In this 2D top-down adventure you'll explore a sprawling urban landscape, reinterpreting your surroundings through your mastery of yoyo tricks. Navigate the city's many districts, fight rival crime bosses, and regain the influence of the Pipistrello family!
- 7

Venusian Vengeance
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
In the year is 196X the Soviets won the space race and colonized Venus. Now the Americans have sent Sgt. Jon Dagger to Venus to destroy the Secret Soviet Science Facility.
- 8

Porradaria 2: Pagode of the Night
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
O Ninja está de volta! Desta vez a procura do Lendário Saco de Batatas Fritas Infinitas!!
- 9

And All Would Cry Beware!
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Adventure with Ninja Outbreak.
90s-style shooter meets Metroidvania. Step through a portal to a mysterious alien world, and discover the fate of the Lost Expedition.
- 10

Cold Vengeance
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
When Canada invades the USA, Sgt. Jon Dagger must run and gun his way across the ruins of America to the Frozen North to deliver Cold Vengeance.
- 11

Kill the Superweapon
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
3D Twin-Stick Action game where bosses can roam from room to room in pursuit of the player. Samantha Kill is on a mission to take down Abaddon Inc. and their Bio-Mechanical Supersoldiers.
- 12

Space Captain McCallery - Episode 1: Crash Landing
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
Space Pirate Captain McCallery has Crash Landed on an alien planet! Explore a strange and hostile alien world in this Low-Poly 3D Action-Adventure game.
- 13

Thunder Kid
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action with Ninja Outbreak.
Take on the forces of the Robot Empire in this Low-Poly 3D Run 'n' Gun Action Game!
- 14

Space Captain McCallery - Episode 2: Pilgrims in Purple Moss
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
Space Pirate Captain McCallery explores a mysterious ruin in an alien swamp in search of treasure in this Low-Poly 3D Action-Adventure game.
- 15

Diorama Dungeoncrawl
Single-player alternative to Ninja Outbreak — playable solo, no multiplayer required. Shares Action and Indie with Ninja Outbreak.
Low-Poly 3D Diorama Action! Inspired by 16-bit action games, Diorama Dungeoncrawl brings that style of challenge to a fully 3D Environment! Battle monsters and avoid traps in your quest to claim the heart of the Living Castle!