Single-player games like Koumajou Remilia: Scarlet Symphony
Below are 11 single-player Steam games similar to Koumajou Remilia: Scarlet Symphony, 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 Koumajou Remilia: Scarlet Symphony page.
Ranked picks
- 1

Touhou Luna Nights
Single-player alternative to Koumajou Remilia: Scarlet Symphony — playable solo, no multiplayer required. Shares Action and Indie with Koumajou Remilia: Scarlet Symphony.
Touhou Luna Nights is a Metroidvania title with a heavy emphasis on exploration and action. Developed by Team Ladybug, creators of multiple fantastic action games thus far.
- 2

Glimmer in Mirror
Single-player alternative to Koumajou Remilia: Scarlet Symphony — playable solo, no multiplayer required. Shares Action and Indie with Koumajou Remilia: Scarlet Symphony.
Glimmer in Mirror is a 2D story-rich action shooting game. Play as Shiro in a collapsed world, to meet various unique NPCs and monsters, and gradually uncover the truth of the world through a gripping story.
- 3

Heroine Anthem Zero -Sacrifice-
Single-player alternative to Koumajou Remilia: Scarlet Symphony — playable solo, no multiplayer required. Shares Indie and Adventure with Koumajou Remilia: Scarlet Symphony.
《Heroine Anthem Zero : Sacrifice》 is an epic fantasy 2D side-scrolling ARPG with Japanese voiceovers and support for 7 languages. In a world unforgiven by God, it is a story of sacrifice and survival ten years in the making. Come and enter a world of adventure from long ago.
- 4

Rabi-Ribi
Single-player alternative to Koumajou Remilia: Scarlet Symphony — playable solo, no multiplayer required. Shares Action and Indie with Koumajou Remilia: Scarlet Symphony.
Dodge bullets, missiles and lasers in battle as you wrap your head around that bunny girl costume! Combo away with your mighty Piko Hammer or spam various spells from afar with your fiery fairy friend. Explore and explode through Rabi-Rabi Island as you collect power-ups and uncover secrets...
- 5

Touhou: Scarlet Curiosity
Single-player alternative to Koumajou Remilia: Scarlet Symphony — playable solo, no multiplayer required. Shares Action with Koumajou Remilia: Scarlet Symphony.
The world of Touhou comes alive in this beautiful action RPG (featuring “bullet hell” elements, of course!). Infamous vampire Remilia Scarlet and her dutiful maid, Sakuya, set off to chase rumors of a massive monster, all while sending baddies flying with fluid action and signature skills!
- 6

TEVI
Single-player alternative to Koumajou Remilia: Scarlet Symphony — playable solo, no multiplayer required. Shares Action and Indie with Koumajou Remilia: Scarlet Symphony.
Embark on an epic action-adventure as you slash, dash, and combo your way through a vast, vibrant world. Explore and uncover hidden secrets. Customize your build to triumph in spectacular boss battles. Experience a tale of mystery, magic, and mayhem in TEVI, a bullet hell metroidvania!
- 7

Frontier Hunter: Erza’s Wheel of Fortune
Single-player alternative to Koumajou Remilia: Scarlet Symphony — playable solo, no multiplayer required. Shares Action and Indie with Koumajou Remilia: Scarlet Symphony.
This is an anime-style Metroidvania game with an RPG progression system, numerous weapons for switching, and an emphasis on equipment building. It offers three switchable characters, smooth gameplay, impactful combat feedback, and anime-style story scenes.
- 8

Timespinner
Single-player alternative to Koumajou Remilia: Scarlet Symphony — playable solo, no multiplayer required. Shares Action and Indie with Koumajou Remilia: Scarlet Symphony.
Travel back in time to change fate itself, in this beautifully crafted story-driven adventure, inspired by classic 90s action-platformers. Join timekeeper Lunais on her quest for revenge against the empire that killed her family, using time-bending powers to explore a vast, connected world.
- 9

Touhou Mystia's Izakaya
Single-player alternative to Koumajou Remilia: Scarlet Symphony — playable solo, no multiplayer required. Shares Indie with Koumajou Remilia: Scarlet Symphony.
A brand new pixel art restaurant simulator based on the Touhou Project! Play as Mystia, the owner of a small izakaya. Collect ingredients by day, cater to the customers by night, learn recipes from familiar characters, and become the best izakaya owner in all of Gensokyo!
- 10

Metroidvania Maker
Single-player alternative to Koumajou Remilia: Scarlet Symphony — playable solo, no multiplayer required. Shares Action and Indie with Koumajou Remilia: Scarlet Symphony.
Create, play, and share custom Metroidvania worlds with a built-in world editor, co-op play, and player-made adventures.
- 11

Koumajou Remilia Ⅱ: Stranger's Requiem
Single-player alternative to Koumajou Remilia: Scarlet Symphony — playable solo, no multiplayer required. Shares Action and Indie with Koumajou Remilia: Scarlet Symphony.
Koumajou Remilia Ⅱ: Stranger's Requiem is a direct sequel to side-scrolling action game Koumajou Remilia: Scarlet Symphony, featuring characters from the Touhou Project, adored by fans around the world.