Single-player games like 月圆之堡 Castle of Full Moon
Below are 8 single-player Steam games similar to 月圆之堡 Castle of Full Moon, 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 月圆之堡 Castle of Full Moon page.
Ranked picks
- 1
博物魅影
Single-player alternative to 月圆之堡 Castle of Full Moon — playable solo, no multiplayer required. Shares Indie and RPG with 月圆之堡 Castle of Full Moon.
《博物魅影》是一款结合了解谜和探险元素的独立游戏。玩家将扮演希音，一名来自花城市的女高中生，她在一次偶然的机会中发现了博物馆中隐藏的秘密，以及一个神秘的男孩，他的出现似乎与博物馆中即将发生的一系列奇异事件有关。
- 2
Cat in the Box
Single-player alternative to 月圆之堡 Castle of Full Moon — playable solo, no multiplayer required. Shares Indie with 月圆之堡 Castle of Full Moon.
Cat in the Box is a horror adventure game. Help the poor girl explore the mansion and escape from unknown entities that are pursuing her. Use a variety of tools and your wits to overcome any challenges you face. At times, you'll even have to wake yourself from nightmares to survive.
- 3
Coffin of Ashes
Single-player alternative to 月圆之堡 Castle of Full Moon — playable solo, no multiplayer required. Shares Indie and RPG with 月圆之堡 Castle of Full Moon.
Delilah is an ordinary school girl who accidentally discovers an old mansion on a rainy night. As her exploration in the mansion continues, she finds many mysterious phenomena that can't be explained. In this mansion covered by ashes, what's the secret hidden deep underground?
- 4
Lunar Mirror
Single-player alternative to 月圆之堡 Castle of Full Moon — playable solo, no multiplayer required. Shares Indie and RPG with 月圆之堡 Castle of Full Moon.
"Lunar Mirror" It is a horror suspense decryption game with the theme of Cthulhu in the research institute. Nishimura Qiren's girlfriend mysteriously disappeared on campus. As the investigation deepened, strange events happened one after another
- 5
Causality
Single-player alternative to 月圆之堡 Castle of Full Moon — playable solo, no multiplayer required. Shares Indie with 月圆之堡 Castle of Full Moon.
Causality is a survival horror game. You must rescue 3 students trapped in a school full of mysterious psychic phenomena, and uncover the secrets behind therein. The real story behind the school, and the causal relationship of the events, is all in your hands.
- 6
Last Word
Single-player alternative to 月圆之堡 Castle of Full Moon — playable solo, no multiplayer required. Shares Indie and RPG with 月圆之堡 Castle of Full Moon.
In a society where having the last word means having power over others, a small party is disrupted by a gentleman who politely issues orders via one-way intercom.
- 7
Silent Love
Single-player alternative to 月圆之堡 Castle of Full Moon — playable solo, no multiplayer required. Shares Indie with 月圆之堡 Castle of Full Moon.
This is a terrorist decryption adventure game that took place in 1913.
- 8
羽翼的祈愿 - Feather Of Praying
Single-player alternative to 月圆之堡 Castle of Full Moon — playable solo, no multiplayer required. Shares Indie and RPG with 月圆之堡 Castle of Full Moon.
This is a horror puzzle RPG first released in 2016. Players control Qiu Xiaoqi as she explores a mysterious room filled with puzzles alongside a white-haired youth. They unravel mechanisms to uncover the truth behind her loss of consciousness. Will the wish be fulfilled? The story is yours to shape!