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
Ann
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.
Ann, an art student finds herself trapped in the school when she accidentally broke one of the school's rules. With the help of the school's security guard, help Ann navigate her way out and uncover the secrets of the school before she becomes a permanent resident of the school.
- 3
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.
- 4
Echo
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.
”Echoes of the heart" can be heard the moment each other's paths intertwine. "Echo" is an action RPG with a perfectly sized storyline and a unique progression system. The story begins with Lin, a young, solo adventurer. Many secrets lie within a closed off forest. Can you hear that faint voice?
- 5
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?
- 6
8th Avenue
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.
Endless looping streets, elusive anomalies, psychological and courage-testing pressure, the deeper you go, the clearer it becomes, integrate details to trigger multiple endings, success or failure hangs by a thread.
- 7
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.
- 8
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.