有三个门，一个安全的通道。利用环境线索和你的观察能力，推断出安全的前进路线，揭开前人探险者的谜团。

Steam - https://store.steampowered.com/app/4494830/The_Vaults_Below_Durn_A_Field_Study/
Itch - https://gongylus.itch.io/the-vaults-below-durn-steam-demo