Welcome to your 9th birthday, winter 1939. There is cake, music and a mysterious present. However, the mood changes quickly when an unexpected guest arrives at your party. Click on the arrows to navigate inside the cube. Interact with objects by tapping. Select found items in your inventory and click somewhere on screen to use them. Cube Escape: Birthday is the seventh episode of the Cube Escape series and is a continuation of the Rusty Lake story. We will unfold Rusty Lake mysteries one step at a time.