1. Press the left and right key to save the water leak, and then move the leak into the box on the right side. However, you can only move a maximum of five drips. 2. Miscatch will result in water leakage. The drainage device on the left side can lower overall water level. 3. When the overall water level exceeds your height, the oxygen level will decrease and harm your stamina. 4. You can supplement your oxygen at the vent with blisters on the right side.