Mad Wave

Mad Wave is a stealth-horror game in which you must escape from an island inhabited by ghosts without being seen by them. To achieve this, you need to stealthily steal canisters of fuel and refuel your boat. As you navigate around moving obstacles, you can use distracting flash grenades and demonstrate stealth. However, keep in mind that the ghosts have acute hearing and can hear you.

Backstory
You are a geo-anomalist who has been researching anomalously appearing and disappearing islands for the past 5 years. At one point, you notice that a new island has appeared on the maps of the Geoanalyzer. You decide to immediately go there and study it. Upon arrival, you find an abandoned pier and realize that you lost fuel on the way due to a leak...