Subnautica - Subnautica is an Action-Adventure, Horror Survival, FPS, Exploration and Single-player video game created and published by Unknown Worlds Entertainment.
ANNO - ANNO is a city-building and economic simulation video game series, with real-time strategy elements.
UnderWater Adventure - UnderWater Adventure is an Action, Puzzle, Adventure-based, Exploration and Single-player video game created by Torii-Games.
Stronghold - Stronghold Crusader is a RTS game from the series from Stronghold.
Afrika - Afrika is a Single-player and Adventure-based Simulation created by Rhino Studios and published by Sony Computer Entertainment.
The Settlers Online - The Settlers is a free web browser based strategy game along with a gameplay that drops anywhere between Age of Empires and the online strategy style.