Deepolis

Deepolis is a multiplayer open world simulation game. It was developed by Bigpoint and was released on December 17, 2008.

In Deepolis, the player takes on the role of under water admiral commanding a submarine in a three-dimensional underwater world, with the aim of completing quests and sinking other players and NePCs. As a result, the player collects experience points (EP) and advances upwards through the levels. The game optionally supports player clans, both for PVP and PVE play.