open console ingame with tilde key:
Budget [Any Number] – Add any amount of money.
Leak – Create a random leak on you U-BOAT.
Reputation [Any Number] – Increase your reputation to buy upgrades.
Skip [Any Number and Time Unit] – Skip in-game time w/out using up your resources.
Teleport [Any Two Numbers] – Teleport you U-boat on entered coordinates, For East long use “-number”.
Weather [Fog, Calm, Cloudy, Storm] – Change in-game weather.
XP [Any number] – Add any amount of experience to your crew on board.
Spawn [Warships, Convoy, Transport, Submarine] – Spawn these ships.
Torpedo – Launch a torpedo at your selected target.
Wound – Damage you sailors.
Bomb – Drop bomb on selected target.
Detect [Any Number] – Create random group near your position.
note: Case sensitiv!