Single-player: opening this menu pauses the world. While hosting or joined, the world keeps running behind it so other players are not frozen.
W A S D move Shift run Space jump / vault Space at a ship's rail: leap overboard
Mouse look E interact
M map K codex H help F2 photo mode (hide HUD) F3 debug
I inventory / crafting N gun mining mode. Aim at an outcrop or submerged deposit and hold LMB to extract resources. Craft plates, wire, blocks and quartz in your field kit.
Enter chat (when connected to a multiplayer game: Host a game or Join in the Multiplayer box above)
P third-person camera: see your own diver (wetsuit, helmet and the dive gear you have built)
Swimming: Space up · C dive · F dive lamp · E collect artifacts and relics (feed them to the Research Array)
Submarine (Shipyard): at the helm Space rise · C dive · R blow tanks. Letting go holds depth; G docks at a marina when surfaced
Binoculars: craft them at the workbench, then hold V to look through, mouse wheel for power. The Lookout Tower has a telescope on its top deck (E)
Dive gear: craft a better suit, rebreather and fins at a workshop workbench (E). Depth and air show bottom-left (off in sandbox)
W / S throttle A / D rudder
Shift overdrive X anchor G auto-dock at a Marina Pier
F horn E leave helm
Leave a ship: run at the rail and press Space (no more E). Jump back aboard from the water or another deck.
B toggle Q build menu Tab category
1-9 / wheel select LMB place R rotate (stays set) / line support height
Belts & Pipes, Power Line: click a port, click supports, click the other port RMB undo
X demolish mode (LMB to remove) RMB exit
Swim to a raft edge: E climb on
Dock kiosk: E transport terminal
Build at a helipad console (E), refuel, walk up and E to board
W / S speed A / D turn Space / C climb / descend
Shift boost V camera E leave (when landed)
Resolution, shadows, bloom, rain, smoke and wildlife change at once. Vegetation, sea life, underwater effects, dynamic lights and rain shelter detail apply the next time the game loads.