Hello! I do feel kind of bad that you had to walk all the way down to the first door, and then walk all of the way back to open it, especially with the default walk speed being so slow on keyboard (and the game doesn't tell you you can press Shift to run). My plan was to get rid of the slow movement entirely, and just have the Aquanaut always run when you use the keyboard, but maybe it's nice to let the player move at a slower pace if they want, and I should just tutorialise the Shift key.
Thanks for playing!