Day 11 - got up early to finish the game because I am going away for 2 days, but got stuck on the code for one if the last rooms. Solved it, but still, I am 2 rooms from the ende. Will try to finish them tomorrow, 2 hours before the submissions end, it does not matter how buggy they appear or if they are only still rooms, because they matter to finish the story/game.
Not sure if I can add a welcome room before the game (with game start and basic rules) but it does not matter because the game is a intuitive discover-as-you-go.