I like the tension you create trying to complete everything in time and the art is also really nice! Admittedly, I had to lookup the combinations of 1234 since I kept forgetting which ones I tried. Depending on what you're going for, adding a list of what combinations the player tried, a list of possible combinations, reducing the number of digits, or putting a hint somewhere in the background could all be different ways to maybe help with players that can't keep track of that many combinations. Regardless, the horror of the unknown is a refreshingly different take this was a fun submission!