epik strat:
1. on day 1, just keep searching different rooms, starting from floor 1. Only use the elevator.
2. Once the killer shows up, get into a pattern of getting in the elevator and checking the rooms on the floor above you (or floor 1 if you're already on floor 4).
3. Once you find a keycard, add in the extra step that you should ALWAYS go to the floor your keycard works on if the first floor you go to is entirely locked down
4. If you end up with 4 keycards at any point, you should prioritize using a keycard ASAP.
5. If you ever get a full inventory, go to sleep and eat some food.
6. On the start of the second day, use the basement key just to get rid of it.
7. Repeat steps 1-5 until you're free