No working code and no expired code has been recorded, and no redemption screen has been documented. Progress comes from shopping days, quests, and the between-day shop.
How many groceries does each day ask for?
Recorded normal runs ask for 8 items on day one, 12 on day two, and 16 on a later day. The names change every run. Press M and follow the marked items. Do not memorize one fixed list.
How do you finish a shopping day?
Bring the marked groceries to the front checkout and cash out inside the entrance safe zone. In co-op the day does not close until the surviving players are in that zone together. Then each player readies up. One squad was auto-readied after about 20 seconds.
What should you do when you hear clicking?
Written guides treat nearby clicking as the Locust being close: turn the flashlight fully off and stand still. Recorded runs also stop on a scream and move once if a heartbeat continues. Do both. There is no documented number of seconds to wait.
Does clearing day three beat the game?
Not confirmed. The HUD can say 3 days to fill the order, and some groups call a cash-out a win, but no recording shows a win screen. Other runs continue to day five and describe an endless loop. The access-card ending is a separate unverified written route.
Do you have to pay for the flashlight?
Recorded runs receive a flashlight when the store goes dark. It is not shown as a shop purchase. The beam is described as weak. One session lost the flashlight after a death. A paid lamp has not been documented.