Here is the full list of all 11 Vs. Self Demo achievements.
Answer Sergei’s call.
Open the backdoor in the gas station.
Inspect all items in the gas station.
Obey the Gang’s orders.
Disobey the Gang’s orders.
Reach the Warehouse.
Send the Text.
Complete the Hope Ending.
Complete the Obey Ending.
Complete all Endings.
Unlock all gallery photos.