Reply is an interactive novel, the events of which take place through a cell phone and social media. The insane experience of peeping into someone's privacy with a mobile phone will turn you into the greatest patriot of the state. Since the game has multiple endings, here's a guide to help you get them all.
Ending 0: Do not pick up the phone call from 4885 for a sufficient amount of time
Ending 1: When Mom calls, pick up the phone and talk to her
Ending 2: After getting the target, call 1818 to inquire about the mysterious numbers
Ending 3: Call the reporter on 0987 without activating the location service
Ending 4: Find evidence on Dickie and infiltrate his personal folder with images