Here is the full list of all 43 Disaster Report 4: Summer Memories achievements.
Exceeded 10,000 steps walking around the city.
Consumed a food item and eliminated hunger.
Relieved yourself.
Found a companion.
Stood your ground three times before falling over.
Acquired 15 or more costumes.
Acquired your first backpack.
Acquired all achievements.
Survived the first day after the earthquake.
Survived the second day after the earthquake.
Survived the third day after the earthquake.
Survived the fourth day after the earthquake.
Survived the fifth day after the earthquake.
Made it to the sixth day after the earthquake.
Traveled to the airport.
Traveled to the city hall.
Exceeded 1,000 Moral and Immoral Points total.
Acquired 22 or more compasses.
Exceed 100 million yen in total money and asset value of items.
Drank a beverage item and quenched thirst.
Acquired an item via assembly.
Experienced the city legend of the fifth floor curse.
Received a kiss from Akemi, the fashion designer.
Understood the students' feelings toward their teacher, Ms. Higa.
Received a jewel from the woman searching for them.
Obtained information on Vestola's rival, Kerberos.
Understood the passion behind reviving the Italian restaurant.
Gave canned food to the stray cat.
Verified that you met 90 individuals via the People menu.
Strengthened ties with the villainous Kumazawa.
Reunited Kanae with her fiancé, Tomoya Kazama.
Exercised your right to change this game's title.
Dove into the water for the first time.
Listened to the request from street musician Miki Kinoshita.
Contributed to the White Coats by inviting a lot of people.
Restored people's health with the power of the miracle water.
Searched for the little girl's teddy bear.
Confirmed the beginning of city reconstruction.
Bathed in the simple bath installed in the city.
Spent time with the Vestola president.
Cooperated with a writer investigating Vestola.
Punished your opponent with a single victory.
Received a letter from Yayoi at the end of your journey.