Here is the full list of all 44 WHITE ALBUM: Memories like Falling Snow achievements.
Clear the game with the Rina Ogata ending.
Reach every character's ending.
See every event CG in the game.
See Rina's Valentine's Day event.
See Rina's sick visit event.
Clear the game with the Mana Mizuki ending.
See Mana's Valentine's Day event.
See Mana's sick visit event.
See Mana's date event.
Clear the game with the Misaki Sawakura ending.
See Misaki's sick visit event.
See Misaki's date event.
Clear the game with the Haruka Kawashima ending.
Hear every music track in the game.
See Haruka's date event.
See Haruka's sick visit event.
Clear the game with the Yayoi Shinozuka ending.
Reach Level 3 in every conversation topic.
See Yayoi's sick visit event.
See Yayoi's date event.
Clear the game with the Sayoko Kisaragi ending.
See Sayoko's sick visit event.
Reach Conversation Level 3 in Romance.
Clear the game with the Yuki Morikawa ending.
Clear the game without reaching any character's ending.
See Yuki's Valentine's Day event.
Reach Conversation Level 3 in Literature.
Reach Conversation Level 3 in Small Talk.
Reach Conversation Level 3 in Hobbies.
Reach Conversation Level 3 in Entertainment.
See Yuki's sick visit event.
See Yuki's date event.
Obtain every achievement.
See every one of Yuki's conversation events.
See every one of Rina's conversation events.
See every one of Haruka's conversation events.
See every one of Misaki's conversation events.
See every one of Mana's conversation events.
See every one of Yayoi's conversation events.
See every one of Sayoko's conversation events.
See every one of Akira's conversation events.
See every one of Eiji's conversation events.
Go in to work at Echoes 40 times.
Choose to stay home 40 times.