No missable achievements (plus 30 unknown)
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Obtain items from Rumi Aikawa
Save 10 POWs
Clear Mission 1
Save an orangutan
Throw 50 grenades
Reach a score of 100,000 points
Kill 100 soldiers
Reach a score of 200,000 points
Reach a score of 500,000 points
Throw 300 grenades
Get all weapons
Obtain items from Madoka Aikawa
Turn into a snowman
Play with a friend
Clear the game
Save 100 POWs
Kill 500 soldiers
Play with all characters
Save Hyakutaro Ichimonji
Reach a score of 1 000 000 points with a friend
Clear any mission with no miss
Kill 1,000 soldiers
Save 1,000 POWs
Clear the game without using a continue
Play 100 times as Marco
Play 100 times as Eri
Play 100 times as Fio
Play 100 times as Tarma
Unlock all Illustrations
Complete all Achievements