| Achievement | How to unlock
|
|---|
| 1,000 TOMBS | Kill 1,000 soldiers.
|
| 100 TOMBS | Kill 100 soldiers.
|
| 100,000 POINTS REACHED | Reach a score of 100,000 points.
|
| 200,000 POINTS REACHED | Reach a score of 200,000 points.
|
| 500 TOMBS | Kill 500 soldiers.
|
| CHARACTER MASTER | Play with all characters.
|
| COLLECTOR | Unlock all Illustrations.
|
| COOL | Play with a friend.
|
| ERI FETICHIST | Play 100 times as Eri.
|
| FIO FETICHIST | Play 100 times as Fio.
|
| GAME CLEAR | Clear the game.
|
| GRENADE KING | Throw 300 grenades.
|
| GRENADE LOVER | Throw 50 grenades.
|
| HERO | Save 100 POWs.
|
| HYAKUTARO ARRIVES | Save Hyakutaro Ichimonji.
|
| I LOVE BANANAS | Save an orangutan.
|
| MARCO FETICHIST | Play 100 times as Marco.
|
| MASTER NINJA | Clear the game without using a continue.
|
| MASTER OF METAL SLUG | Complete all Achievements.
|
| NINJA | Clear any mission with no miss.
|
| NURSE | Save 10 POWs.
|
| OASIS OF THE BATTLEFIELD (MADOKA) | Obtain items from Madoka Aikawa.
|
| OASIS OF THE BATTLEFIELD (RUMI) | Obtain items from Rumi Aikawa.
|
| ROOKIE | Clear Mission 1.
|
| SNOWMAN | Turn into a snowman.
|
| TARMA FETICHIST | Play 100 times as Tarma.
|
| TEAMWORK | Reach a score of ~ points with a friend.
|
| THE KING OF RECOVERY | Save 1,000 POWs.
|
| TOP SCORER | Reach a score of 500,000 points.
|
| WEAPON MASTER | Get all weapons.
|