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Sand Locker is the 15th Extra Ops introduced in Metal Slug Attack

Story

Due to the recent disappearance of Allen Jr., the Rebel Army sent an officer to find him; Abigail. She arrives at the desert and finds a Ptolemaic Army vehicle: Sand Marine. Without hesitation, she order her drones to launch a beam, which release a Motorbiker Pow. This one drives fastly to encounter with Trevor.

After defeating the Sand Marine, Abigail remembers Trevor, letting on that she fell in love with him.

Introduced Units

Unit Rarity Available?
MSA rarity Super Rare Yes, via Rare Shop
MSA rarity Super Rare No
MSA rarity Rare Yes, via P.O.W. Shop
MSA rarity Rare No
MSA rarity Rare No


Event Stage Breakdown

Expert Units

EXPERT

UNITS
GET

UNIT
MSA event power increase
Pre-

Acquisition
MSA event gold enemy increase+3%
MSA event points increase40%
MSA event gold enemy increase+6%
MSA event points increase80%
MSA event gold enemy increase+9%
MSA event points increase120%
PICK UP!! MSA event gold enemy increase+2%
MSA event points increase20%
MSA event gold enemy increase+4%
MSA event points increase40%
MSA event gold enemy increase+6%
MSA event points increase60%
Pack

Shop
MSA event gold enemy increase+1%
MSA event points increase10%
MSA event gold enemy increase+2%
MSA event points increase20%
MSA event gold enemy increase+3%
MSA event points increase30%
MSA event gold enemy increase+4%
MSA event points increase40%
Reward MSA event points increase6% MSA event points increase9%MSA event points increase12% MSA event points increase15%
Extra Ops

(Previous)
MSA event points increase5%MSA event points increase10% MSA event points increase15%
Reward MSA event points increase6% MSA event points increase9%MSA event points increase12% MSA event points increase15%

Milestones

MSA currency Exclusive Points MSA currency MSP
100 50,000
1,000 10
1,500 80,000
2,000 10
2,500 100,000
3,000 10
3,500 100,000
4,000 10
4,500 100,000
5,000 10
6,000 100,000
7,000 10
8,000 100,000
9,000 10
10,000 100,000
12,500 10
15,000 100,000
17,500 10
20,000 100,000
22,500 10
25,000 100,000
27,500 10
30,000 100,000
35,000 10
40,000 100,000
45,000 10
50,000 100,000
55,000 10
60,000 150,000
65,000 10
70,000 150,000
75,000 10
80,000 150,000
85,000 10
90,000 150,000
95,000 10
100,000 200,000
110,000 20
120,000 200,000
130,000 20
140,000 200,000
150,000 20
160,000 200,000
170,000 20
180,000 20
190,000 200,000
200,000 20
210,000 200,000
220,000 20
230,000 200,000
240,000 20
250,000 200,000
260,000 20
270,000 20
280,000 200,000
290,000 20
300,000 20
310,000 200,000
320,000 200,000
330,000 200,000
340,000 200,000
350,000 MSA item III Subsand Tank
x50
360,000 300,000
370,000 300,000
380,000 300,000
390,000 300,000
400,000 MSA item IV Subsand Crawler
x30
410,000 500,000
420,000 500,000
430,000 500,000
440,000 500,000
450,000 MSA item V Subsand Bullet
x1
460,000 1,000,000
470,000 1,000,000
480,000 1,000,000
490,000 1,000,000
500,000 MSA item V Subsand Missile
x1

Daily Ranking Rewards

Rank Boss Reward (parts)
1
2
3
4-6
7-10
11-20
21-30
31-40
41-50
51-75
76-150

Mission Breakdown

Stage MSA currency Sortie Points small Items / Trophies of War MSA Tied P.O.W. Enemies
Levels Ratio MSA currency Exclusive Points
Stage 1

MSA difficulty 1-Very Easy
5
MSA item III Subsand TankMSA item IV Subsand Crawler
3 94% 1
5% 5
1% 20
Sandmarine 50
Stage 2

MSA difficulty 2-Easy
10
MSA item III Subsand TankMSA item IV Subsand Crawler
3 91% 1
7% 5
2% 20
Sandmarine 100
Stage 3

MSA difficulty 3-Normal
20
MSA item III Subsand TankMSA item IV Subsand Crawler
4 88% 1
9% 5
3% 20
Sandmarine 220
Stage 4

MSA difficulty 4-Hard
35
MSA item III Subsand TankMSA item IV Subsand Crawler
4 85% 1
11% 5
4% 20
Sandmarine 400
Stage 5

MSA difficulty 5-Very Hard
50
MSA item III Subsand TankMSA item IV Subsand Crawler
4 82% 1
13% 5
5% 20
Sandmarine 600
Stage 6

MSA difficulty 6-Hell
70
MSA item III Subsand TankMSA item IV Subsand Crawler
5 79% 1
15% 5
6% 20
Sandmarine 830

Event Items

 Sand Marine
Icon Name Stat Effects Components
MSA item III Subsand Tank Subsand
Tank

[Near][Far][Special]
Attack Damage +50

x50: MSA item II Flame Shot MSA item I Handgun.38 MSA item I Canned Food

MSA item IV Subsand Crawler Subsand
Crawler

[Near][Far][Special]
Attack Damage +100

x30: MSA item III Iron Lizard x50: MSA item III Dumpling x10: MSA item III Subsand Tank

MSA item V Subsand Bullet Subsand
Bullet

[Near][Far][Special]
Attack Damage +150

x1: MSA item V Battery x40: MSA item III Subsand Tank x10: MSA item IV Subsand Crawler

MSA item V Subsand Missile Subsand
Missile

[Near][Far][Special]
Attack Damage +200

x1: MSA item V Vulcan MSA item V Golden Bat x5: MSA item V Subsand Bullet

Metal Slug Attack Extra Ops
Mars Attack | Jupiter King's Extra Ops | Mummy's | Score Attack!! | Ptolemaic Attack | Pirates Attack | Golden Soldier | Black Future | CODE : ASSAULT | The King of Weapons | Metal Slug Alice | Zombie Parade | Alien vs. Morden | Boy Memories | Sand Locker | Halloween Train | Agent Sally | Mutation War | Food Army! | Destroy the Tower | Invader Girl | Operation Ikari | Santa Trap | Merry Christmas! | Queen's Battle | Flying Ace | Crazy Drive | Food Army! 2nd | X Day | Pharaoh Rebirth | Chocolate of the Dead | Signal Red | Power of New Versions | Signs of Curse | Tough & Cool | Wild Edge | Pirate's Ghost | Amadeus Revenge | Snatch Wars | Jungle Monkeys | Rider's High | Green Monster | Mad Scientists | Snatch Wars Season 2 | Break In The Shell | Maximum Evolution | Next One | Snatch Wars Season 3 | Clash of the Worlds | Bicycle Maiden | Glow in the Dark | Snatch Wars Season 4 | Double Face | Last Resort | No Limit | Rising Iron | Snatch Wars Season 5 | Silent Assassin | Supply Lines | Eternal Way | Snatch Wars Season 6

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