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Unobtainable
Units

Units which cannot be directly added to one's collection. Some were implemented in the original version of the game, Metal Slug Defense, but remain dummied out in the successor, Metal Slug Attack. Some are implemented, but can only be used by CPU players during certain stages. Some are alternate versions of units, with different stats and / or attack patterns. Some are only available through a unit summoning.

Previously Unlockable

Units which could be unlocked in Metal Slug Defense, but are unobtainable in Metal Slug Attack. Although some of them can be summoned by existing units (such as Abul Abbas).

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MSAUnit 3-Ton Utility Truck.png
 3-Ton Utility Truck
Spawns an unlimited supply of Arabian Fighters. Although they cannot be unlocked directly, Abul Abbas can summon these.
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MSAUnit Amadeus Type-α1.png
 Amadeus Type-α
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MSAUnit Amadeus Type- β.png
 Amadeus Type- β
MSA aggregated these two units into Amadeus Type:α.
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MSAUnit Armor Unit.png
 Armor Unit
Although they cannot be unlocked directly, the Masked Soldier can summon these.
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MSAUnit Crab Nest.png
 Crab Nest
Spawns an unlimited supply of Chowmein-Conga. The Dress Up shop offers it as a custom base avatar only.
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MSAUnit Crablops (Legs).png
 Crablops (Legs)
The boss Crablops, deprived of its upper half. Fires at enemies from a large turret. Re-introduced as Crablops Type-Lower.
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MSAUnit Di-Cokka Ver.F.png
 Di-Cokka Ver.F
A futuristic version of the Di-Cokka.
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MSAUnit F.Bazooka Soldier2.png
 F.Bazooka Soldier
Although they cannot be unlocked directly, the Big Gate can summon these.
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MSAUnit F.Rocket Soldier.png
 F.Rocket Soldier
Leaps to the ground and fires rockets from his backpack.
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MSAUnit F.Shielded Soldier.png
 F.Shielded Soldier
Able to produce a prolonged forcefield, making it totally invulnerable to attacks.
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MSAUnit Forklift.png
 Forklift
Trevor riding upon a forklift. It's able to lift the cab for high-up attacks.
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MSAUnit Landseek.png
 Landseek
A truck with an anti-aircraft gun mounted in the back.
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MSAUnit Morden Bus1.png
 Morden Bus
Summons an unlimited supply of Rebel soldiers. MSA' has a similar version which calls forth enraged troops.
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MSAUnit Mummy Generator.png
 Mummy Generator
Summons an unlimited supply of Mummies. There is also an alternative version that summons Mummy Cats only.
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MSAUnit MV-280C Ver.F.png
 MV-280C Ver.F
A futuristic version of the MV-280C. Still hard to drive due to its large hood ornament. Ironically, the original version was never implemented in both games.
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MSAUnit Ohumein-Conga(Brown).png
 Ohumein-Conga(Brown)
A giant enemy crab! Its siblings, the red and green variants, are already available in MSA.
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MSAUnit Party People.png
 Party People
A regular Mars Person in fancy dress. The original variant, but the last remaining version missing from MSA.
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MSAUnit Protogunner1.png
 Protogunner
The Protogunner was once ridden by Ralf, who'd leap out and continue on foot if it were destroyed. Tarma takes his place in MSA, although there is an upgraded version ridden by Ralf himself, however he doesn't leap out of it upon getting destroyed.
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MSAUnit Regular Army Truck.png
 Regular Army Truck
Summons an unlimited supply of Regular Army commandos. The Dress Up shop offers it as a custom base avatar only. It is later re-introduced as the Golden Regular Army Truck.
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MSAUnit Scrap Tower1.png
 Scrap Tower
A miner-placed tower. MSA has a similar version which instead contains yellow Rebel Soldiers.
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MSAUnit Snowman Marco.png
 Snowman Marco
Contains Marco.
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MSAUnit Snowman Tarma.png
 Snowman Tarma
Contains Tarma.
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MSAUnit Snowman Trevor.png
 Snowman Trevor
Contains Trevor.
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MSAUnit Snowwoman Eri.png
 Snowwoman Eri
Contains Eri.
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MSAUnit Snowwoman Fio.png
 Snowwoman Fio
Contains Fio.
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MSAUnit Spike Bunker.png
 Spike Bunker
A miner-placed unit that fires in a straight line.
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MSAUnit Super Devil Fio.png
 Super Devil Fio
Fires cannon shells from her hand gun. Her illustration still exists in-game but unused.
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MSAUnit SV-001 Type-R.png
 SV-001 Type-R
MSA offers an alternate version, ridden by Marco. The MSA version never uses its cannon as a special attack.
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MSAUnit The Snail House.png
 The Snail House
Summons an unlimited supply of Big Snails. The Dress Up shop offers it as a custom base avatar only. The shell is later then reused by the Queen Big Snail.
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MSAUnit UFO.png
 UFO
A UFO that fires laser on set intervals.
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MSAUnit W.Bazooka Soldier.png
 W.Bazooka Soldier
Has a bazooka and alpine camouflage.
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MSAUnit W.Paratrooper.png
 W.Paratrooper
Drops from the sky with a bazooka.
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MSAUnit Zombie (Young Man).png
 Zombie (Young Man)
One of the later units added to MSD. It is later re-introduced as Parasite Zombie, an Invader affiliated zombie, with a parasitic larva infecting him.

CPU Only

Units which have only ever been available for use by the AI-controlled player.

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MSAUnit Amadeus Boss.png
 Amadeus Boss
A stationary version of Doctor Type: AI.
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MSAUnit Cannon Diver.png
 Cannon Diver
Sits below the regular playing area, firing shots upwards towards the units overhead.
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MSAUnit Clark1.png
 Clark
An alternate version of Clark.
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MSAUnit Dangling Maggot.png
 Dangling Maggot
Hangs from the ceiling, occasionally dropping Maggots downwards.
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MSAUnit Emain Macha Boss1.png
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MSAUnit Emain Macha Boss2.png

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MSAUnit Emain Macha1.png
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MSAUnit Emain Macha2.png
Alternate versions of Emain Macha, used during boss battles.
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MSAUnit Dragon Nosuke.png
 Dragon Nosuke
The original precursor to the cut-down Dragon Nosuke+.
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MSAUnit Fake Rootmars.png
 Fake Rootmars
A stationary boss. Can be summoned using the Mars People Officer.
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MSAUnit Giant Sasquatch.png
 Giant Sasquatch
Appeared as a target during the Merry Christmas! Extra Ops.
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MSAUnit Hanging Mutated Soldier.png
 Hanging Mutated Soldier
Drops from the ceiling to explode on your units.
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MSAUnit Hozmi.png
 Hozmi
The original, floating version of the boss, attacking from below your units.
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MSAUnit Kaladgolg.png
 Kaladgolg
Fights in much the same manner as Tani Oh, firing from below your units.
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MSAUnit Mobile Satellite.png
 Mobile Satellite
Auto-targets units and fires bolts of lightning at them.
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MSAUnit POW1.png
 POW1
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MSAUnit POW2.png
 POW2
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MSAUnit POW3.png
 POW3
Targets for Combat School.
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MSAUnit Riderless Ostrich.png
 Riderless Ostrich
Used in the Food Army! Extra Ops as a target. Later returned for Food Army! 2nd.
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MSAUnit Sandmarine Boss.png
 Sandmarine Boss
An alternate version of the Sandmarine.
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MSAUnit Tani Oh1.png
 Tani Oh
Unlike the playable Tani Oh, this version attacks from beneath your units and can stun them.
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MSAUnit Tetsuyuki.png
 Tetsuyuki
The original and the very first boss.

KoF Units

Units making cameo appearances from SNK's King of Fighters series of video games. Some of the KoF Units released on Metal Slug Attack are part of the Regular Army.

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MSAUnit Andy Bogard.png
Andy Bogard.
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MSAUnit Athena Asamiya.png
Athena Asamiya.
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MSAUnit Benimaru Nikaido.png
Benimaru Nikaido.
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MSAUnit Brian Battler.png
Brian Battler.
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MSAUnit Chang Koehan.png
Chang Koehan.
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MSAUnit Chin Gentsai.png
Chin Gentsai.
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MSAUnit Choi Bounge.png
Choi Bounge.
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MSAUnit Goro Daimon.png
Goro Daimon.
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MSAUnit Heavy D!.png
Heavy D!.
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MSAUnit Iori Yagami.png
Iori Yagami.
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MSAUnit Joe Higashi.png
Joe Higashi.
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MSAUnit Kim.png
Kim Kaphwan.
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MSAUnit King.png
King.
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MSAUnit Kyo Kusanagi.png
Kyo Kusanagi.
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MSAUnit Lucky Glauber.png
Lucky Glauber.
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MSAUnit Mature.png
Mature.
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MSAUnit Robert Garcia.png
Robert Garcia.
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MSAUnit Rugal Bernstein.png
Rugal Bernstein.
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MSAUnit Ryo Sakazaki.png
Ryo Sakazaki.
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MSAUnit Sie Kensou.png
Sie Kensou.
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MSAUnit Takuma Sakazaki.png
Takuma Sakazaki.
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MSAUnit Vice.png
Vice.
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MSAUnit Yuri Sakazaki.png
Yuri Sakazaki.

Battle Cats Units

Units introduced to MSD during a collaboration event with Battle Cats. Metal Slug units were also introduced to that game at the time.

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MSAUnit Cat.png

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MSAUnit Black Cat.png
Cat.
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MSAUnit Wall Cat.png

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MSAUnit Black Wall Cat.png
Wall Cat.
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MSAUnit Gross Cat.png

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MSAUnit Black Gross Cat.png
Gross Cat.
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MSAUnit Titan Cat.png

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MSAUnit Black Titan Cat.png
Titan Cat.
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MSAUnit Teacher Bun Bun.png

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MSAUnit Bun Bun Black.png
Teacher Bun Bun.
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MSAUnit Cat Infantery.png
Cat Infantery. A W.Soldier with a Cat riding atop his snowball.
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MSAUnit Cat Mini UFO.png
Cat Mini UFO. A cat... in a Mini U.F.O..
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MSAUnit Cat Slug.png
Cat Slug. Rides on a SV-001.
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MSAUnit Cat Storage.png
Cat Storage. Summons an unlimited supply of random cat-types.
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MSAUnit Iron Nokameow.png
Iron Nokameow.

Daily Ranked Units

Weak units used in Daily Ranked events sometimes appear in alternate colours, and yield slightly more points when killed. These recolours may sometimes appear when summoned by other units, too (such as White Baby (Prototype)).

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MSAUnit Amadeus Robot (Silver).png
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MSAUnit Amadeus Robot (Gold).png
Amadeus Robot.
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MSAUnit Chowmein-Conga (Silver).png
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MSAUnit Chowmein-Conga (Gold).png
Chowmein-Conga.
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MSAUnit Girida-O(Silver).png
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MSAUnit Girida-O(Gold).png
Girida-O.
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MSAUnit Mini Hermit(Silver).png
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MSAUnit Mini Hermit(Gold).png
Mini Hermit.
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MSAUnit Gunner Unit (Silver).png
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MSAUnit Gunner Unit (Gold).png
Gunner Unit.
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MSAUnit Hazmat Soldier(Silver).png
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MSAUnit Hazmat Soldier(Gold)1.png
Hazmat Soldier.
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MSAUnit Invader(Silver).png
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MSAUnit Invader(Gold).png
Invader.
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MSAUnit Mummy(Silver).png
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MSAUnit Mummy(Gold).png
Mummy.
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MSAUnit Native(Silver).png
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MSAUnit Native(Gold).png
Native.
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MSAUnit Pirate Soldier (Silver).png
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MSAUnit Pirate Soldier (Gold).png
Pirate Soldier.
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MSAUnit Rebel Infantry(Silver).png
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MSAUnit Rebel Infantry(Gold).png
Rebel Infantry.
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MSAUnit Soldier(Silver).png
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MSAUnit Soldier(Gold).png
Soldier.
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MSAUnit Special Force (Silver).png
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MSAUnit Special Force (Gold).png
Special Force.
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MSAUnit SV-001(Silver).png
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MSAUnit SV-001(Gold).png
SV-001‎‎.
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MSAUnit Tar Man (Silver).png
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MSAUnit Tar Man (Gold).png
Tar Man.

Summoned Units

These are units which are usually available thru an another unit capable of summoning, however mostly they do not contain an "Icon" like most unobtainable units do.

Summoning

Unit

Units

Summoned

Notes
Beatriz Ice Statues Walls are summoned upon killing a unit or evading. The Playboy bunny Beatriz has triple the health of the regular Beatriz ice statues.
Blaze Bull Chan MSA Skill small +.png 4 increases the summoned unis count.
Cabrakan Pod This one differs from the obtainable one. (The one

summoned by Cabrakan MK II as well)

Hover Unit(Navy) Commander (Navy) can buff these units' stats.
80tM107 MSA Skill small +.png 4 simply increases the attack count of the summoned units.
Amadeus Bazooka

Soldier

This one differs from the playable version. The ones summoned by the Doctor(Brave Guerrier) are weaker and fires different projectiles in comparison.
Golden Amadeus Bazooka Soldier These units behave exactly the same as the parachute versions.
Force Shield MSA Skill small +.png 4 increases the summoned units count.
Snowball MSA Skill small +.png 4 increases the summoned units count.
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MSAUnit Giant Hunter Walker(Type-B).png
    
Gray Hunter Walker Upon its death as a wall, it summons grey hunter walkers with poison capabilities.
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MSAUnit Golden Mars Mecha.png
    
Young Hopper Mecha The Golden Mars Mecha can buff these units' stats.
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MSAUnit Golden Metal Rear EX.png
    
High Caliber Hard Cannonball MSA Skill small +.png 4 increases the summoned units count.
Mass Enlargement Elastic Shell MSA Skill small +.png 4 increases the summoned units count.
Golden Regular Bazooka Soldier, Golden Regular Shielded Soldier MSA Skill small +.png 2 and MSA Skill small +.png 3 buffs the respective units' stats, while MSA Skill small +.png 4 increases the summoned units count.
Marigold (Pumpkin Ice Wall) MSA Skill small +.png 4 increases the summoned units count. Any of her kills are converted into pumpkin walls as well.
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MSAUnit Hazmat Soldier(Gold).png
    
Man Eater Arche(Ver. gold) MSA Skill small +.png 4 increases the summoned units count for the special attack.
Sand Spirit MSA Skill small +.png 4 increases the summoned units count.
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MSAUnit Incognito HMT.png
    
Sand Spirit MSA Skill small +.png 4 increases the summoned units count.
Fridge MSA Skill small +.png 4 increases the summoned units count.
Assault Team (Girida-O+ P.M., Black Hound Type-R, and Bradley Ver.Rebellion) All of the summoned units' stats uses their predecessor's stats along with the Land Blowfish's skills.
Mummy The mummy is invulnerable.
Mechanical Tentacle The Mechanical Tentacle is immune to stun attacks.
Jet Cutter Head MSA Skill small +.png 4 allows Maya to provide a barrier.
Upright Hermit MSA Skill small +.png 3 simply increases the attack count of the summoned units.
Sand Illusion Summoned upon killing a unit with a long-ranged attack or via MSA Skill small +.png 3.
Laser

Sight Unit

MSA Skill small +.png 4 increases the summoned units count.
Machyna MSA Skill small +.png 3 allows Machyna to perform a suicide attack. Machyna is also invulnerable.
Machyna Machyna is invulnerable.
Special Forces Shield These Shielded Soldiers are only summoned via close range attack.
Jupiter King Head MSA Skill small +.png 3 increases the summoned units count.
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MSAUnit Special Lucy.png
    
The Gutsy Drill MSA Skill small +.png 4 increases the summoned units count.
Armor Unit(Abyss) Special Mira can also buff these units' stats.
Cracking Shield MSA Skill small +.png 4 increases the summoned units count.
Aerial Defense Unit Only summoned via MSA Skill small +.png 3.
Nowan Fission Special Nowan can also buff these units' stats.
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MSAUnit Special Professor.png
    
Metal Hopper MSA Skill small +.png 4 increases the summoned units count.
Machyna MSA Skill small +.png 3 allows Machyna to perform a suicide attack. Machyna is also invulnerable.
Demon

Buster Mortar

Demon Buster Mortar is invulnerable
Auto Mortar Auto Mortar is invulnerable
Snowball MSA Skill small +.png 4 increases the summoned units' Health Points.
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Navigationv t e
Game Modes Another Story | Attack!List of Standard MissionsList of Elite Missions | Battle and Team Battle | Combat School | Extra Ops / Guild OpsList of Extra Ops | Online | P.O.W. Rescue | Rank Match | Special Ops | Ultimate Mission | Battle Tactics
Features User Profile | Level and EXP | VIP | Build UpLaboratory | Unitsby IconTeamsUnobtainable | Stats | Itemsby StatsSpecial ItemsStatus StrengtheningEvent Items | GuildList of Guild Raid Stages | Daily Login | Daily Quests | Events | Power-Up | Quests | Mystery Crank | Treasure Hunt | Shops | Dream Lottery | Beginner Support Campaign
Extras Patch Notes | Music | Update History | Event Schedule
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