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This page relates to the Metal Slug Attack unit. For more information about this unit in the main series, see Big Snail.

MSAUnitBronze
MSAUnit Big Snail
Big Snail
Rarity
MSA rarity Rare
Faction
MSD faction Independent 24px Independent
AP cost
MSA dot II 120
MSA dot III 116
MSA dot IV 112
MSA dot V 108
Optimal range
Short
Traits
Evasion
Invulnerability
Knockback
Playable since
1.0.2
In-Game Description
"Giant snails close to Morden Army's facilities. No one knows if they've been subject to experimentation."

The Big Snail is a unit appearing in Metal Slug Attack. Parts are currently available in the Guild Shop for 500 guild medals or on the occasional Independent Event Crank.

The Big Snail primarily attacks by spitting acid at the enemies. Having MSA Skill small + 3 gives it the potential to knockback its enemies. Its special allows it to protect itself and block incoming projectiles, giving it slight invulnerability frames.

The Big Snail can be compared to its other counterpart, the Amadeus Soldier (Shield). Having MSA Skill small + 4 allows it to get the chance to evade attacks, giving it more durability in the battle.

Stunning is the best way to counter Big Snail, as it prevents it from performing any invulnerability abilities. Alternatively, incendiary based attacks can be used, as it lacks incendiary resistance.

Attacks

Long Range

Attribute pistol Acid spit (Spread) - Spits acid at the enemies, has a chance of knockback via MSA Skill small + 3.

Special

Attribute pistol Protect - Hides from its escargot shell, protecting it from incoming attacks, has the chance to perform this attack via MSA Skill small + 4.

Stats

Health Attribute Resistance
Lvl MSA dot I MSA dot II MSA dot III MSA dot IV MSA dot V Attribute pistol
Kinetic
MSA resistance 1-Increased Increased
1 2400 2640 2904 3194 3513
10 3600 3960 4356 4791 5270 Attribute grenade
Explosive
MSA resistance 2-Normal Normal
20 4800 5280 5808 6388 7027
30 6000 6600 7260 7986 8784 Attribute fire
Incendiary
MSA resistance 3-Reduced Reduced
40 7200 7920 8712 9583 10541
50 8400 9240 10164 11180 12298 * HP might be increased by skills / items or buffs

Skills

Metal Slug Attack Units
MSA faction Regular Army Soldier | Utan | Marco | Tarma | Hyakutaro | 7000000taro | Eri | Fio | Nadia | SV-Camel | Ostrich Slug | Slugnoid | 6000000taro | Trevor | 8000000taro | Fio(Monkey) | Nadia(Monkey) | Marco(Monkey) | Trevor(Monkey) | Walter Rian | Tyra Elson | Regular Rocket Bomb Soldier | Pocket Marco | Trevor (Mummy) | Fat Tarma | Slug Mobile | Donkey Slug | Motorbike P.O.W. | Motorbike P.O.W. Ver.2 | Fat Eri | Bradley | Zombie Eri | Donkey Slug (Eri) | Fat Marco | Fat Fio | Anna Wiese | Snowwoman Nadia | Red Eye | Gimlet | Roberto Nicola | Ostrich Slug (Clark) | Slugnoid Type-B | Drill Slug | Zombie Nadia | Zombie Fio | Halloween Whip | Everlasting Summer Nadia | Special Trevor | Alisa Stewart | Nathalie Neo | Drill Slug Ver.2 | Slug Copter | Airbone Metal Claw | Slugnoid Type-Ikari | Zombie Tarma | Zombie Trevor | Metal Claw | SV-001 Experimental | SV-001 | Slug Armor | Everlasting Summer Rumi | Everlasting Summer Madoka | Protogunner | Elephant Slug | Special Eri | Everlasting Summer Eri | Christmas Eri | Everlasting Summer Fio | Special Nadia | Whip | Valentine Nadia | Leona | "Cat Ears" Leona | Clark | Ralf | Rumi Aikawa | Christmas Fio | MS-Alice | MSA (Marco) | Zombie Marco | Midori | SV-001 Type-R(Marco) | Madoka Aikawa | Jet Clark | Crazy Ralf | Lightning Fio | Orochi Leona | Slug Flyer | Regular Army Helicopter MKII | Regular Army Helicopter | Slug Gunner | Heidern | Augensterm | Elephant Slug (Battery) | Deformed Slug Gunner | Super Devil Tarma | Super Devil Marco | Super Devil Eri | Slug Gigant | Slug Gigant MK II | Rootmars Slug
MSA faction Rebel Army Rebel Infantry | Bazooka Soldier | Shielded Soldier | Rebel Rifleman | Paratrooper | Bikers | Rocket Bomb Soldier | Mortar | Arabian Soldier | Girida-O | F.Rebel Infantry | Gatling Soldier | LV Armor | MH-6 s | M-15A Bradley | Iron Iso | Di-Cokka | Arabian Fighter | Rebel Infantry (Wrath) | W.Soldier | Elite Arabian Fighter | Cabrakan Pod (Individual) | Mortar (Wrath) | Bazooka Soldier(Wrath) | Rebel Rifleman(Wrath) | Camel Rider | Flying Tara+ | Bodyguard (Rebel Infantry) | Bodyguard (Shielded Soldier) | Abul Abbas | Bodyguard (Rebel Rifleman) | Shielded Soldier(Wrath) | Dararin Dara Dara | MH-6 s Ver.F | Patrol Robot+ | Eaca-B | Scrap Cannon | Patrol Robot | Iron Iso II | Rebel Walker | Elite Arabian Camel Rider | Balor | Nop-03 Sarubia | Regimental MH-6 s | Girida-O Ver.F | Morden Bus | T-2B Melty Honey | Airborne Melty Honey | Elite Arabian Soldier | Special Abul Abbas | Big Gate | R-Shobu | R-Shobu Ver.F | R.R-Shobu | Subway | Special Vita | Everlasting Summer Abigail | Special Beatriz | Everlasting Summer Beatriz | Allen O'Neil | Formor | Parachuetruck | Mini Jupiter King | Aisha | Vita | Navy | Huracan | Gen.Morden Ver.Di-Cokka | Karn MK II | Nova | Shoe MK II | Shizuka | Shoe | Karn | Destrade | Beatriz | Rapid | Abigail | Iron Nokana | Hairbuster Riberts | Jupiter King MK II | Allen Jr. | Spacey Nokana | Iron Nokana MK II | Allen O'Neil (Wrath) | Hi-Do | Assy Nero MKII | The Keesi II | The Keesi III | Cabrakan MK II | Iron Vermilion | Emain Macha | Drache Macha | Tiger Macha | Jupiter King | Big Shiee | Dragon Nosuke+ | Bull Drill | Sergeant Drill | Rebel Gigant MK II | Iron Cab | Red Devil Morden | Hodumi+ | Crablops Type-F | Assy Nero | Rebel Gigant | Tani Oh | Donald Morden | Iron Sentinel | Crablops | Cabrakan | Kraken | Union
MSA faction Ptolemaic Army Guerrilla | Bazooka Guerrilla | Shielded Guerrilla | Guerrilla Mortar | Sniper | Special Force | Special Force (Rider) | Hover Units | Girida-O Ver. P.M. | Di-Cokka Ver. P.M. | Gunner Unit | MG Unit | Claw Unit | Flying Tara Ver. P.M. | Gunner Unit(Abyss) | Custom Vehicle | Hover Vehicle | A.P.C. (Special Force) | MH-6 s VER(P.M) | Guerrilla (Captain) | Sarubia II Ver.P.M | Ptolemaic Slug EX | Masked Soldier | Masked Soldier (Curse) | Special Caroline | Elite Hover Unit | Commander | Bradley Ver. P.M. | Sarubia Ver. P.M. | Special Dragunov | Ptolemaic Slug | Commander (Navy) | Elite Sniper | ShootingRay | Black Hound | Everlasting Summer Dragunov | Halloween Caroline | R-Shobu Ver. P.M. | Everlasting Summer Yoshino | Sisilia | Yoshino | Towa | Caroline | Veronica | Mira | Dragunov | Augensterm Ver(P.M) | Caro's Augensterm | Jupiter Queen (P.M.) | Metal Rear | Metal Rear EX | Union 03 Ver.P.M | Deep Sand Marine | Sand Marine | Ptolemaios (Abyss) | Ptolemaios (Curse) | Emerald Turtle | Stone Turtle | Ptolemaios
MSA faction Aliens Zombie (Woman) | Zombie (Man) | Zombie (Fattish Man) | Hopper Mecha | Scientist (Zombie) | Zombie (Rebel Soldier) | Flying Parasite | Mars People | Mini U.F.O. | Invader | Hunter Walker | Mars People Pocket | Clone Eri | UFO Invader | Mini U.F.O. (Secret Ver.) | Tar Man | Mars People Cadre | Halloween People | Vanguard(Type-A) | Ring Laser Mecha | Smasher | Lydia | Golden Hunter Walker | Tar Man (Red) | Tiny UFO Type:A | Flying Core | Mars People (Neo) | Mars People Elite | Clone Fio | Clone Fio (Zombie) | Winged Invader | Party People Elite | Halloween Percier | Ring Laser Mecha(Red) | Crab-Tank | Mars Mecha | Everlasting Summer Odette | Dai-Manji | Monoeye | Professor | Percier | Dark Monoeye | Odette | Annette | Nowan | Clone Abby | Mars Professor | Vanguard | Dai-Manji (Secret Ver.) | Brain Robot | Mars Brain Robot | Monoeye UFO | Rugname | Rootmars | Rugname X
MSA faction Independent Pirate Soldier | Chariot | Samurai Infantry | Chowmein-Conga | Bat | Native | Native (Bird) | Hazmat Soldier | Mutated Soldier | Man Eater | Sasquatch | Halloween Soldier | Japonese Assault Force | Samurai Tanks | Dog Mummy | Mummy | Hunged Mummy | Maggot | Huge Locust | Flying Killers | Samurai Plane | Amadeus Robot | Mini Hermit | Researcher | Pirate Assault Soldier | Pirate Soldier(Ghost) | Amadeus Rifleman | Amadeus Soldier (Shield) | Amadeus Bazooka Soldier | Samurai Infantry (Wrath) | Big Snail | Dangling Snail | Amadeus Corporal | Mummy Cat | Hazmat Soldier(Green) | Mini Caterpillar | Bear | Mummy Generator(Mummy Cat) | Lovely Mummy | Di-Cokka(Amadeus) | Special Amundsen | Ohumein-Conga(Green) | Ohumein-Conga (Red) | Sarubia (Amadeus) | Sol Dae Rokker(Origin) | Skull Snail | Slug Armor ver.yagami | Slug Armor ver.kusanagi | Dangling Huge Ivy | Mummy (Awakening) | Special El Dorado | Huge Ivy | Vatn | Morden Robot | Red Goblin | Scotia Amundsen | El Dorado | Mummy Warrior | Elena | Aileen | Esther | Elysion | Jin | Aswang | Cleopatra | Giant Caterpillar | Mecha Allen | Iron | White Baby (Prototype) | Doctor(Brave Guerrier) | Big John | Jade John | Hi-Do(Amadeus) | Huge Hermit | Skull Hermit | Prototype Iron | Toschka Dalanue II | Pharaoh's Arc | Tyrant Pharaoh | Sol Dae Rokker | Sea Satan+ | Toschka Dalanue | Ghost Shiee | Amadeus Type:γ | Amadeus Type:α | Sol Dae Rokker (Anima)

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