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Mystery Crank (Metal Slug Attack)

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Mystery Crank is a new premium-oriented way of obtaining Units and Items introduced in Metal Slug Attack, even though MSD currency MSP MSP and free options are available. Its use is walked through during the tutorial at the beginning of the game. Each type of cranks can be spun either 1 or 10 times (with a discount) at a time.

MSA Daily Daily quests offer EXP 80 and MSD currency MSP 5,000 [as of 1.3.0] for using any crank once.

MSP Crank

MSA crank MSP

"By consuming MSP, any items are to come..." ~in-game description

As the name implies, this crank takes in exclusively MSD currency MSP MSP payments:

Spins MSA currency MSP
1 10,000
10 90,000
(-10%)

This crank offers scheduled free spins (x1) in regular intervals throughout the day:

  • 0700 - 0900 hours.
  • 1200 - 1400 hours.
  • 1500 - 1700 hours.
  • 1800 - 2000 hours.
  • 2200 - 0000 hours.
MSA banner crank MSP 1.0.2
Chance
(x1)
MSA Mystery Crank Drop
~3.3% x10

MSA unit --- part MSA rarity Normal

~32.8% x3

MSA unit --- part MSA rarity Normal

~21.3% x3 MSA item II -qstn-
~42.6% x8 MSA item I -qstn-

Medal Cranks

Pick Up!!!

Occasionally, SNK will have a Super Rare unit selected as the "Pick Up!!!" of the crank.

When this happens, that unit has a greatly increased chance of being the player's reward from their crank(s).

Standard Medal Crank

MSA crank Medal

As the name implies, this crank takes in exclusively MSA currency Medal compressed Medal payments (Number of free spin restarts at 4 AM [as of 1.17.0]:

Spins MSA currency Medal
1 300
10
(guarantees a Super Rare [as of 1.4.0] unit or 80 parts of an obtained Super Rare unit.)
2,600
(-13.3%)
MSA banner crank Medal 1.0.2
Chance
(x1)
MSA Mystery Crank Drop
?? x30

MSA unit --- part MSA rarity Super Rare MSA rarity Rare

?? x10

MSA unit --- part MSA rarity Super Rare MSA rarity Rare

?? x1 MSA item V -qstn-
?? x1 MSA item IV -qstn-

MSA crank VIP

VIP Crank

This crank is unlocked upon reaching VIP Level 11 (20,000 VIP EXP) and offers 1 free spin every 24 hours [as of 1.3.0] after reaching VIP Level 14 (80,000 VIP EXP). Prices are identical to the Medal Crank, however drops are much better.

Spins MSA currency Medal
1 300
10
(guarantees a Super Rare (or 80 parts of an obtained Super Rare) [as of 1.4.0] unit and a Platinum item [as of 1.4.0])
2,600
(-13.3%)
MSA banner crank VIP 1.2.0
Chance
(x1)
MSA Mystery Crank Drop
?? x80

MSA unit --- part MSA rarity Super Rare

?? x30

MSA unit --- part MSA rarity Super Rare MSA rarity Rare

?? x10

MSA unit --- part MSA rarity Super Rare MSA rarity Rare

?? x1 MSA item V -qstn-
?? x1 MSA item IV -qstn-

MSA crank Event

Event Crank

Introduced in 1.3.0, this limited-time crank drops units exclusively and at a cheaper price than the Medal Crank, however units of all rarities are available - even those available in the MSP Crank. Performing 10 spins guarantees at least 30 parts of 2 Super-Rare units.

Spins MSA currency Medal
1 200
10
(guarantees a unit)
1,800
(-10%)
MSA banner crank Event 1.3.0
Chance
(x1)
MSA Mystery Crank Drop
?? x30

MSA unit --- part MSA rarity Super Rare MSA rarity Rare

?? x10

MSA unit --- part MSA rarity Super Rare MSA rarity Rare MSA rarity Normal

?? x5

MSA unit --- part MSA rarity Normal

Triple Event Crank

With the release of the 2.0.0 update, the Event Crank now has three "Pickups". In addition, the Event Crank only offers units from one faction depending on the units being showcased at the time:

  • Regular Army Crank:
    • Special Nadia
    • "Cat Ears" Leona
    • MS-Alice
  • Rebel Army Crank:
    • Abigail
    • Beatriz
    • Allen O'Neil (Wrath)
  • Ptolemaic Army Crank:
    • Yoshino
    • Dragunov
    • Caroline
  • Alien Army Crank:
    • Professor
    • Odette

Box Crank

Introduced in 2.0.0, the Box Crank is a new crank added to the game. Different from other cranks is that the award list has 500 rewards, ranging from Super Rare unit parts to Silver Tier items, all with the same probabilities. As a reward has been collected, it is then taken off the list and thus wont show up again. Players are able to reset their box crank back to 500, allowing them to gain more units and items from the crank. In rare occasions, a Gold Genie may appear. This means that all ten rewards will be unit parts. This crank can also guarantee Extra Ops units.

For every 100 spins, a special avatar is rewarded to the player.

Spins MSA currency Medal
10 800
Chance
(x10)

Parts

MSA Mystery Crank Drop
?? Varies

MSA unit --- part MSA rarity Super Rare MSA rarity RareMSA rarity Normal

?? x1 MSA item V -qstn-
?? x1 MSA item IV -qstn-

Trivia

  • As of 1.16.1, all of the "Rare" units in both Medal and VIP crank were removed, and were replaced with the pack shop units.
Metal Slug Attack
Game Modes Another Story | Attack!List of Standard MissionsList of Elite Missions | Battle and Team Battle | Combat School | Extra OpsList of Extra Ops Stages | Online | P.O.W. Rescue | Special Ops
Features Level and EXPVIP | Build UpUnitsby IconTeamsStatsItems | GuildList of Guild Raid Stages | Daily LoginDaily QuestsEvents | Power-Ups | Mystery CrankTreasure Hunt | Shops
Extras Patch Notes

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