United Front the 37th Extra Ops

Extra Ops

List of Extra Ops

˅˃ Ops Types (Defunct)

Score Attack

Daily Ranked

Crank Key

Snatch Wars

United Front the 37th
Type	United Front
Ops Number	250
Version	6.11.0
Dates	September 1, 2021 - September 7, 2021
Duration	7 days
Previous	Gray Tiger
Previous (Same Type)	United Front the 36th
Next (Same Type)	United Front the 38th
Next	Cat Alyst

United Front the 37th is the two hundred and fiftieth Extra Ops introduced in Metal Slug Attack.

Introduced Units

Units	Faction	Rarity
Sweet Baby
V. Virus First Baby
Golden Monoeye UFO
Tar Man Gold

Expert Units

Expert Units	Get Unit
	Step Up Crank	✓			60%	120%	200%
	Pre-Acquisition	✓		30%	45%	60%	75%
	Pick Up!!	✓		15%	20%	25%	30%
	Extra Ops (Previous)	✓			10%	15%	20%
	United Shop	✓		6%	9%	12%	15%
		✓	2%	3%	4%	5%	6%

Stages

All stages have a one time bonus of 30 medals when completed.

Solo Attack

Difficulty	Enemies
		10	100
		20	220
		30	360

Party Attack

Difficulty	Enemies
		20	200
		40	440
		80	960

United Battle

Difficulty	Enemies
N/A	Random (other players' deck x2)	50	650

Shop

Apart from the MSP, each purchase is one-time only.

Daily Update

Each stock can only be bought once a day, resetting at 12:00 JTC.

Items
	500
	1,000
	2,000

Golden Monoeye UFO

Items		Quantity
	40,000	1
	150,000	1
	600,000	1
	18,000	3
	12,000	3
	6,000	3
	3,000	3

Tar Man Gold

Items		Quantity
	15,000	1
	30,000	1
	60,000	1
	90,000	1
	3,000	3
	2,250	3
	1,500	3
	750	3

 

Ultimate Items

Items		Quantity
	40,000	3
	15,000	3

Avatar Icon

Items
Golden Monoeye UFO	7,500
Tar Man Gold	7,500
Biene Goldenes Avatar	7,500
Biene Goldenes' Bees	7,500

Miscellaneous Items

Items		Quantity
	7,500	4
	800	3
	1,500	3
	2,000	3
	400	3
	1,500	3

Limitless

Unlimited amounts of MSP can be bought from the shop at any time during the duration of the event.

Items
10,000	50
100,000	500
1,000,000	5,000
10,000,000	50,000

Milestones

Solo Attack - Party Attack - United Battle

Points	Rewards	Total Rewards

3,000				1,000
15,000	100,000	100,000		1,000
30,000		100,000		1,000	500
60,000	200,000	300,000		1,000	500
90,000		300,000		1,000	500	500
150,000	300,000	600,000		1,000	500	500
300,000		600,000		1,000	500	500	500
600,000	400,000	1M		1,000	500	500	500
900,000		1M		2,000	500	500	500
1.2M	500,000	1.5M		2,000	500	500	500
1.5M		1.5M		2,000	1,000	500	500
1.8M	600,000	2.1M		2,000	1,000	500	500
2.1M		2.1M		2,000	1,000	1,000	500
2.4M	700,000	2.8M		2,000	1,000	1,000	500
2.7M		2.8M		2,000	1,000	1,000	1,000
3M	800,000	3.6M		2,000	1,000	1,000	1,000
3.3M		3.6M		3,500	1,000	1,000	1,000
3.6M	900,000	4.5M		3,500	1,000	1,000	1,000
3.9M		4.5M		3,500	1,500	1,000	1,000
4.2M	1M	5.5M		3,500	1,500	1,000	1,000
4.5M		5.5M		3,500	1,500	1,000	1,000	1
4.8M		5.5M		3,500	1,500	1,500	1,000	1
5.1M	1.1M	6.6M		3,500	1,500	1,500	1,000	1
5.4M		6.6M		3,500	1,500	1,500	1,500	1
5.7M	1.2M	7.8M		3,500	1,500	1,500	1,500	1
6M		7.8M		5,000	1,500	1,500	1,500	1
6.3M	1.3M	9.1M		5,000	1,500	1,500	1,500	1
6.6M		9.1M		5,000	2,000	1,500	1,500	1
6.9M	1.4M	10.5M		5,000	2,000	1,500	1,500	1
7.2M		10.5M		5,000	2,000	2,000	1,500	1
7.5M	1.5M	12M		5,000	2,000	2,000	1,500	1
8M		12M		5,000	2,000	2,000	2,000	1
8.5M		12M		5,000	2,000	2,000	2,000	2
9M		12M		7,000	2,000	2,000	2,000	2
10M		12M	500	7,000	2,000	2,000	2,000	2