This mod soundtrack from Metal Slug X

stealth - setup = Metal Slug X mission 5-3

control - buildup = Metal Slug character select

to choose in assault this = Metal Slug X - Mission 1-1 , Metal Slug X - Mission 3-1 , Metal Slug X - Mission 4-1 , Metal Slug X - Mission 5-1 , Metal Slug X - Mission 5-2 , Metal Slug X - Mission 6-2 and Metal Slug X - Mission 6-3 for now.

Beardlid is required
SuperBLT is required