Combat School (Mary & Lilly)

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Lilly (above) and Mary (below).

The Combat School is a special mode present in the standalone PlayStation 2 version of Metal Slug 6. Maryell "Mary" von Wittenberg and Riviera "Lilly" von Wittenberg are the instructors in this game.

Enrollment and Discharge

Playing any mission requires to first enlist in the army. Enrollment begins by selecting Office and then Enlist. The player enters their name, birthday, and blood type. Cancelling enrollment is simply selecting Back in the name entry screen.

Discharging is done by selecting Discharge and selecting the profile to delete. The instructor gives a final warning before confirming. The instructor's remarks when leaving depends on the rank.

Unlike other Combat Schools, the player can finish multiple missions beyond Mission 1 without completing the related missions from Arcade Game.

Pressing Select hides every text box on screen.

Mission

The player's goal is to clear twenty-six missions spread over the game's five missions. Each mission has an objective to clear. The player can access the next mission once the current mission is successfully cleared. Unless specified to only using the pistol, the player has unlimited ammo for special weapons.

Mission Objectives are as follows:

• Boss Destruction: Clear the mission.
• Item Collection: Collect at least 80% of the mission's items including those hidden before reaching the boss arena.
• POW Rescue: Rescue all POWs in the mission before reaching the boss arena. The number of POWs is the same no matter what route is taken.
• Pistol Only Run: Clear the mission without using special weapons. The player is allowed to use their special abilities, bombs, and Slugs.

Mary hosts challenges for Mission 1 to Mission 3; Lilly hosts challenges for Mission 4 and Mission 5.

No.	Mission Objective	Lives Given
Mission 1
1	Boss Destruction	3
2	Boss Destruction	0
3	Item Collection	3
4	POW Rescue	3
5	Pistol Only Run	2
Mission 2
6	Boss Destruction	3
7	Boss Destruction	1
8	Item Collection	3
9	Pistol Only Run	0
Mission 3
10	POW Rescue	3
11	Boss Destruction	3
12	Pistol Only Run	0
13	Item Collection	3
14	POW Rescue	0
Mission 4
15	POW Rescue	3
16	Boss Destruction	3
17	Boss Destruction	1
18	Item Collection	2
19	POW Rescue	1
20	Pistol Only Run	2
21	POW Rescue	0
Mission 5
22	Boss Destruction	3
23	Item Collection	2
24	POW Rescue	2
25	Boss Destruction	1
26	Pistol Only Run Item Collection POW Rescue	0

Result

View a player's stats per individual mission:

• Time: Fastest time to clear a mission.
• Score: Highest score in a mission.
• Tries: Number of attempts to clear a mission. Exiting out counts as a try.

Endings

There are three endings depending on the number of failures of each mission:

• Best Ending: Clear all missions without failing. Exiting out an incomplete mission counts as a failure.
• Lilly Ending: Clear all of Lilly's challenges (Mission 4 and Mission 5) with less than 10 failures.
• Mary Ending: Clear all of Mary's challenges (Mission 1 to Mission 3) with less than 10 failures.

Reaching one of these ending unlocks the respective image at the Image Gallery. Clearing Combat School once also unlocks the infinite weapon ammo ability option in the main menu.