Get to the end of Mission 2! [No Level Skip]

Get to the end of Mission 2 without firing your gun. [No Level Skip]

Swap characters during a level.

Obtain the Heavy Machine Gun.

Obtain the Rocket Launcher.

Obtain the Flamethrower.

Walk over a hole in the bridge in Mission 2.

Complete Mission 1. [No Level Skip]

Finish Mission 1 without dying. [No Level Skip]

Beat the Mission 1 boss with the Rocket Launcher. [No Level Skip]

Destroy 2 helicopters with the Heavy Machine Gun without dying. [No Level Skip]

Beat Mission 1 using only the Pistol. [No Level Skip]

Take out the first helicopter with the Flamethrower.

Beat the Mission 1 boss with the Heavy Machine Gun. [No Level Skip]

Walk through an electric fence in Mission 2.

Beat Mission 1 without dying or picking up weapons. [No Level Skip]

Rescue 6 POWs on Mission 1 and Defeat the Boss. [No Level Skip]

Get to the end of Mission 2 (Starting from Mission 1) in two and a half minutes or less. [No Level Skip]

Beat both missions as Tarma. [No Level Skip] [Select Character from Character Selection Screen] (See Comments)

Collect all 3 weapon types without dying. [No Level Skip]