Level 4 (PB:FttP)

Level 4 is a level in the Plazma Burst: Forward to the Past campaign. It introduces buttons to the player.

Plot
The Marine drops down the shaft into a locked room that is guarded by two soldiers. Once both enemies are killed, the Marine can open the door by pressing the button with the E key. After this section, the Marine goes down another shaft and more corridors, killing more soldiers in the process. Once the Marine kills all the enemies inside the first part of the base, he can proceed towards the four Grubs standing on blocks with pitfalls on either side. At the end, a lone soldier is in a small room filled with barrels,

Human Soldiers
This level introduces the yellow and red visored soldiers to the player. In total, there are 12 Human Soldiers on this level, each carrying an Assault Rifle C-01r or a Shotgun C-01s.

Grub
There are 4 Grubs in this level, all at the end part of the level. They wield Arm Cannons.

Trivia

 * This level contains the highest amount of non-armored Grubs.