2 near the center: right up to Labyrinth; left up to We Can See in the Dark, Can You?
Objectives:
Dead German Soldier: near the Saving Zone
Dead German Soldiers(MP-41): N center, before the Beige Locked-Door Room with the Yellow Arrows
Alien Pipes: with one of the Dead German Soldiers
Red Cloak: in the Beige Locked-Door Room with the Yellow Arrows
Clear Blue (Healing) Potions & Thick Brown (Poison) Potions: in the Beige Locked-Door Room with the Yellow Arrows
Problem(s): Hordes of miscellaneous monster after Beige Door
Solution(s): Bubbling Red Potion of Time Slow or Corner defense tactics with Orange crystal: Step on the Green Arrows while facing 90 degree from the doors; run back straight toward one of the corner as soon as one steps on the Green Arrows; commencing shooting at the sides of targets as they rush out of the door; pay attention to hit points/drink Healing Potion when necessary; after the slaughter of the initial onrush/wave of the horde, more will wait on the other side of doors; change facing now in order to be able to peep into the door at some monsters in order to fry them with the orange crystal/ get ready to retreat back right after the zapping; eventually all monsters will rush out to meet their fate.