Layout: single, open-map with a circular shape, fully explorable from the beginning of the game.
Points of Interest (POIs): six distinct buildings, each housing one of the six alien adversaries. These POIs can be explored in any order. The level layout is designed so that the player can visit all of them without ever having to backtrack.
Health: restores the player character's health upon contact, provided they are not at full health.
Ammo: replenishes the player character's ranged weapon ammunition upon contact.