The game is viewed from a first-person perspective. The player explores interconnected areas, searches containers and locations, collects equipment, interacts with objects, and fights hostile creatures or opponents.

Progress depends on solving environmental problems, managing an inventory, and using appropriate items at the right time. Exploration and survival are more important than a simple stage-by-stage score attack, and mistakes can be costly because resources and health require careful management.

Search each area thoroughly before moving on, especially for equipment and objects that may be needed later.

Conserve ammunition and medical supplies. Avoid unnecessary fights when exploration or item use can solve the immediate problem, and keep the inventory organized so important tools can be found quickly.