Half-Life: Decay is an add-on included in the PlayStation 2 port of the first-person shooter game Half-Life.

Decay returns to the setting and timeline of the original story, but with different player characters: two female colleagues of Gordon Freeman, named Gina Cross and Colette Green. Dr. Cross is the model for the Hazard Course hologram, and can be seen at a point in Blue Shift. Dr. Green is a new character invented for Decay.

Unlike the other narrative-based Half-Life games, which are single player only, Decay is designed for co-operative play. While it can be played by one person, swapping between the roles of Dr. Cross and Dr. Green, the game is intended to be played by two players in split-screen. Various puzzles and combat situations throughout the game require the co-operation of the two characters.

The game is also unique in the context of the Half-Life series by being the only game divided into separate missions, instead of a single unbroken narrative.

Decay has a ranking system for all of its nine missions, ranging from F (worst) to A (best), based on accuracy, number of enemies killed, and damage taken. If all nine missions are achieved with an A level, a bonus mission, Xen Attacks, can be played as a pair of Vortigaunts, R-4913 and X-8973.

Source.

Platform

PlayStation 2

Developer(s)

Gearbox Software

Publishers(s)

Sierra On-Line

Genres(s)

First Person Shooter

NA Release Date

November 14, 2001

ESRB Rating

Mature 17+

MVGL User Score

7.1 by 25 user(s)

MVGL Difficulty

2.6667

Composer(s)

Ben Houge

Added by

43 User(s)

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