half life decay half life decay multiplayer expansion pack person shooter developed published decay released playstation version expansion pack like predecessors decay returns setting timeline original story albeit portraying story viewpoint different set protagonists women scientists working decay cooperative multiplayer game designed played people working pass game levels decay critical success received video game journalists reviewers felt game fun play friend puzzle oriented gameplay somewhat overall experience number reviews stated game simply felt little extra add playstation version group ukrainian developers unofficially ported game windows modification version gameplay case games half life series decay person shooter like original title based decay requires players engage combat hostile non player characters complete puzzle solving tasks advance game decay differs expansion packs designed cooperative multiplayer gameplay requires players work progress game levels complete puzzles arise game intended played people split screen mode decay played single player case player control character time switch characters quickly use character sufficient artificial intelligence defend left player half life players usually fight occasionally encounter friendly non player characters assist security guards scientists decay features levels case significant sections decay dedicated working friendly non player characters usually escorting objectives protecting array enemy characters game including alien human soldiers sent contain alien threat players access limited selection weaponry assist game developed non player characters weapons earlier expansion appear decay game unique context half life series game divided separate missions specific objective pursue instead consisting single narrative players perform mission ranked conclusion level grade score based player accuracy weapons number kills acquired damage sustained course mission players successfully complete game missions grades level given access bonus cooperative mission play pair ability play playstation version original plot decay set location half life half life takes place laboratory called situated remote desert new_mexico half life player takes role scientist involved accident opens inter dimensional portal allowing alien creatures attack facility player guides freeman attempt escape facility close portal ultimately traveling like previous expansions decay shows story perspective different set protagonists decay players assume roles doctors work freeman analyzing materials specimens retrieved prior experiments experiment causes alien invasion takes place work ranking members science team contain stabilize deteriorating situation decay begins arriving reporting day analysis unknown specimen despite objections pushing analysis equipment design capacities cross green assigned assist setting experiment freeman specimen scanning beam resonance cascade causing massive damage facility alien creatures base agree deal situation decide military assistance cross green escort surface sends distress signal military military ordered contain situation silence base killing employees stay meet military arrival cross green return reunited cross green work seal dimensional tear stop invasion military arrive try remove personnel alien force key equipment prevent second dimensional rift tasked preparing satellite launch satellite launched freeman tandem ground based equipment significantly weaken effects resonance cascade tasks cross green set prototype equipment displacement beacon satellite able seal dimensional rift beacon characters caught distortion caused rift despite cross green able return safely success mission provides background information explaining orange crystals rift sealing machine half life decay acquired final boss battle half life player controlled battle marines black underground complex find orange crystals military van point screen fades mission declared success presumed crystals cave development cooperative half life game alluded publisher november announcement playstation version time unclear cooperative version implemented developers experimenting finding balanced players build cooperative game game acquired title decay named scientific concept decay consistency scientific names previous titles convention provided demonstration main playstation game details released relating decay premise story confirming cooperative mode designed players game use new model sets showcased new models updated versions pack featuring higher numbers animation features facial expressions enhanced models twice detailed high definition pack higher quality original models half life media updates months following showed trailer game august sierra announced decay nearly complete submitted playstation manufacturer sony days entire half life playstation package achieved gold status october game released november october work begun group ukrainian developers port decay windows modification old current steam versions port relied discovery method allowed decay ps2 game files allowing files ported windows port went beta development stage december released publicly september port received journalists industry noted shame official version decay emerged british journalist stated fantastic short sweet lost episode ps2 version didn online play reception decay received weak overall positive reception video games industry critics writing gamespot argued decay impressive praising design puzzles required players work way ranking system discouraged players competing gamespy reserved views game describing great fun noted tedious member waiting minutes time head completes objective addition felt puzzle nature decay left action elements little muted compared gordon single player quest described decay added bonus playstation version noted game designed players significantly suffered single player attempts play switching characters point gamespy gamespot agreed review ign felt decay neat limited way distraction main game cup vegetable soup hot main dish new_york reviewer stated control scheme playstation version best seen ps2 console concluded decay nice add reason buy port
Half-Life: Decay