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Prototype Guide

2009 · Open-world action

Digital cover

Prototype digital cover
Original Prototype title artwork shows hooded Alex Mercer with a transformed arm.

Game guides

Find the guide you need
GuideWhat you will find
Alex attacks a large infected creature with an extended tendril-like weapon as a helicopter flies behind him.PowersCompare Alex's offensive and defensive power roles.
Alex leaps above city rooftops with his arms extended.Disguise and consumeUse identity changes and memories as separate tactical tools.
Alex descends toward a city street with his arm transformed into a large blade.Movement and eventsBuild traversal skills that help both exploration and survival.
Alex fights armored soldiers on a burning city street.Web of Intrigue and New Game PlusTrack memories, statistics and a replay after the campaign.
Alex leaps above city rooftops with his arms extended.Characters and factionsIdentify Alex's contacts, Blackwatch and Gentek.

At a glance

Three useful starting points
FocusWhat to know
Buy movement you will useTraversal upgrades help both escape and timed events.
Break observation before disguisingA witnessed transformation can defeat the purpose of a new appearance.
Match the attack power to the targetWhipfist reach, Hammerfist impact and Claws solve different encounters.

Characters Character guide →

Key characters and their roles
CharacterRoleAt a glance
Alex MercerPlayable shapeshifterSearches for his origins during the Manhattan outbreak.
Dana MercerAlex's sisterProvides information and a safe point of contact.
Karen ParkerScientistConnected to Alex's past and the infection investigation.
Dr. RaglandPathologistHelps investigate infected biology.
Robert CrossBlackwatch officerPursues Alex during the military response.

Quick answers

Unlocks, routes and useful answers
TopicGo straight to
PowersOffensive power roles →

Pictures All pictures →

Alex leaps above city rooftops with his arms extended.
Alex leaps above city rooftops with his arms extended.
Alex descends toward a city street with his arm transformed into a large blade.
Alex descends toward a city street with his arm transformed into a large blade.
Alex attacks a large infected creature with an extended tendril-like weapon as a helicopter flies behind him.
Alex attacks a large infected creature with an extended tendril-like weapon as a helicopter flies behind him.
Alex fights armored soldiers on a burning city street.
Alex fights armored soldiers on a burning city street.
References
Guide references
ReferenceWebsite
Prototype: game and edition overviewstore.steampowered.com