Prototype is Radical Entertainment's open-world action game where you play as Alex Mercer in an infected New York City, shown here in the Xbox 360 version. From the main menu, open Extras and then Codes. The page contains the codes you need to enter, such as the one for the Body Surf ability. If the code is correct, a confirmation message appears on the screen, and you can try multiple codes in a row.
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Code and Unlockables
Body Surf ability: from the main menu choose "Extras", then "Codes" and enter Right(2), Left, Down, Up(3), Down.
New Game+: complete the story; you can replay it with all the powers and upgrades unlocked, but only at the difficulty you finished with (and lower ones).
Hard difficulty: complete the game on Normal. Platinum Events: get the Gold rank in all the events (some Radical events may also unlock).
Easy Experience
Infected water towers: steal a helicopter (requires Infected Vision, obtained later), activate Infected Vision and look for the glowing orange towers scattered around the city, especially in the infected zones (where the crows circle): they are towers with infected water that contain Hunters. Hit them with a rocket (a single direct hit is enough): each tower is worth 8,000 experience points (10,000 later in the game). With 200 rockets in an attack helicopter you reach about 1,600,000 points, and with the machine gun another 40 towers; the remaining rockets are for a hive. Steal another one and repeat: the towers regenerate.
As long as nobody recognizes you as an enemy, nobody attacks you while you do it. After about 500,000 experience points destroy the helicopter and repeat from that point.
Better landings: while jumping, use the sprint just before landing: if the fall is not too big you land at full speed.
From helicopter to helicopter (requires hijacking helicopters and Kick Jump): jump, use Kick Jump or the Whipfist to latch onto the first helicopter and press the event button to kill the pilot; fly as high as you can, choose the next target with the Targeting ability, jump out and repeat. If you fall, use the Whipfist immediately.
Bosses
Time Square boss: before the battle buy all the upgrades that allow 3 Devastator attacks on health and those from the "Consumer" menu. Under her health bar there are the stabilizers: they make her vulnerable only after you cut them. Avoid the scream attack by climbing a building, use the full-body armor and the claws/blade, maximize health by running and consuming. Climb a building, go toward her, come down and start the Devastator. The stabilizers' health increases with each round. When they are destroyed she falls and you can attack her normally; ignore the reinforcements. If you are low on health flee from her sight and consume. After she falls 3 times you have won.
Final boss: switch to the Blade Armor right after the cutscene; Infected Vision helps. Stay away until he starts jumping; after he lands attack with Blade Slash: after a few good hits he is stunned, grab him and punch him. If your health is critical use a Devastator to stun him.
Easy Achievements
Half Truths: in the mission in which you lead the Hunter Leader to Ragland, stay in the unclaimed sector in the middle of the map (between the two blue military zones to the east and west) so as not to attract the military's attention.
Misinterpretation: after regaining your powers, find an infected water tower and the corresponding building, climb onto the roof, use the flying kick and then a destruction combo (the Claws help).
Speed Bumps and The Butcher: after unlocking the tank, take it to a red zone and drive on the sidewalk: by running over more than 500 people with a single tank you get Speed Bumps; The Butcher requires 50 kills in 5 seconds.
The Cleaner: the military soften ten hives when you arrive: take a tank and destroy them.
Achievements (Gamerscore)
Story: Revenge Revisited (60, story on Hard); Hard To Kill (60, without dying); Nice Guy (40, 10 civilians consumed or fewer); Hunter, Specialist, Supreme and Mother: Crossing The T, Errand Boy, Children Of Blacklight, Instinct, One Thousand Suns (10-40, secrets); Hope and Origin (20, discover truths about the plot).
Collectibles and web: Streetwise (50, all the Landmark Collectibles); Eclectic (40, all the Hints); The First Thread (10); Self-Deception (20); Web of Knowledge (60, all the nodes); In The Web (20, 50 Web Objectives); Evolutionary Step (10) and Unnatural Selection (40, all the upgrades).
Destruction: Trail Of Corpses (30, 53,596 infected); Wrecking Yard (20, 2,000 vehicles); Gunning (10, 20 helicopters in one flight); Surface-To-Air (10, 50 helicopters with the armor); The Cleaner (20, 10 bases or hives); High Threat (20, 25 squads); Cleanup (10, 15 kills with one Whipfist).
Stealth: Half Truths (10, one mission without an army alarm); Humanity's Mask (40, 3 missions); In Plain Sight (10, avoid 10 response squads); Infiltrator (20, 10 bases as a commander).
Other: Au (40, Gold rank in all the events); Pt (60, platinum in all the events); Brain Trust (20, all the consumption events); Endless Hunger (10, 200 characters consumed for health); Salvage (10, 50 vehicles); PMI (20, all the vehicles); Misinterpretation (20, 25 infected towers destroyed before they hatch).
