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Easy Damage Amplification
In the 'Heatray' level in Multiplayer Deathmatch mode, after the Dark Walker drops, destroy it to get a Damage Amplification.
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Play as Alanna (Necris)
At the custom character screen, press Y, then enter '
phayder' as a code to unlock Alanna (Necris).
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Achievements
Do the following things to obtain the corresponding Gamerscore points:
| 10 Points |
| Being a Hero | Return 100 Orbs in Warfare matches. | | | Strongest Link | Get the 'Shaft Master' award in 10 matches. | | | Shard-o-matic | Get the 'Blue Streak' award in 10 matches. | | | Hammerhead | Get the 'JackHammer' award in 10 matches. | | | Brain Surgeon | Get the 'Head Hunter' award in 10 matches. | | | Delivering the Hurt | Have over 20 minutes of 'UDamage Time'. | | | Lock and Load | Finish Chapter 1. | | | Survival of the fittest | Have over 10 minutes of 'Invulnerable Time'. | | | Seeing Red | Have over 20 minutes of 'Berserk Time'. | | | Big Game Hunter | Get the 'Big Game Hunter' award in 10 matches. | | | Goo God | Get the 'Biohazard' award in 10 matches. | | | Ace | Get the 'Top Gun' award in 20 matches. | | | Be victorious inning is the only thing | Finish with the highest points in a Ranked match. | | | Just warming up | Finish playing a 'Versus' Ranked match. | | | Armadillo | Get the 'Roadkill' award in 10 matches | | | Never Saw it Coming | Have over 20 minutes of 'Invisibility Time'. | | | Don't taze me bro! | Get the 'Combo King' award in 10 matches. | | | Killjoy | End sprees in 20 matches. | | | Off to a good begin | Get the 'First Blood' award in 40 matches. | | | Pistolero | Get the 'Gun Slinger' award in 10 matches. | | | I see how it is | Finish an Instant Action match in every game mode. | | | I need some backup | Finish 1 mission in co-op. | | | 20 Points | | Lets get it on | Finish a multiplayer match in every game type. | | | Connect the dots | Finish 100 Warfare matches played to at least 3 points. | | | Flag waver | Finishd 100 CTF matches played to at least 3 captures. | | | Have a nice day! | Get the 'Rocket Scientist' award in 10 matches and 'Flak Master' award in 10 matches. | | | Untouchable | Reach 20 kills against a god-like bot in instant action without dying. | | | Paint the town red | Finish 100 Deathmatch or Duel matches played to at least 20 kills. | | | Equal opportunity destroyer | Be victorious in a Ranked match in every game type. | | | Thirty minutes or less | Finish 100 VCTF matches played to at least 3 captures. | | | Serial killer | Get the 'Killing Spree' award in 20 matches. | | | Hat trick | Achieve a Hat Trick in 10 CTF or VCTF matches. | | | Sir Slays a Lot | Get the 'Monster Kill' award in 20 matches. | | | Spice of life | Play a match with every mutator, using only 1 per match. | | | Got your back | Finish 10 missions in co-op. | | | Around the World | Be victorious in a multiplayer match on every map. | | | 30 Points | | Not in Kansas any more | Finish Chapter 4. | | | Bag of bolts | Finish Chapter 3 in Insane. | | | Open war | Finish Chapter 4 in Insane. | | | Does not compute | Finish Chapter 3. | | | Just business | Finish Chapter 2 in Insane. | | | Soldier's blood | Finish Chapter 2. | | | 40 Points | | Like the back of my hand | Acquire every power up on every map. | | | Thanks to all the little people | Finish a campaign in co-op. | | | 50 Points | | Get a life
| Get 200 kills in multiplayer on 50 different days. | | | Ranked Champion | Be victorious in 500 Ranked matches. | | | 60 Points | | Fear the Reaper | Overcome Akasha and complete the campaign in Insane. | | | I'm not on a holy war | Overcome Akasha and complete the campaign. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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Play as Ariel (Iron Clad)
At the custom character screen, press Y, then enter '
jihan' as a code to unlock Ariel (Iron Clad).
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Bonus characters
Successfully complete the indicated task to unlock the corresponding character:
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Open mic
Use the following trick to talk with your headset more effectively instead of keep pusheding D-pad Right. Keep pushed D-pad Right, unplug your headset, reinsert your headset, then release D-pad Right. If done correctly, the microphone symbol should stay on screen, and you no longer have to keep pushed D-Pad Right to talk.
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Special walls in Deimos map
There are orange and green looking energy/grainy appearing walls that you can walk through as well as shoot through. There are two of these orange walls that are circular in shape at the top of the map that allows you to reach a sniper rifle.