Killzone: Liberation is the continuation of the original Killzone for PSP. A such the story, characters, weapons, and such have stayed mainly the same. But don't be fooled, though the first Killzone was mediocre to say, this nice little hand held title shines as one of the best action/shooter game available for Sony's PSP.
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STORY
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The Story Begins two months after the events of the first Killzone. You assume the role of the franchise's hero, Captain Jan Templar who is sent back out onto the frontlines to rescue a stubborn Sgt. Rico Velasquez. After Templar rescues Rico they are sent off to destroy former ISA weapon bays that were taken from them during the invasion. After doing such, the young captain is ordered to rescue important ISA VIPs that are being held up by Colonel Cobar, also known as "White death" due to the number of people he has killed, many Helghans are afraid of him. Colonel Cobar is under direct command by one man, and one only. This man is none other than General Armin Metrac.
Though my little intro on the story my seem a little thin, the actual Killzone: Liberation Story is an interesting one, just not very filling for veterans of the series.
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GAMEPLAY
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This game features a top-down isometric view in contrast to the original Killzone game for the PS2, which was a first-person shooter. The resultant game can be seen as a mixture of a shooter and a dungeon crawler. As such, this new view gives you a heads up in the battlefield, so you are able to plan ahead before you make your attack!
By collecting various pickups in the form of money cases, the player unlocks new weapons to use in the game. These weapons can be found in various weapons caches in certain levels. After enough money is amassed, the V2 upgraded weapons become available. The weapons in the caches are also converted into the V2 upgraded versions. Some of the unlockable weapons are: The Helgast Assault Rifle, a machine pistol, a sniper rifle, a shotgun, a revolver, a crossbow and a chaingun (The ISA assault rifle is the default weapon). After downloading chapter five updates for the flamethrower and rocket launcher are available to unlock.
One of the many problems that people faced in the first killzone was the fact that the AI was just plan DUMB. This is very apparent for when you walk up to a helghast soldier's face and he just stands there. But in Killzone: liberation, the AI is surprisingly very complex. The enemy will actually move and flank you; they will take advantages if opened to them. The AI has really improved a great deal, so much so that you will find yourself having a hard time playing on the Hard difficulty against Colonel Cobar, you will die a minimum of 20 times(took me 44 tries to kill the guy!!)
I would also like to mention the inclusion of vehicles this time around! Yes that's right, during the course of the campaign you will find yourself behind the wheel of a hovercraft with machine guns and RPGs, a Heavy Tank, and a Dune Buggy with dual machine gun turrets. You will also strap yourself into a Jetpack that comes with a high powered rifle with unlimited ammo!
Killzone: Liberation also offers up the standard multiplayer matches, such as: Deathmatch, Team Deathmatch, CTF, and Assault(defend and destroy.) These matches can be played via locally with six other players or played with eight players via the infrastructure download.
There is also a co-op option, but co-op cannot be played over infrastructure.
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GRAPHICS
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The first Killzone may not have been the best game around, but it did do something right, and that would be in its graphics. What i mean by graphics is the art direction of the game. The art direction brilliant and really gave you the feel of being on a war torn planet. Killzone was one of the better looking FPSs on the PS2 at its time.
Killzone: liberation remains true to this. The art direction remains the same as the first, and has never looked better. The PSP is an amazing machine, for Killzone: Liberation not plays well, but looks good too!
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DOWNLOADABLE CONTENT
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Killzone: Liberation does support downloadable content, such as infrastructure mode so you can play online, and a whole new chapter to play on campaign or co-op!
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CLOSING
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Killzone: Liberation is a great title for the PSP and really improves on all of Killzone 1's faults. The only problem with this game is the fact that not many people have heard about it because of the fact nobody has a PSP, but seriously, if you have a PSP, you should check this out! Anyone at all that is interested in an intense shooter for on-the-go, should pick this title up.

The Gamer's Network posts an extensive list of the top 10 greatest PSP games of all time.
Vice city stories was amazing, I remember owning vice city with all prostitution rings lmao
That red PSP always looked beast. xD Its games are the best for mobile entertainment. Something the Vita surely needs currently.
Really great choices but I would've swapped out liberation with Disgaea or a persona game... PES 3 was amazing on vita...too bad there was no free roam:(

With the HD trilogy edition of Killzone set to release next month, OnlySP takes a look at the each entry in the series to gauge whether it might be a worthwhile purchase for anyone that hasn't played them all before.
although i liked part 3 as well, killzone 3 removed alot of things that made kz2 so great. thanks to all the requests from the gamers who played killzone 2, and judging by the sales of kz3, never came back for part 3. a shame really
I love killzone series, part 2 is my favorite but I also love part 3, waiting for killzone HD
I'll give my honest unbiased assessment of the Killzone series.
Killzone 1- decent game held back because of the PS2 hardware, and overwhelming hype
Killzone 2- A solid shooter, was blown away by the visuals when I saw it, never saw anything like it, Multiplayer was great to had allot of fun with it.
The Problem is the game didnt really go as far as it needed to be a classic shooter. Also the game didn't know whether it was an arcade shooter or a tactical shooter, it shoudld have opted for the latter.
Killzone 3- A big dissapointment in my opinion a game with zero ambition, it tried to be like COD , fair enough but why didnt it go all the way, why do COD games offer more features modes and maps, why include 3d and move support a feature most ps3 owners don't have yet not include a much needed feature like online co-op ? wtf if anyone wants to no more about why i dislike this game PM me i'll write you a book.
Overall the Killzone franchise is a decent yet forgettable gaming series , Killzone 2 was the shining star but this is mainly due to the MASSIVE support that game received with a budget of 45 million dollars its one of the most expensive games ever made. I personally think the problem is with the developer, if not for the gargantuan support received by sony's gaming division, the series would have been swept in to obscurity, yes imo GG is an overrated dev.
Im expecting great things from :this HD upgrade. Killzone 1 had a good story, characters and weapon sounds and reload animations.
Along with the bots in Battlefields, I think that any Kz fan who hasn't yet played it is in for a pleasant suprise.

The PS Vita has been in the hands of gamers for about two months in the US, Europe and Australia. There are still many of you that don’t know how to use the thing.
Here is a short list of the 10 most useful tips (+1 user submitted tip) you need to know about Sony’s little big handheld. How many of these tips do you already know?
Point 2 is irrelevant, an update has been released so that your downloads still carry on even if you manually go into standby
i dontknow if anyone knows this but if you hold down L while on the browser, it stops the page from going up or down and lets you highlight stuff. just saying.