Word just through from Sony that Monday, May 21st will see the release of the free download pack for Killzone: Liberation. This pack will be available from the PSP download service as well as the new www.Killzone.com site, which will go-live on Tuesday 8th May.
Pack contents:
Continuing the storyline (more than 2 hours of gameplay)
4 new missions with new environments (also playable in co-op)
New enemies, challenge games, vehicles and boss-fights
Infrastructure play of all multiplayer maps (max. 6 players)
2 new arena’s
2 player ‘head to head’ mode
Headset support
Unlock additional content both in-game and on Killzone.com
Killzone: Liberation is also re-releasing on the PSP Platinum range later this month for the hot price of just $34.95!
Via GPStore