PlayStation Plus owners were treated to Stacking for free, for now. They also got access to the Killzone 3 single-player demo a week earlier than everyone else. The KZ3 demo comes in 2D and 3D editions, with the former being downloaded automatically.

Regular users received demos for Stacking, The UnderGarden, Tetris and others.

On the downloadable content front, the update added the Pink Knight for Castle Crashers, and goodies for other games including Mass Effect 2, Test Drive Unlimited 2. The full store update listing follows below.

PlayStation Plus

Automatic Download
Killzone 3 Single Player Demo (Free and exclusive to PlayStation Plus subscribers)

Featured Game
Stacking (Free to PlayStation Plus subscribers, regular price $14.99)

Featured Demo
Killzone 3 Single Player 3D Demo (Free and exclusive to PlayStation Plus subscribers)

Featured Qore Episode
Qore February Episode 33 (Free to PlayStation Plus subscribers, regular price $2.99)

Featured Avatars
Pocket Fighter - Sprite Avatars (x6) (Free to PlayStation Plus subscribers, regular price $0.49 each)

Updates

Super Puzzle Fighter II Turbo - Sale (PS3) (now $4.99, original price $9.99)
DC Universe Online 3 Month Subscription - Sale (PS3) (now $29.99, original price $41.99) **Subscriptions available only to purchasers of the game
Ultimate Board Game Collection - Price Change (PSP) (now $7.99, original price $9.99)
Blimp: The Flying Adventures - minis - Price Change (PS3/PSP) (now $1.99, original price $4.99)
Flying Hamster - minis - Price Change (PS3/PSP) (now $2.99, original price $5.99)
Fortix - minis - Price Change (PS3/PSP) (now $0.99, original price $4.99)

Qore

Qore Episode 33: February 2011 ($2.99, free for PlayStation Plus subscribers)
Presented by the PlayStation Network leads off with an in depth look at Killzone 3, touches 'em all with the MLB 11 The Show, explores the greatest all time villians on the PS3 and laces up the gloves with Fight Night Champion.
File size: 1.38 GB

Qore Annual Subscription - February 2011 ($24.99)
Qore: Presented by the PlayStation Network is a high-definition monthly interactive video production covering the world of PlayStation. Qore provides its audience with exclusive behind-the-scenes access to upcoming titles from both the SCE Worldwide Studios and the third-party developers across the globe.
File size: 1.38 GB

Downloadable Games

Explodemon ($9.99)
The universe's most destructive 'hero' is about to become its only hope. Explodemon is adrenaline-pumping retro platforming brought kicking and screaming into the modern age! Download now and see for yourself!
ESRB Rated E
File size: 1.24 GB

Tales From Space: About a Blob ($14.99)
Tales from Space: About a Blob is a side-scrolling puzzle-platformer about a race of insatiable alien Blobs. Looking for their next meal, the blobs end up on a distant Earth-like planet that didn't invite them for dinner. Absorb delicious humans, farm animals and eventually THE WORLD!!! Download the Game today!
ESRB Rated E
File size: 283 MB

Stacking ($14.99)
From Tim Schafer's Double Fine Productions, explore a vintage world inhabited by living Russian stacking dolls as you jump into more than 100 unique dolls and use their special abilities to solve a wide variety of puzzles & challenges. Play as Charlie Blackmore, the world's tiniest Russian stacking doll, and embark on an adventure to rescue Charlie's family from the nefarious industrialist known only as the "Baron."
ESRB Rated E10+
File size: 1000 MB

Plants vs. Zombies ($14.99)
Get ready to soil your plants with multiplayer action! A mob of fun-loving zombies is about to invade your home. Defend it with an arsenal of home-guardin' plants to mulchify zombies before they reach your front door. Get twice the zombie-zapping action with 2-player Versus and Co-op modes. We're loaded with seven game modes, new rabble-rousing features, and unlimited replayable action... so the fun never dies!
ESRB Rated E10+
File size: 92 MB

Game Demos (free)

Undergarden Demo
Challenge your mind in the wondrous depths of The UnderGarden by downloading this trial. Plunge into a unique new world exploring large underground caverns, encountering mysterious creatures to befriend or avoid. Solve mind-bending brainteasers and puzzles as soothing tunes accompany you on your journey through 20 distinct levels of state of the art 3D graphics. The UnderGarden offers a mental challenge and aesthetic experience like nothing else.
ESRB Rated E
File size: 321 MB

Hoard Demo
YOU ARE THE DRAGON in HOARD, a fast-paced arcade action-strategy title from Big Sandwich Games. Burn villages, roast knights, and capture princesses for ransom in your quest to gather a huge pile of glittering treasure! Conquer dozens of unique miniature fantasy kingdoms across multiple game modes. 1080p HD display! Full game supports 1-4 players, including Co-Op! Demo supports 1-2 players through local multiplayer.
ESRB Rated E
File size: 158 MB

Tales From Space: About a Blob Demo
Tales from Space: About a Blob is a side-scrolling puzzle-platformer about a race of insatiable alien Blobs. Looking for their next meal, the blobs end up on a distant Earth-like planet that didn't invite them for dinner. Absorb delicious humans, farm animals and eventually THE WORLD!!! Download the Demo today!
ESRB Rated E
File size: 283 MB

Tetris Demo
THE AWARD WINNING BLOCKBUSTER - ALL NEW FOR the PlayStation 3 system! Experience the boldest, most vibrant TETRIS ever with enhanced 1080P HD graphics, 5.1 Surround Sound, 6 multiplayer modes, and 3 brand new game modes that are exclusive to the PS3!
ESRB Rated E
File size: 74 MB

Stacking Demo
Demo for Stacking. From Tim Schafer's Double Fine Productions, explore a vintage world inhabited by living Russian stacking dolls as you jump into more than 100 unique dolls and use their special abilities to solve a wide variety of puzzles & challenges. Play as Charlie Blackmore, the world's tiniest Russian stacking doll, and embark on an adventure to rescue Charlie's family from the nefarious industrialist known only as the "Baron."
ESRB Rated E10+
File size: 1000 MB

PSone Classics

Pocket Fighter ($5.99)
Play as your favorite Capcom characters in this super cute fighting game! Download this PSone Classic today!
ESRB Rated T
File size: 159 MB

Reel Fishing II ($5.99)
Welcome to the Most Incredible Fishing Experience Ever! Reel Fishing II offers a magnificent 3-Dimensional fishing experience with amazing lifelike fish and a variety of environmental sounds. Catch, keep and care for your fish in three fully equipped aquariums. Relax and enjoy the realistic world of Reel Fishing II. Download this PSone Classic today!
ESRB Rated E
File size: 227 MB

Harvest Moon: Back to Nature ($5.99)
It is up to you to successfully rejuvenate a farm and build a life for yourself with family and friends. Plant and harvest crops, raise farm animals, marry the woman of your dreams and start a family...create your own pastoral adventure! Download this PSone Classic today!
ESRB Rated E
File size: 68 MB

Add-on Game Content

Test Drive Unlimited 2: Audi Q7 V12 TDI Quattro - TDU2 Inuit Edition ($0.99)
This model features an exclusive and unique paint job. An exclusive shirt for your avatar is also provided with this model.
File size: 100 KB

Test Drive Unlimited 2: Bugatti Veyron 16.4 Centenaire ($0.99)
This model features black carbon fiber with polished aluminum with unique rims which were inspired by the historical Bugatti models. Exclusive avatar shirt provided.
File size: 100KB

Test Drive Unlimited 2: Bugatti Veyron 16.4 Grand Sport Sang Bleu ($0.99)
Features blue carbon fiber with polished aluminum. Rims inspired by the Grand Sport Roadster, highlighted in a midnight blue with a diamond cut two-tone finish. Exclusive avatar jacket provided.
File size: 100KB

Test Drive Unlimited 2: Casino ($9.99)
Test your luck on Roulette and several different types of Slot machines. Confront other players at Poker Texas Hold'em and participate in tournaments. Be the best driver on the Casino Island races! Compete to unlock TWO EXCLUSIVE CARS: an Audi R8 Spyder 5.2 FSI quattro and a Spyker C8 Aileron Spyder. Win other exclusive prizes: furniture for your house, stickers for your car and clothes for your avatar.
File size: 257 MB

Test Drive Unlimited 2: Ferrari 599 GTB Fiorano China Edition ($0.99)
Specifically created for the Chinese market this model features an exclusive porcelain paint color, an exclusive leather interior and a redesigned dashboard. An exclusive leather jacket for your avatar is also provided with this model.
File size: 100KB

Test Drive Unlimited 2: Nissan 370Z Optional Parts ($0.99)
A bright yellow 370Z with big, black graphics, with a set of 19"Rays Alloys. The inside is all black leather and Alcantara. Exclusive avatar shirt provided.
File size: 100KB

Castle Crashers - Pink Knight Pack ($1.99)
Born out of popular demand, rumor, and Tom Fulp's Beard, the Pink Knight is ready to bring the love in. Add the playable Pink Knight plus 5 additional weapons. Warning: Adorable
File size: 100 KB

Mass Effect 2 - Appearance Pack 2 ($1.99)
Grunt draws attention (and incoming fire) in his high-tech armor with a dual visor array. Tali's envirosuit features a reinforced chest-plate, and an interior heads-up-display. And for battle-heavy missions, Miranda steps out in Cerberus armor.
File size: 60 MB

WWE Smackdown Vs Raw 2011: WWE Discount Pack 2 ($2.99)
This Downloadable Content Pack includes CM Punk with mask, new attire for Sheamus, John Cena's new attire, Undertaker's American Badass attire, and the WCW Nitro arena. Purchasing this pack gives you a discount over purchasing each item individually.
File size: 5.81 MB

EyePet Valentine's Pack ($2.99)
The Valentine's Pack for EyePet brings all the love of Valentine's Day to your living room! You've never seen a virtual pet quite like this - EyePet! Download the new pack today!
File size: 100 KB

Def Jam Rapstar
(Music Downloads Not Rated by the ESRB) Expand your DEF JAM RAPSTAR library with these songs. DEF JAM RAPSTAR game disc is required to play this downloadable content:

• "The Humpty Dance" - Digital Underground ($1.99)
• "Swag Surfin" - F.L.Y. ($1.99)
• "Like A G6" - Far East Movement ($1.99)
• "Whatever You Like" - T.I. ($1.99)
• Party Pack ($6.99) - Expand your DEF JAM RAPSTAR library with this pack, which includes the songs: "The Humpy Dance" by Digital Underground, "Swag Surfin" by F.L.Y., "Like A G6" by Far East Movement and "Whatever You Like" by T.I.

File size: 43 - 50 MB (singles), 190MB (party pack)

Guitar Hero: Warriors of Rock
For all song credits please visit www.guitarhero.com/.

• "Black Sunday" - Black Label Society ($1.99)
• "Blooddrunk" - Children of Bloom ($1.99)
• "Coma White" - Marilyn Manson ($1.99)
• "Crazy Horse" - Black Label Society ($1.99)
• "Get Your Gunn" - Marilyn Manson ($1.99)
• "Living Dead Beat" - Children of Bodom ($1.99)
• "Parade Of The Dead" - Black Label Society ($1.99)
• "Tourniquet" - Marilyn Manson ($1.99)
• "Was It Worth It" - Children of Bodom ($1.99)
• "World On Fire" - Firewind ($1.99)
• February Mega Pack ($17.99) - Downloadable Track Pack featuring: "Black Sunday", "Crazy Horse", and "Parade of the Dead" by Black Label Society, "Blooddrunk", "Living Dead Beat", and "was It Worth It" by Children of Bodom, "Coma White", "Get Your Gunn", and "Tourniquet" by Marilyn Manson, and "World On Fire" by Firewind

File size: 33 - 52 MB (singles), 400 MB (track pack)

Rock Band 3
Build your Rock Band library by purchasing these song game tracks. For song credits, visit www.RockBand.com.

• "Bend Down Low" - Bob Marley ($1.99)
• "Burnin' and Lootin" - Bob Marley ($1.99)
• "Coming in from the Cold" - Bob Marley ($1.99)
• "Kaya" - Bob Marley ($1.99)
• "Lively Up Yourself" - Bob Marley ($1.99)
• "No More Trouble" - Bob Marley ($1.99)
• "Small Axe" - Bob Marley ($1.99)
• "Them Belly Full (But We Hungry)" - Bob Marley ($1.99)
• Bob Marley ($13.49) - Build your Rock Band library by purchasing this song game album: Bob Marley Pack 01. This pack includes "Bend Down Low", "Burnin' and Lootin", "Coming in from the Cold", "Kaya", "Lively Up Yourself", "No More Trouble", "Small Axe" and "Them Belly Full (But We Hungry)". By Bob Marley

Rock Band Network

• "Going Under" - Evanescence ($1.99)
• "Kokko - Eagle of Fire" - Amberian Dawn ($1.99)
• "Modern Mathematics" - Terrorhorse ($0.99)
• "No Direction" - Longwave ($0.99)
• "Whatever Is Wrong With You" - Marillion ($0.99)

File size: 19 - 50 MB (singles), 236 MB (track pack)

Apps

Filmy ($4.99)
Filmy is a movie viewer that plays AVCHD full high definition video files for the PlayStation 3. Its intuitive controls allow you to conveniently enjoy AVCHD.
File size: 596.5 MB

Avatars

Bionic Commando: Rearmed 2 Avatars (x5) ($0.49)
File size: 100 KB

Pocket Fighter - Sprite Avatars (x6) ($0.49)
File size: 100 KB

Game Videos (free)

Pulse 2/8 Edition
File size: 339 MB (HD), 582 MB (1080)

MLB 11 - The Show Announce Trailer
File size: 79 MB

Major League Baseball 2K11 - First Look Trailer
File size: 29 MB (HD)

Blokus Trailer
File size: 44MB (HD)

Modern Combat: Domination Launch Trailer
File size: 46 MB (HD)

Greg Hastings Paintball 2 - Launch Trailer
File size: 109 MB (1080)

Zumba Fitness Launch Trailer
File size: 64 MB (1080)

Winter Dew Tour 2011 - Breckenridge Video 1
File size: 163 MB

Winter Dew Tour 2011 - Breckenridge Video 2
File size: 219 MB

Winter Dew Tour 2011 - Breckenridge Video 3
File size: 162 MB

Winter Dew Tour 2011 - Breckenridge Video 4
File size: 132 MB

Winter Dew Tour 2011 - Breckenridge Video 5
File size: 148 MB

PS3 Themes

Mended Hearts Premium Theme ($1.49)
File size: 2.72 MB

DP Suspended Beauty Dynamic Theme ($3.49)
File size: 5.27 MB

PlayStation Store for PSP

Game Videos (free)

Pulse 2/8 Edition
File size: 58 MB

PSP Themes (also available from PS3 Storefront

Futbol Spain PSP Theme ($1.99)
File size: 527 KB

England Soccer PSP Theme ($1.99)
File size: 537 KB

PSP Wallpapers (free)

Legends Of War: Patton's Campaign Wallpaper 6
File size: 210 KB