If you could remember last week, the North American PlayStation Store treated us to a free echochrome demo. Well now, it's finally for sale for both the Sony PlayStation 3 and PlayStation Portable!

Echochrome headlines this week's update which once again seems more loaded than its counterparts in Europe/PAL and Japan. For May 1, the PlayStation Store has a free demo for Dark Sector and add-on game content from Rock Band and Karaoke Revolution Presents: American Idol Encore. Here is the entire list of updates:

Downloadable Games

• echochrome (US$ 9.99)
  

Add-on Game Content

• Rock Band
  
• “Zero” - Smashing Pumpkins (US$ 1.99)
• “Time-Sick Son of a Grizzly Bear” - The Mother Hips (US$ 1.99)
• “Red Tandy” - The Mother Hips (US$ 1.99)
• Karaoke Revolution Presents: American Idol Encore ($1.49 each)
• “(You Make Me Feel Life) A Natural Woman” - Aretha Franklin
• “Against All Odds” - Phil Collins
• “Ain’t No Mountain High Enough” - Marvin Gaye & Tammi Terrell
• “Ain’t Nothing Life the Real Thing” - Marvin Gaye & Tammi Terrell
• “Ain’t Too Proud to Beg” - Temptations
• “Alone” - Heart
• “Always Something There to Remind Me” - Naked Eyes
• “American Woman - Lenny Kravitz
• “Born to be Wild” - Steppenwolf
• “Careless Whisper” - Wham
• “Complicated” - Avril Lavigne
• “Crazy Little Thing Called Love” - Queen
• “Do I Make You Proud” - Taylor Hicks
• “Do You Really Want to Hurt Me” - Culture Club
• “Every Rose Has its Thorn” - Poison
• “Flashdance…What a Feeling” - Irene Cara
• “Greatest Love of All” - Whitney Houston
• “Here I Go Again” - Whitesnake
• “I Got You Babe” - Sonny & Cher
• “If I Ain’t Got You” - Alicia Keys
• “I’m Coming Out” - Diana Ross
• “It’s Your Love” - Tim McGraw & Faith Hill
• “Just the Way You Are” - Billy Joel
• “Ladies Night” - Kool & the Gang
• “Let’s Get it On” - Marvin Gaye
• “Love Will Keep Us Together” - Captain & Tennille
• “My Girl” - Temptations
• “New York
• "New York” - Frank Sinatra
• “On the Road Again” - Willy Nelson
• “Photograph” - Nickelback
• “Proud Mary” - Creedance Clearwater
• “Respect” - Aretha Franklin
• “Stand By Your Man” - Tammy Wynette
• “Straight Up” - Paula Abdul
• “Sugar, We’re Goin’ Down” - Fall Out Boy
• “Taking Care of Business” - Bachman Turner Overdrive
• “The First Cut is the Deepest” - Sheryl Crow / Rod Stewart
• “The Real Thing” - Bo Bice
• “When the Sun Goes Down” - Kenny Chesney & Uncle Kracker
• “Who Can it be Now?” - Men At Work
• “You and Me” - Lifehouse
• “You’re My Best Friend” - Queen

Game Demos

• Dark Sector (free)
  

Game Videos (free)

• echochrome Trailer
• Battlefield Bad Redford Blog
• Kung Fu Panda Trailer
• Dead Space Announcement Trailer
• Dead Space Ship Date Trailer
• Turok “Bring It” Trailer
• Turok - “Kane” Gameplay Trailer
• NBA Ballers: Chosen One TV Spot
• Wyclef’s “Fast Car” Music Video

PS3 Wallpaper

• echochrome Wallpapers (x4)
• Kung Fu Panda Wallpapers (x3)

PLAYSTATION STORE for PC (PSP)

Downloadable Games

• echochrome (US$ 9.99) (also downloadable via PS3)
  

Game Videos (free)

• echochrome Trailer
• Wyclef’s “Fast Car” Music Video

PSP Wallpaper (free)

• echochrome Wallpapers (x4)