Day three brings us a few more wallpapers, this time with a slightly darker theme.

Handhelds:

• Sony PSP/PSPgo (480×272)
• iPhone/iTouch (320×480)

Fullscreen Monitors:

• 640×480
• 800×600
• 1024×768
• 1152×864
• 1280×960

Widescreen Monitors:

• 1280×800
• 1440×900
• 1680×1050
• 1920×1200

SD/HDTV Sets (for Xbox 360/Playstation 3):

• 480i/p
• 720p
• 1080i/p

And here’s a gameplay vid of Puzzled Mode, with three different difficulties and a brand new fastest time leaderboard available exclusively for ShellBlast HD!

Tomorrow is the first giveaway, and it’s a pretty nifty one. Come back for more ShellBlast awesomeness and check out the game on Xbox Indie Games!