The $50 Walmart gift card with purchase of a Wii promotion kicks off December 5 and runs through December 12, and going by the fine print, will not be available online.

Meanwhile, at least some of the savings on "25 top video games titles" are available online, with that particular promotion running from today until December 24:

Xbox 360 and PlayStation 3 Savings ($50 instead of $60)
• Uncharted 2: Among Thieves (PS3)
• LittleBigPlanet Game of the Year Edition (PS3)
• Dragon Age: Origins (PS3)
• Left 4 Dead 2 (Xbox 360)
• Halo 3: ODST (Xbox 360)
• NBA 2K10 (Xbox 360)
• Batman: Arkham Asylum (Xbox 360)
• Need for Speed Shift (Xbox 360)
• Forza Motorsport 3 (Xbox 360)
  
  
• Madden NFL 10 (Xbox 360, PS3)
• WWE Smackdown vs. RAW 2010 (Xbox 360, PS3)
• Tekken 6 (Xbox 360, PS3)

Wii Savings ($40 instead of $50)
• MySims Agents
• Need for Speed Nitro
• Mario & Sonic at the Winter Olympic Games
• LEGO Rock Band
• The Beatles: Rock Band
• Toy Story Mania
• WWE Smackdown vs. RAW 2010
• Madden NFL 10
• Tiger Woods PGA Tour 10