(EDIT: Looks like in addition to today’s Halo sale, there’s a few titles on sale through the whole event and they are ALL under $5! Get the list after the jump!)

Remember that Xbox 360 Games on Demand sale happening on through March 4th? Looks like instead of an all at once kinda deal, it’s a bunch of 1-Day Sales instead. Today we begin with a quartet of Halo sales!

Ultimate Game Sale: Day 1

• Halo 4 – Original Price: $59.99 – Sale Price: $39.99
• Halo 3 - Original Price: $29.99 – Sale Price: $9.99
• Halo: Reach - Original Price: $29.99 – Sale Price: $9.99
• Halo Wars - Original Price: $29.99 - Sale Price: $9.99

There are also a handful of titles that are on sale for $4.99 and under through the ENTIRE week long event. Get the list of sale titles and some insane prices after the jump!  PROTIP: El Shaddai is only $3. BUY IT.

Ultimate Game Sale: Week Long Sale Games

• Bioshock - Original Price: $19.99 – Sale Price: $4.99
• Call of Juarez - Original Price: $19.99 - Sale Price: $4.99
• Dark Messiah of Might and Magic: Elements - Original Price: $19.99 - Sale Price: $2.99
• The Darkness - Original Price: $19.99 – Sale Price: $4.99
• DiRT 2 - Original Price: $29.99 – Sale Price $4.99
• El Shaddai: Ascension of the Metatron - Original Price: $19.99 – Sale Price: $2.99
• Ghost Recon Advanced Warfighter - Original Price: $19.99 – Sale Price: $4.99
• Ghost Recon Advanced Warfighter 2 - Original Price: $19.99 – Sale Price: $4.99
• GRID - Original Price: $29.99 - Sale Price $4.99
• HAWX - Original Price: $19.99 - Sale Price: $4.99
• Kane & Lynch: Dead Men - Original Price: $19.99 – Sale Price: $4.99
• Rainbow Six Vegas - Original Price: $19.99 – Sale Price: $4.99
• Rayman Raving Rabbids - Original Price: $19.99 – Sale Price: $2.99
• Tomb Raider Legend - Original Price: $29.99 – Sale Price $4.99
• Virtua Fighter 5 - Original Price: $19.99 – Sale Price: $4.99