These are all downloadable on demand. Can use points also.
Just search for them on xbox.com.

These are today only (7/2).

Assassin's Creed III $15
Borderlands 2 $10
Far Cry 3 $20
Max Payne 3 $10

These, I believe, will run through 7/8.

WWE '13 $15
Brothers in Arms: Hell's Highway $5
Bulletstorm $5
Command and Conquer Red Alert 3 $5
Crysis $5
Divinity II The Dragon Knight Saga $5
Dragon Age Origins $5
Far Cry Instincts Predator $5
Mass Effect $5
Perfect Dark Zero $3
Prey $3

Also, some borderlands 2 DLC is on sale 50% off.

Psycho Bandit 400 MSP
Sir Hammerlock’s Big Game Hunt 400 MSP
Mr. Torgue’s Campaign of Carnage 400 MSP
Ultimate Vault Hunter Upgrade Pack 200 MSP
Creature Slaughterdome 200 MSP
Captain Scarlett and her Pirate’s Booty 400 MSP
Mechromancer Pack 400 MSP