(Disclosure: This site contains product affiliate links. We may receive a commission if you make a purchase after clicking on one of these links. Read our affiliate disclosure for more info.)
GMG has a LA Noire and DLC on sale for 75% off for 24 hours.
LA Noire $5 (Steam)
LA Noire DLC Bundle $3 (Steam)
Ninja Blade $2
Use their current 25% off voucher for extra savings.