The official Microsoft Store website is quietly hosting a sale on a selection of Xbox One games, offering up to half off retail titles.
Big games including EA's Battlefield 4 and Ubisoft's Assassin's Creed IV: Black Flag are among those discounted - those two in particular up for just $29.99.
Thief, Call of Duty: Ghosts, FIFA 14 and NBA 2K14 are also discounted significantly.
Here's a list of Xbox One games currently on sale at the Microsoft Store:
Call of Duty: Ghosts - $24.99 ($35 off)
LEGO Marvel Super Heroes - $29.99 ($20 off)
Just Dance 2014 - $29.99 ($20 off)
Zumba Fitness: World Party - $29.99 ($20 off)
Angry Birds Star Wars - $29.99 ($20 off)
Battlefield 4 - $29.99 ($30 off)
Assassin's Creed IV: Black Flag - $29.99 ($30 off)
FIFA 14 - $39.99 ($20 off)
NBA 2K14 - $39.99 ($20 off)
Killer Instinct Pin Ultimate Edition - $49.99 ($10 off)
Thief - $49.99 ($10 off)