Call of Duty: Ghosts has been installed as the odds-on favourite to be this year's UKIE GfK Chart-Track UK Christmas No.1.
William Hill is offering 1/5 on the game, which arrives in the UK today but will be boosted by next-gen launches on Xbox One and PS4 on November 22nd and November 29th.
It had been offering odds of 6/4.
FIFA 14 is second favourite at 9/2 followed by Grand Theft Auto V (10/1), Batman: Arkham Origins (14/1) and Assassin's Creed IV: Black Flag (20/1).
William Hill spokesman Rupert Adams said: Call of Duty fans have been betting on the market as if the latest instalment cannot lose. It is the biggest move we have ever had on a game related market and the opposition have been gunned down.”
William Hill Top Christmas Video Game:
1/5 Call of Duty: Ghosts
9/2 FIFA 14
10/1 Grand Theft Auto V
14/1 Batman: Arkham Origins
20/1 Assassin's Creed IV: Black Flag
25/1 Battlefield 4
25/1 Gran Turismo 6
33/1 LEGO: Marvel Super Heroes