Doomsday Event Week

"To celebrate today's release of The Doomsday Heist in GTA Online, we're giving players the opportunity to score big in more ways than one. Try your luck in the Doomsday Social Club Sweepstakes for a chance to walk away with a stockpile of GTAV gear, put your Snapmatic skills to the test in the #DOOMSDAY Snapmatic Contest and take advantage of in-game bonuses with double GTA$ on Bodyguard/Associates salaries and a wide-ranging Ammu-Nation sale running through December 18th."

- Rockstar Games Newswire

 (stylised as "#DOOMSDAY Event Week") was an event in Grand Theft Auto Online. The event started on December 12, 2017, and ran until December 18, 2017. This event featured discounts on weaponry, double GTA$ payouts for Associates, a Social Club Giveaway and a Snapmatic contest. It celebrates the release of the Doomsday Heist update.

On December 18, 2017, the traditional Happy Holidays awards were awarded, celebrating the annual Festive Surprise Event which began the day after - December 19, 2017. All players were awarded full ammo for all their owned weapons.

Double Earnings

 * Double GTA$ payouts for Associates of Organizations.
 * Triple RP in the Premium Race.
 * Premium Race - East Coast (Locked to Super)
 * Time Trial - Up Chiliad

Discounts
Ammu-Nation host a 25% discount on many weapons and upgrades:
 * All SMGs
 * All Pistols
 * All Shotguns
 * All Sniper Rifles
 * All Machine Guns
 * All Body Armor
 * All Explosives and Throwables
 * Luxury Finishes

Social Club Giveaway
Doomsday Social Club Sweepstakes offering the chance to win a range of Rockstar Warehouse gear:
 * Camo Merryweather Security Hat
 * Black Merryweather Tee
 * Merryweather Polo
 * GTAV Hoodie
 * Black Rockstar Camo Tee
 * Merryweather Heat Changing Mug
 * GTAV Gold Bar USB
 * GTAV Power Magnet
 * GTAV Chrome Zippo

Snapmatic Contest
A Doomsday-themed Snapmatic Contest is available to take part in between December 12 and December 18, 2017.
 * Players will need to tag their entry with "#DOOMSDAY".
 * Winners to be announced alongside Festive Surprise 2017 Snapmatic Contest Winners on January 1st, 2018, during said event.