Check out our 55092 reviews on Trustpilot
Work with us
Zombie Mode (MWZ) Zombie Mode (MWZ)
MW3 Challenges Boost
$0.39
4,8/5 Trustpilot Based on 55092 reviews
SSLSSL USETooltip Kingboost ensures secure and private transfer of the data within our system by encrypting every bit of your information. The sensitive data that you share with us is protected by SSL protocol.
VPNVPN USETooltip Even with piloted orders, your account remains completely safe. All of our boosters are thoroughly checked and will use your personal VPN server to guarantee your account stays unharmed.
Support24/7 SupportTooltip Our experienced support team is available at any time to assist you, handling everything from order recommendations to post-completion requests.
PilotedPilotedTooltip The fastest and most effortless way to complete your order. By allowing our booster to access your account, you save time while we handle the boost for you.
CheapFound cheaper? We price matchTooltip Found cheaper? We price match - If you find a better offer on another website, contact our support team - we'll beat the price and make sure you get the best deal.

START: Up to 30 minutes

COMPLETION TIME: Flexible

Leveling always takes a lot of time and is not very fun to do. But not with Kingboost! Just make an order!

YOU WILL GET

  • All the selected challenges completed;
  • Possible weapons' XP and camo progress;
  • Account level experience during the service.

REQUIREMENTS

Call of Duty: Modern Warfare 3 game purchased.

WHY KINGBOOST?

The simple answer is because we’re good at what we’re doing. You can make sure of that by looking at the reviews from our customers on Trustpilot. And in addition to that, we are ready to match the price if you’ll somehow find the exact same offer with lower price. Just make an order and see for yourself!

If you still have any questions regarding boosts, please text us in the LiveChat.

Customize Your Order
Completion Method:?Selfplay: play yourself.
Piloted: we play on your account with VPN / LiveStream.
Selfplay Remote (Cloud Tech., with Parsec): We play on your device using remote access software.
Game Mode
Choose Your Platform
Total $0.39
cashback Cashback
$0.01

GET MORE WITH DISCOUNT

from
$45.50

Rotten Inferno Camo

from
$0.99

Year of the Dragon Event Challenges

from
$0.89

Modern Warfare Zombie Missions

Reviews on MW3 Challenges Boost
5
(1446 Reviews)
  • 5 stars 1446
  • 4 stars 0
  • 3 stars 0
  • 2 stars 0
  • 1 star 0
C
customer
13/07/2026
5

I had an excellent experience with…

I had an excellent experience with KingBoost from start to finish. The ordering process was simple, communication was prompt, and the service was completed exactly as promised. The booster was professional, friendly, and kept me updated throughout the entire process, which gave me confidence every step of the way. The order was completed quickly without any issues, and the overall experience exceeded my expectations. If you're looking for a reliable service with outstanding customer support and fast delivery, I highly recommend KingBoost. I'll definitely be using them again in the future!

Total 

$0.39

cashback Cashback
$0.01