Games
Mafia III: Definitive Edition

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Mafia III: Definitive Edition

Platform

Lowest on Steam

£3.88

at CJS CD Keys, key reseller. No checkout fees.

Shop at CJS CD Keys

Prices checked 7 hours ago

Not ready to buy?

Watch it and we'll email you the morning after it drops, at whichever shop it is, in any edition or form, with a link to buy. We count a shop's fee where its feed gives it.

7 prices on Steam

In stock first, then what you'd pay with any fee the shop's feed gives, then price. Commission never changes the order.

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Key shops

Key shops sell keys bought from other markets or from other sellers, so check the region and the shop's refund terms.

CJS CD KeysKey resellerAbout this shopIn stock · Checked 7 hours agoUK · Key
£3.88No checkout fees
Shop at CJS CD Keys
2 more from this shop
1. CJS CD KeysKey resellerAbout this shopIn stock · Checked 7 hours agoEurope & UK · Key
  £3.99No checkout fees
  Shop at CJS CD Keys
2. CJS CD KeysKey resellerAbout this shopIn stock · Checked 7 hours agoGlobal · Key
  £4.64No checkout fees
  Shop at CJS CD Keys
KinguinMarketplaceAbout this shopIn stock · Checked 7 hours agoEU · KeyKeys from other sellers on Kinguin
£4.20£3.23 + the £0.97 fee its feed givesPlus fees at checkout
£4.10 with a code3% off: you save £0.10
Copy it here and Kinguin opens on this product in a new tab.
Shop at Kinguin
1 more from this shop
1. KinguinMarketplaceAbout this shopIn stock · Checked 7 hours agoRegion not stated · KeyKeys from other sellers on Kinguin
  £5.14£4.03 + the £1.11 fee its feed givesPlus fees at checkout
  £5.02 with a code3% off: you save £0.12
  Copy it here and Kinguin opens on this product in a new tab.
  Shop at Kinguin
KeycenseKey resellerAbout this shopIn stock · Checked 7 hours agoEurope · Key
£4.23Some ways to pay add a fee
Shop at Keycense
1 more from this shop
1. KeycenseKey resellerAbout this shopIn stock · Checked 7 hours agoRegion not stated · KeyNo region given: check it on Keycense's page before you buy
  £4.36Some ways to pay add a fee
  Shop at Keycense

Prices, stock and regions as each shop listed them, checked 7 hours ago. Some shops pay us when you buy through these links; that never changes the order. How that works.

The price on Steam over time

The lowest you'd pay at each, with the fee each shop's feed gives, among offers known to work on a UK account.

Key shops

Now: £3.88
Lowest since 23 Oct: £3.88

How to redeem it on Steam

Open the Steam app on your computer and sign in.
Choose Games at the top, then Activate a Product on Steam.
Enter the key and follow the steps.

Or in a browser: store.steampowered.com/account/registerkey

Steam leaves region limits to each game's publisher. If a key won't activate, the shop you bought it from handles it: Steam doesn't refund keys bought elsewhere.

From Steam's help pages, read 23 October 2026:

Regions, in the shops' words

UK: Sold for UK accounts: the one word that plainly meets PlayStation's and Xbox's rule that a code match your account's country.
Europe, EU, EU & UK, EMEA: Sold for Europe, and the shops' pages I checked say these activate on UK accounts. The platforms don't name the UK: Nintendo UK says to use a code meant for Europe, and PlayStation's terms ask for one from your account's country.
Global, worldwide, region free: The shop says it activates in any country, the UK included.
Region not stated: The listing names no region. At ShopTo, CJS CD Keys and Kinguin, the shop's own terms or every page I checked say these work on UK accounts; at Keycense they vary, so theirs never set a price here.

No platform defines these words: each is the shop's, so check the region on its page before you buy.

About the game

Mafia III: Definitive Edition is a 2020 action and adventure game from Hangar 13, published by 2K. It has a single-player mode.

Action Adventure

Facts from Wikidata

Modes: Single-player
Developer: Hangar 13
Publisher: 2K
Series: Mafia
First released: 2020

More in the series

Mafia games on sale here, in the order each first came out. All 7 in order

Similar games

Games that share its categories.

Most popular on Steam

In stock now: what readers here go for most, then the best-known games. Every Steam game, most popular first

Questions

How much is Mafia III: Definitive Edition?

On Xbox, from £5.41 at Keycense (key, some ways to pay add a fee); on Steam, from £3.88 at CJS CD Keys (key, no checkout fees); on GOG, from £10.11 at CJS CD Keys (key, no checkout fees). Prices checked 14 November 2026.

Can I buy Mafia III: Definitive Edition from an official store?

Yes: ShopTo.Net sells it on Xbox, from £20.85.

Will a Mafia III: Definitive Edition key work on a UK account?

The prices I lead with are only from offers their shop says work on a UK account. Xbox says a code has to match your Microsoft account's country or region, and that using a VPN to get round it can get a purchase reversed or the account restricted. Steam leaves region limits to each game's publisher. If a key won't activate, the shop you bought it from handles it: Steam doesn't refund keys bought elsewhere. One listing names no region at a shop whose listings like that vary, so check the region on its page.

How do I redeem Mafia III: Definitive Edition?

Xbox codes are redeemed on your console or at xbox.com/redeem, and the game stays on your Microsoft account. A Steam key goes into the Steam app (Games, then Activate a Product on Steam) or Steam's website, and the game stays in your library. GOG codes are redeemed at gog.com/redeem or in GOG GALAXY, and the game stays on your GOG account.