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Buy Back 4 Blood Expansion 1 Tunnels of Terror Steam Key
Back 4 Blood Expansion 1 Tunnels of Terror Steam Key: compare prices (November 2026)
A Back 4 Blood Expansion 1 Tunnels of Terror Steam Key — also known as a CD Key or digital code — is the official activation code you redeem on Steam and keep in your library permanently. From €10.60 (no fees, -29%) at CJS-CDKeys, 29% below the €14.99 (no fees) Steam price · 8 verified stores, 10 offers in stock · Updated 10min ago.
Steam Key
Prices change depending on the selected payment method.
Final prices with fees
How much does Back 4 Blood Expansion 1 Tunnels of Terror for PC cost right now?
Back 4 Blood Expansion 1 Tunnels of Terror for PC starts at €10.60 (no fees) at CJS-CDKeys, a Steam key, which is 29% under the €14.99 (no fees) it costs on the official store.
There is a cheaper listing, €4.42 (€4.98 with fees) at Driffle, but it is a Europe key and it will not redeem on a US account however good the price looks.
Just 8 stores stock it, 10 offers in all, so there is little here to push the price either way.
That puts it 34% under its average of €7.49 since 2023, so today is a better entry point than most days of its life.
Steam Key
Steam Gift
Is it worth buying the Steam Key for Back 4 Blood Expansion 1 Tunnels of Terror now or waiting?
That €4.42 (€4.98 with fees) key is at its usual price: no bargain, no spike.
- Those €4.42 (€4.98 with fees) are 2% below what it usually costs, measured on the store price.
- Only 7 stores sell the Steam Key, and with that little competition the price barely moves.
- Not counting today, 627 days out of the 1,001 days on record were this cheap or cheaper; the lowest it has ever cost is €1.60.
Worked out from 2,426 daily records of the Steam Key for Back 4 Blood Expansion 1 Tunnels of Terror across 16 stores. See the full price history.
The price does not include each store's payment fees. The percentage is measured on the store price, without coupons, because that is how we record the history. The analysis only counts Key offers. Shared accounts, Steam Gift and physical editions stay out, because they are not the same product and their prices move differently.
Which Back 4 Blood Expansion 1 Tunnels of Terror format should you buy?
By format: Steam Key from €4.42 (€4.98 with fees) and Steam Gift from €14.72 (€15.38 with fees).
Can you activate Back 4 Blood Expansion 1 Tunnels of Terror in US?
5 of the 10 offers work on US — the Global ones plus the ones issued for your own region.
Most common FAQs when buying Back 4 Blood Expansion 1 Tunnels of Terror for PC in digital format:
Other stores may take 30–40 minutes depending on game availability. On release days, delivery times may be slightly longer.
If you notice an unusually long delay, contact the store or us, and we’ll resolve it as quickly as possible.
There have been occasions when those services were overwhelmed, which is why we also offer 24/7 customer support to help resolve any issues or questions.
In any case, we always offer a 100% guarantee, so you won’t have any problems, and if you do, we’ll resolve them as soon as possible.
Need more help? Use our FAQs.
Back 4 Blood Expansion 1 Tunnels of Terror
Is it worth it?
What the press says
The base title is available still on Game Pass for PC and Console, and if either you or a friend purchased this DLC or already... Read more
Back 4 Blood's first expansion gives players a good reason to reinstall the shooter, but with it intending to expand campaign replays rather than offering... Read more
Back 4 Blood's first major expansion deepens the roguelite elements of the game, but still stumbles on issues that have been present since launch. Read more
The Back 4 Blood - Tunnels of Terror expansion introduces some new quality content such as the Ridden Hives, new Cleaners, and new cards that... Read more
Despite adding new locations, new cleaners, and new warped ridden to the fray, Back 4 Blood: Tunnels of Terror doesn't feel substantial enough to warrant... Read more
Turtle Rock added interesting content in Tunnels of Terror. Ridden Hives offer a compelling challenge, new Cleaners are somewhat worth experimenting with, No Hope is... Read more
It’s great to see new content in Back 4 Blood, it’s a shame the developers opted to make the new areas so difficult. Visually, these... Read more
About the game
Requirements
- 64-bit Windows 10
- Intel Core i5-6600 (3.3 GHz) OR AMD Ryzen 5 2600 (3.4 GHz)
- 8 GB RAM
- NVIDIA GeForce GTX 1050 Ti OR AMD Radeon RX 570
- Version 12
- Network: Broadband Internet connection
- 40 GB available space
- Additional Notes: 1080p / 60fps / Low Quality Settings
- 64-bit Windows 10
- Intel Core i5-8400 (2.8 GHz) OR AMD Ryzen 7 1800X (3.6 GHz)
- 12 GB RAM
- NVIDIA GeForce GTX 970 OR AMD Radeon RX 590
- Version 12
- Network: Broadband Internet connection
- 40 GB available space
- Additional Notes: 1080p / 60fps / High Quality Settings
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