Ultimate Zombie Defense: Steam price vs key
Ultimate Zombie Defense costs €2.56 as a key at BuyCheapKeys, versus a regular price of €4.99 on the Steam Store: you save €2.43 (49% less). The key activates on your Steam account and it's exactly the same game (prices from October 4, 2026).
- Instant deliveryKey by email and in your account
- Full guaranteeReplacement or refund
- Secure paymentCard, PayPal, Google Pay, Apple Pay
- Activates on SteamSame game in your library
- Up to 4% cashbackWith the VIP Club
Should I buy Ultimate Zombie Defense now? A steal: buy it now
The key costs €2.43 less than the regular Steam price and is at its lowest recorded price. With 86% positive reviews, it's a safe buy.
Price score: 8/10 · The key is 49% below the regular Steam price.
The same game, for less
A Steam key gives you exactly the same as buying on Steam. Only the price changes.
Available Ultimate Zombie Defense keys
2 offers, sorted by price
Ultimate Zombie Defense price history
- Steam regular price€4.99
- BuyCheapKeys key€2.56
We've been tracking this game since October 3, 2026. The chart will appear once there are a few days of data.
How to activate the Ultimate Zombie Defense key
- 1
Buy the key
Choose the Ultimate Zombie Defense offer and pay. You get the key instantly.
- 2
Open Steam
Go to “Games” › “Activate a Product on Steam”.
- 3
Redeem and play
Paste the key and the game stays in your library forever.
Ultimate Zombie Defense FAQ
›How much is Ultimate Zombie Defense on Steam?
The regular Steam price of Ultimate Zombie Defense is €4.99. At BuyCheapKeys the Steam key costs €2.56, €2.43 less.
›Where to buy Ultimate Zombie Defense cheapest?
The cheapest option is the BuyCheapKeys Steam key for €2.56, 49% below the regular Steam price. Instant delivery and it activates on Steam.
›Is the Ultimate Zombie Defense key the same game as on Steam?
Yes. When you redeem the key, Ultimate Zombie Defense is added to your Steam account with achievements, cloud saves and updates, just as if you bought it on Steam.
›What is the lowest price for Ultimate Zombie Defense at BuyCheapKeys?
The lowest recorded price for the key at BuyCheapKeys is €2.56 (October 4, 2026). Today it costs €2.56.
›Will the Ultimate Zombie Defense key work in my country?
We list Global and Europe region keys. Each BuyCheapKeys product page tells you whether it can be activated in your country before you buy.
›Is it safe to buy from BuyCheapKeys?
Yes. Delivery is instant by email and in your account, we accept card, PayPal, Google Pay and Apple Pay, and every purchase is covered by a replacement or refund guarantee.
›Does Ultimate Zombie Defense work on Steam Deck?
Valve rates it “Playable” on Steam Deck. Once the key is activated on Steam you can play it on Steam Deck just like on PC.
›Is Ultimate Zombie Defense worth it?
It has 86% positive reviews out of 1,408 on Steam (“Very Positive”), was released in 2020 and is developed by Terror Dog Studio. Genres: Action, Casual, Zombies, Online Co-Op.
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Ultimate Zombie Defense
€2.56