Name: Knightmare Tower (Steam)
Brand: Juicy Beast Studio
SKU: KT-DBFD72F2D2
Price: 5.91 EUR
Availability: InStock

Break through ceilings, rescue princesses and escape boiling lava as you slash your way to the top of the Knightmare Tower! Features Campaign and Survival modes 10 princesses to rescue, all daughters of the same King (yeah, even that last one) Tons of upgrades, including visually changing armors, swords and boots 1 epic boss battle 70 quests to complete 50+ different monsters to slice up 3 legendary monsters that can be summoned with special horns Giant bombs that blow apart every monsters around you Potions that make you super strong Rideable rockets Soundtrack by HyperDuck Soundworks (Scrolls, Dust: An Elysian Tail)

Redeem on Steam

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Step 2: Open the Games menu, then choose Activate a Product on Steam…
Step 3: Enter the key and follow the prompts.
Step 4: The game appears in your Library.

Steam's redeem page Full guide for Steam

Activation notes from the publisher

Go to: http://store.steampowered.com/ and download STEAM client Click "Install Steam" (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don't have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam... Follow the onscreen instructions to complete the process. After successful code verification go to the "MY GAMES" tab and start downloading.