Knock-Knock
Knock-Knock
Kinguin
Kinguin is recognized as a "top retailer" by DLCompare thanks to their quality of service, competitive prices and the recognition they gained amoung users.
This key will allow you to play on PC
This key is meant to be activated on Steam.
discount code -10% : DLC10
Knock-Knock
G2PLAY
This key will allow you to play on PC
This key is meant to be activated on Steam.
discount code -3% : DLC3
Knock-Knock
GAMIVO
This key will allow you to play on PC
This key is meant to be activated on Steam.
discount code -6% : DLCOMPARE6
Knock-Knock
HRKGAME
This key will allow you to play on PC
This key is meant to be activated on Steam.
Knock-Knock
K4G
This key will allow you to play on PC
This key is meant to be activated on Steam.
discount code -6% : DLC6
Knock-Knock
Difmark
This key will allow you to play on PC
This key is meant to be activated on Steam.
discount code -10% : DLCOMPARE
Knock-Knock
Eneba
Eneba is recognized as a "top retailer" by DLCompare thanks to their quality of service, competitive prices and the recognition they gained amoung users.
This key will allow you to play on PC
This key is meant to be activated on Steam.
discount code -3% : 3DLC
Knock-Knock
Wyrel
This key will allow you to play on PC
This key is meant to be activated on Steam.
discount code -6% : DLCOMPARE
Knock-Knock
G2A
This key will allow you to play on PC
This key is meant to be activated on Steam.
pay back -3% : DLCOMPARE
Knock-Knock
Instant Gaming
Instant Gaming is recognized as a "top retailer" by DLCompare thanks to their quality of service, competitive prices and the recognition they gained amoung users.
This key will allow you to play on PC
This key is meant to be activated on Steam.
Knock-Knock
Cdkeys.com
This key will allow you to play on PC
This key is meant to be activated on Steam.
Knock-Knock
GamingDragons
This key will allow you to play on PC
This key is meant to be activated on Digital download.
Knock-Knock
Fanatical
Fanatical is an official store which you can identify with this icon
.
You'll receive your cd keys as text or image by e-mail, or by mail for your retail boxes or hardware.
This key will allow you to play on PC
This key is meant to be activated on Steam.
Knock-Knock
Steam
Steam is an official store which you can identify with this icon
.
You'll receive your cd keys as text or image by e-mail, or by mail for your retail boxes or hardware.
This key will allow you to play on PC
This key is meant to be activated on Steam.
Knock-Knock
Humble Bundle
Humble Bundle is an official store which you can identify with this icon
.
You'll receive your cd keys as text or image by e-mail, or by mail for your retail boxes or hardware.
This key will allow you to play on PC
This key is meant to be activated on Steam.
answering the message of
User rating
Buy cheapest CD keys on online shops and download your game for free through the seller or editor.
Use your CD key on Steam to download Knock-Knock.
Knock-Knock
For Steam CD Keys, you must download (HERE), install the Steam software and create a new account. If you already have a Steam account, once you log in, click "Add a game" (located in the bottom left corner), and then "Activate a Product on Steam". After a few more clicks, you will be prompted to type in your CD Key. Thus, the game will be activated and automatically added to your account library.
You can download your game using the CD Key on the retailer or publisher website. Please follow the steps and instructions given by the retailer.