Knock Knock Codes

Redeem the codes below for free in-game rewards in Knock Knock. We verify every code before posting and re-check daily.

Working

1 code

Last checked

May 19, 2026

Active Knock Knock Codes 1

Code	Description	Status	Works?
New BUGS	100 Gems	Active

How to redeem codes

To redeem codes in Knock Knock, find the Codes button in the game UI and click it to open the input field. Enter your code exactly as shown and confirm. Codes are case-sensitive.

Codes in Knock Knock reward Gems, the premium currency used for cosmetics and special items. Given the game's rapid growth, expect codes to drop around major visit milestones and significant updates - the jacobis group on Roblox is the primary announcement source for new releases.

Redeem codes as soon as you find them. Knock Knock's fast-growing playerbase means milestone codes can be retired once the developer drops a replacement, and the game's visit count is crossing milestone thresholds quickly.

Knock Knock Codes FAQ

Everything you need to know about Knock Knock codes - from redemption to why they sometimes don't work.

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How do I redeem codes in Knock Knock?

Click the Codes button in the game UI, type your code into the input field, and confirm. Codes in Knock Knock are case-sensitive, so enter them exactly as listed.

Why isn't my Knock Knock code working?

The code may have expired, been entered with incorrect capitalization, or already been redeemed on your account. Codes are case-sensitive, so check your spelling and capitalization carefully before trying again.

What do Knock Knock codes give you?

Codes in Knock Knock reward Gems, the premium currency used for cosmetics and special items. Gems are the primary way to earn this currency without spending Robux.

Where do I find new Knock Knock codes?

New codes are announced through the jacobis Roblox group. With the game growing rapidly past 13 million visits, milestone codes are likely to appear at major visit counts and game updates.