What are the working codes for Knock Knock?

Knock Knock has 2 working codes: BUGS (100 Gems) and FREEGEMS (100 Gems).

How do you redeem codes in Knock Knock?

Open Knock Knock on Roblox, find the Codes button (in the Shop or Settings menu, or a gift icon), type the code exactly as shown and press Redeem.

Why doesn't my Knock Knock code work?

Codes are often case-sensitive, many expire after a while, and most work only once per account. Some games also ask you to like the game or join its group first. If a code still fails, it has probably expired.

When do new Knock Knock codes come out?

Developers usually post new codes with updates and like milestones. Follow Knock Knock on RBLXSTAT and we'll notify you when a new code appears.

Knock Knock Codes

2 working codes · updated Oct 22, 2026 · 112 playing

Play on Roblox

Statistics About Store Servers Codes2

Working codes

Never miss a new code

We check Knock Knock's description around the clock. Turn on alerts and we'll notify you as soon as a new code appears.

How to redeem Knock Knock codes

1Open Knock Knock on Roblox.
2Find the Codes button: usually in the Shop or Settings menu, or a gift or X (Twitter) icon at the side of the screen.
3Type or paste the code exactly as shown (codes are often case-sensitive) and press Redeem.

Play on Roblox

Knock Knock statistics and live player count112 players · 23.7M+

How sure are we?

Unverified: Only one code site lists it so far. It may well work, but we couldn't confirm it yet.

Codes come from the developer's own game description and from code sites. We check them around the clock: each code shows how sure we are of it, expired codes are removed, and one players report as not working is marked unverified until our team checks it in the game. Last checked Oct 22, 2026.

Frequently asked questions

What are the working codes for Knock Knock?
How do you redeem codes in Knock Knock?: Open Knock Knock on Roblox, find the Codes button (in the Shop or Settings menu, or a gift icon), type the code exactly as shown and press Redeem.
Why doesn't my Knock Knock code work?: Codes are often case-sensitive, many expire after a while, and most work only once per account. Some games also ask you to like the game or join its group first. If a code still fails, it has probably expired.
When do new Knock Knock codes come out?: Developers usually post new codes with updates and like milestones. Follow Knock Knock on RBLXSTAT and we'll notify you when a new code appears.