Codes are usually case-sensitive and time-limited. Copy the code directly using the button above instead of retyping it, and check that it’s still listed as active.

New codes for Merge a Black Hole are typically released alongside updates, milestones, or events. This page is rechecked regularly so you don’t have to hunt for them yourself.

Yes. Developers retire codes without notice, so it’s worth redeeming any active code as soon as you can rather than waiting.