Unlock efas!

You have ability to rewind things.

Use your rewind ability to unlock the safe.

Remember it REWIND!

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Credit: 

Number pressed sfx: 

https://en.wikipedia.org/wiki/Dual-tone_multi-frequency_signaling

BGM:

https://www.dl-sounds.com/royalty-free/blazer-rail/

Font:

https://kenney.itch.io/kenney-game-assets-1