Mystery Key 
is a tradable misc item released along with the Season 1 Update. It can be obtained through trading, events, or buying it with 125 diamonds 
. It is used to unbox weapon crates that are in the shop (excluding Holiday crates).
Appearance[]
It’s a yellow key with a thick bow and long blade, along with uneven key wards connect to the blade.
Trivia[]
- This key has a reused mesh from the Winter Key.
Gallery[]
Mystery Key shown in someone's inventory
| Currencies ▼
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Coins  • Diamonds  • Mystery Key 
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| Holiday | ||||||||||||||||||||||||||||||
| Type | Halloween | Christmas | Valentines | Easter | Summer | |||||||||||||||||||||||||
| Normal | Candies (2025)  • Candies (2024)  • Candies (2023)  • Candies (2022)  • Candies (2021)  • Candies (2020)  • Candies (2019)  • Candies (2018)  • Candies (2017)  • Candies (2016) 
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Gifts  • Snow Tokens  • Logs  • Snowflake Tokens (2018)  • Snowflake Tokens (2017)  • Blue Tokens  • Red Tokens  • Gifts 2015 
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Hearts 
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Eggs (2025)  • Eggs (2024)  • Eggs (2023) 
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Beach Balls 
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| Keys | Alien Key  • Vampire Key  • Traveler Key  • Reaver Key  • Pumpkin Key  • Skeleton Key 
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Snow Key  • Snowflake Key  • Winter Key 
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N/A | N/A | Summer Key (2025)  • Summer Key (2024) 
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| Murder Mystery | ||||||||||||||||||||||||||||||
Points  • Cash 
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