Mystery Keys
Every Arena round you finish at 80%+ accuracy earns one key. Keys can't be bought — and the box only opens when you say so.
Your first mystery box awaits
Create a free account, then finish an Arena round with at least 80% accuracy to earn a key. Open your box whenever you’re ready.
Every box contains a keycap, a name effect or gems. Already own it? You get gems instead.
The keycaps
Discover these collectible keycaps in mystery boxes. They can’t be bought.
Name effects
What’s inside a box?
Gem rewards
A gem-only box usually gives you 10 gems. You could also find one of these bigger rewards:
Already in your collection?
Duplicate items turn into gems, depending on the item. You’ll see the exact amount when the box opens.
Earn more gems with a streak
Play on consecutive days to boost gems from rounds and quests. Leaderboard prizes aren’t multiplied.
- 3 days in a row
- 10% more gems
- 7 days in a row
- 25% more gems
- 14 days in a row
- 50% more gems
- 30 days in a row
- 100% more gems
Unlock a trophy for 50% extra gems on your next 5 rounds.
Daily quests
New quests in --h --m --sSign up free to complete quests, build gem streaks and catch Mystery Key Drops.
Streak Freeze
Miss a day and a freeze covers it automatically the next time you play, so your streak (and gem multiplier) survives. Hold up to 2.
Sign up free to use freezes