Rulebound: Brain Arcade

Contains adsIn-app purchases
Content rating
Everyone
1K+
Downloads
Content rating
Everyone
Users Interact, In-Game Purchases
Learn more
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About this game

Rulebound is a brain arcade: quick games of words, numbers, shapes, memory and speed.

Pick a category and play. Each game has one simple rule and a clock. Read the rule, think fast and beat your best score.

WHAT'S INSIDE
• Games across five categories, with more to come!
• Weekly leaderboards, worldwide and with friends
• Events with prizes
• Avatars to collect and achievements to earn
• Boosts for a second chance, a frozen clock or a forgiven slip
• A free daily spin and a welcome gift
• Invite friends and earn rewards

Sign in with Play Games or Google to keep your progress across your devices. Scores are checked on our servers and each account holds one place on the leaderboard.

Rulebound contains adverts and optional purchases.

No loot boxes: what you buy is what you get.
A daily brain arcade of Words, Numbers, Shapes, Remember and Speed games
Updated on
Oct 26, 2026
Events & offers

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    Personal info, Financial info and 4 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

• Daily Streak: Finish a game each day for mystery gifts, a weekly boost choice and trophies at 7, 30 and 100 days, including the Molten Lion avatar.
• Double Coins: Watch an advert after a game to double the Coins you earned, or double them straight away if you're ad-free.
• Cleaner screens: A tidier results screen and a smoother, safer Store.
• Fewer interruptions: Pop-ups now appear one at a time when you open the app and new player names are filled in for you.