Keystone: Word Link Puzzles
Daily Groups & Connections
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Find the hidden links between words in handcrafted Daily and Journey puzzles. Group four at a time, reveal the Keystone, and keep your streak alive.
Find the hidden connections. Complete the groups. Reveal the Keystone.
Keystone is a handcrafted word-link puzzle game built around one simple challenge: sort 16 words into four connected groups of four.
Some links are obvious. Others hide behind double meanings, shared themes, wordplay, categories, or unexpected associations. Solve all four groups, then answer the final Keystone question that ties the puzzle together.
Play a fresh Daily Challenge, explore the full Journey, and build your longest streak as the puzzles become more demanding.
Features
• Daily Challenge
Return each day for a new puzzle and keep your streak alive.
• The Keystone Journey
Progress through six chapters and 150 carefully arranged puzzles, from approachable openings to deeper connections.
• More than 500 handcrafted puzzles
Every puzzle is designed, reviewed, and tested for clarity, fairness, variety, and a valid solution.
• Helpful gameplay tools
Shuffle the board, clear selections, use hints, and watch for one-away feedback when you are close.
• Multiple difficulty levels
Easy, Medium, and Hard puzzles offer a steady challenge for both casual players and experienced word-game fans.
• Game Center support
Track and compare your longest Daily Challenge streak.
• Play offline
The full launch catalog is included with the app, so Journey puzzles remain available without an internet connection.
• Optional ad removal
Enjoy Keystone for free, with a one-time purchase available to remove ads.
Keystone is made for players who enjoy word groups, hidden links, logic puzzles, associations, and satisfying “aha” moments.
Can you find every connection and reveal the Keystone?
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, OpsOh LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- OpsOh LLC
- Size
- 8.7 MB
- Category
- Word
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Infrequent
Alcohol, Tobacco, Drug Use or References
Contests
Contains
Advertising
- In-App Purchases
Yes
- Remove Ads $2.99
- Copyright
- © OpsOh
