Defrag - Daily Chronology Game
History Trivia & Timeline Game
About
Restore corrupted timelines in this daily logic puzzle game. Sort historical events chronologically in a 16-tile grid. Compete globally for the best score and track your daily streak.
What's New in Defrag
1.2
February 24, 2026
iPad and landscape support, Streak Freeze to protect your progress, shareable result cards, and the full 2026 puzzle calendar. Plus fixes to best score tracking, archive completion badges, and Sign in with Apple reliability.
MoreSubscription plans
Monthly Defrag Pro
Purchase a monthly subscription to Defrag Pro!
In-App Purchases
$0.99
100 Coins
Purchase 100 coins for redos and hints!
Developer apps
FAQ
What is Defrag?
Defrag is a free daily chronology game where players restore corrupted timelines by sorting 16 tiles from earliest to latest. It offers a new themed puzzle every 24 hours.
How does Defrag's scoring work?
Scores are based on the number of moves taken to solve the daily puzzle. Fewer moves result in a higher rank on the global leaderboard.
Can I play Defrag offline?
The description focuses on the daily global challenge and leaderboard, implying an online connection is necessary to participate in the current day's puzzle and compete.
What are the difficulty modes in Defrag?
Defrag offers three modes: Easy (years visible), Hard (years hidden), and Super Hard (no hints).
Does Defrag have ads?
No, Defrag is ad-free, allowing for an uninterrupted gaming experience.
What is Defrag Pro?
Defrag Pro is an optional upgrade that unlocks the Archive, providing access to over 365 past puzzles for replay.
How often are new puzzles released?
A new themed puzzle is released every day at midnight, ensuring a fresh challenge for players.
What devices is Defrag available on?
Defrag is supported on iPhone, iPad, and iPod devices.