Computer Chronicle

Trace the history of computing from the abacus to AI! Unlock 418 tech milestones, watch your pixel art city evolve, and enjoy a rich historical idle game.

Computer Chronicle is a relaxing idle simulation game that traces the history of computing and information technology.

From the ancient abacus and early mechanical calculators to personal computers, the Internet, mobile devices, generative AI, and future technology forecasts—experience humanity's technological journey at your own pace.

◆ Key Features ◆

[Simple & Relaxing Idle Gameplay] Tap to gather Computing Power and unlock historic inventions. Once unlocked, each technology generates Computing Power automatically per second. Even while the app is closed, Offline Rewards continue to accumulate, allowing you to progress comfortably without constant attention.

[418 Detailed Tech Milestones & Trivia] Explore 418 tech items across 16 tracks and 11 distinct eras. Every item comes with informative commentary and engaging trivia. This timeline is written from Japan: each date marks when that technology became part of everyday life here, and the commentary says when a world first came earlier. So it also records the digital culture Japan grew up with—Famicom, Suica, i-mode, classic PCs—beside the inventions everyone shares. Review all unlocked entries anytime in your Collection.

[Evolving Pixel Art City] Watch your pixel art city transform through 5 visual stages: Origins, PC Adoption Era, Digital Expansion Era, Modern & AI Era, and Future Forecasts. As you progress, new buildings appear, storefront lights turn on, and vehicles begin moving through your city streets.

[Prestige & Long-Term Upgrades] Reset your progress via the Prestige system to earn Prestige Points. Spend your points on permanent upgrades that boost your tap efficiency, production rates, and offline gains across future runs. Complete 34 achievements to unlock extra rewards.

[100% Free & Safe to Play] No ads. No in-app purchases. No account registration or internet connection required. No personal data collection. Designed as a clean, enjoyable educational and historical experience for players of all ages.

There are several ways to read the history of technology. For how the dates and commentary in this app were decided, see About This Timeline inside the app.

From the first beads of the abacus to the frontier of AI, rediscover the story of computation in your very own city.