Play ground

Offline rain prediction for 287 Indonesian cities using a pre-trained Random Forest model (40 trees, depth 6). No API calls — runs entirely in-browser.

Per-slot rain prediction (morning/afternoon/evening/night) for 287 Indonesian cities. 4 independent Random Forests with weather persistence feature — fully offline.

Per-slot rain prediction using Gradient Boosted Trees with computed climate features. Improved accuracy over V2 — fully offline.

Classic 3×3 strategy game. Play PvP (two players on one device) or PvC against a bot with three difficulty levels — Easy, Medium, and unbeatable Hard (Minimax).

Fully offline bill splitting with encrypted storage. Supports equal, custom, and itemized split modes. PIN-protectable.