Build garage · 4 min
Prediction booth
Tune a spam detector like a carnival game.
Practice: 0 XP · 0d streak — clever clears earn up to ★★★.
Playground
Prediction: your first ML idea
Tune a tiny rule-based “model.” Watch accuracy change.
75% accuracy
Mom: dinner at 7
Pred: not spam · Truth: not spam · ✓
URGENT!!! click now to WIN money
Pred: spam · Truth: spam · ✓
School homework reminder
Pred: spam · Truth: not spam · ✗
FREE FREE FREE act immediately!!!
Pred: spam · Truth: spam · ✓