Your learning stays with you.
Saved on this device. Export your progress before changing browsers or clearing site data.
Imported attempts stay in your history. Open a task and check its answer on this device to earn verified completion. Project and fresh-dataset attempts are tracked separately.
Clear all saved attempts, drafts and local activity on this device? Export a copy first if you want to keep them.
Attempt history
A verified pass requires every output check for the current content version. Earlier scores remain available in your history.