Challenge
Special challenges that test speed, depth, and problem-solving. Rewards scale with difficulty — guessing is never rewarded.
Timed
Speed Sprint
Solve as many problems as you can in 60 seconds.
+200 XP
Mastery
Mastery Test
Prove deep understanding to lock in mastery.
+350 XP
Puzzle
Brain Teaser
Multi-step puzzles that reward careful thinking.
+250 XP
Challenges are coming soon
The challenge engine — with timed problem sets, mastery verification, and adaptive difficulty — is planned for a later phase. Start buttons are disabled until then.
Planned for a later phase