WARNING: cards have changed, and the target levels are no longer accurate.
Please don't play the campaign unless you know what you're getting into.
Click on one of the links to play a challenge.
You earn stars by completing challenges with a good enough score.
Some challenges (e.g. B1) are unlocked by earning enough stars.
(Your star count is shown at the top right.)
Some challenges (e.g. A2) are unlocked by getting a star on the prerequisite (A1).
If it's your first time here, try the tutorial
5 stars: ???
25 stars: ???
125 stars: ???