Keith Devlin<p>In response to repeated requests, <a href="https://fediscience.org/tags/BrainQuake" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BrainQuake</span></a> (which I co-founded) now provides schools with access to teacher-specified collections of our math-learning puzzles. The Web-version of the full, adaptive game is still available, as the "Family" option. <a href="https://fediscience.org/tags/math" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>math</span></a> <a href="https://fediscience.org/tags/mathed" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mathed</span></a> <a href="https://fediscience.org/tags/gbl" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gbl</span></a> <a href="https://brainquake.com" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">brainquake.com</span><span class="invisible"></span></a></p>