Found a loop: Start at Reiki

reiki spiritual_practice spirituality reality being eastern_philosophy islamic_philosophy islamic_studies islamic_history history george_santayana madrid spain balearic_islands catalan_language uh oh... found a loop

spain -> balearic_islands -> catalan_language -> spain .

So this game is traversing a cyclic graph. It should be possible to get around this by keeping track of visited links, and not repeating our clicks.

Now is Wikipedia a connected graph?