Javascript games in 30 lines

Sokoban: <a href="http://jsfiddle.net/zabbius/nU74f/" rel="nofollow">http:&#x2F;&#x2F;jsfiddle.net&#x2F;zabbius&#x2F;nU74f&#x2F;</a><p>Minesweeper: <a href="http://jsfiddle.net/c884a/" rel="nofollow">http:&#x2F;&#x2F;jsfiddle.net&#x2F;c884a&#x2F;</a><p>Roguelike RPG: <a href="http://jsfiddle.net/kPZaP/3/embedded/result/" rel="nofollow">http:&#x2F;&#x2F;jsfiddle.net&#x2F;kPZaP&#x2F;3&#x2F;embedded&#x2F;result&#x2F;</a><p>Tetris: <a href="http://jsfiddle.net/ova777/kFxja/" rel="nofollow">http:&#x2F;&#x2F;jsfiddle.net&#x2F;ova777&#x2F;kFxja&#x2F;</a><p>Ping pong: <a href="http://jsfiddle.net/WNrfp/6/" rel="nofollow">http:&#x2F;&#x2F;jsfiddle.net&#x2F;WNrfp&#x2F;6&#x2F;</a><p>Rally: <a href="http://jsfiddle.net/agegorin/kML8G/embedded/result/" rel="nofollow">http:&#x2F;&#x2F;jsfiddle.net&#x2F;agegorin&#x2F;kML8G&#x2F;embedded&#x2F;result&#x2F;</a><p>Arcanoid: <a href="http://jsfiddle.net/martin_/Fq8F4/" rel="nofollow">http:&#x2F;&#x2F;jsfiddle.net&#x2F;martin_&#x2F;Fq8F4&#x2F;</a><p>Snake: <a href="http://jsfiddle.net/Uk2PP/9/" rel="nofollow">http:&#x2F;&#x2F;jsfiddle.net&#x2F;Uk2PP&#x2F;9&#x2F;</a><p>And piano as a bonus: <a href="http://jsfiddle.net/c62Pe/1/embedded/result/" rel="nofollow">http:&#x2F;&#x2F;jsfiddle.net&#x2F;c62Pe&#x2F;1&#x2F;embedded&#x2F;result&#x2F;</a>