The weather is hot, but your bank balance is not. Chill! There are many cool activities around town this week that don't cost a cent -- everything from discussions to physical games to head games, as OhHeckYeah closes up shop.

Go to the Westword calendar for a complete line-up of events around town, and let us know about bargains we missed in the comments section below.

See also: Another 100 Colorado Creatives: Andrea Moore

Philosophy Club and Open Mic at Mercury Cafe (Wednesday, free) Will Descartes be at philosophy club? I think not. If you didn't get that little joke, maybe you should come to the Mercury for a refresher course while members of the club philosophize and rant. This open mic night isn't all about philosophy, though: You'll also hear singer-songwriters, poets and comedians. Summer Games at Boulder Museum of Contemporary Art (Thursday, free) Street ping-pong, yoga and trivia are taking over Civic Plaza in Boulder tonight in conjunction with BMoCA's current exhibition, Game Changer. The games are free, but you'll want to bring an old T-shirt in order to to take part in the free screen-printing classes. PechaKucha at OhHeckYeah at Denver Theatre District (Thursday, free) OhHeckYeah has been a cool addition to Denver this summer: fun, interactive and, best of all, free. But this weekend will be game over for the street arcade. Tonight will be a closing ceremonies of sorts with special activities and speeches from the creators. Since this could be crowded, RSVP in advance.

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