1. Thirty-one-derful flavors of sports Getty Images/KOC-CNA

More than 4,700 athletes competed in the the Olympic-sanctioned World Games from July 16-27 in Kaohsiung, Taiwan. How did this fly under the radar? Click through our gallery for a look at some of the 31 mostly quirky sports that are not in the Olympics.

2. Barefoot water skiing Sam Yeh/AFP/Getty Images

Australia's Thomas Darcy Arnel takes flight during the men's barefoot waterski jump competition July 23 at the World Games in Kaohsiung, Taiwan.

3. Men's bodybuilding Sam Yeh/AFP/Getty Images

WADA had its hands and cups full at the World Games as bodybuilders, including from left, Japan's Koji Godo, South Korea's Boo Chansoon and Taiwan's Huang Chien-chin competed in the 75-kilogram event.

4. Women's bodybuilding Sam Yeh/AFP/Getty Images

Slovakia's Anna Mozolany-Urbanikova demonstrates how the women's bodybuilding event had a different style than the men's event at the World Games.

5. Flying disc Sam Yeh/AFP/Getty Images

Now ultimate competitors can shoot for higher goals than an intramural T-shirt. Britain's Adam Holt, left, passes as Taiwan's Chang Wei-Chiao defends during the flying disc competition, which is co-ed.

6. Fin swimming KOC-CNA/Wu Yi-ning

Snorkels and fins it's like a tropical vacation with races and medals. Competitors in a men's 400-meter fin swimming heat limber up before a race at the World Games.

7. Trampoline gymnastics Sam Yeh/AFP/Getty Images

Portugal's Diogo Ganchinho, right, and Nuno Merino compete in a trampoline gymnastics event at the World Games.

8. Billiards KOC-CNA/Tung Chun-chih

Yes, that's the "Black Widow," Jeanette Lee of the United States, competing in the women's 9-ball match at the billiards tournament.

9. Karate Sam Yeh/AFP/Getty Images

New Zealand's Glyn Tamara, right, lands a right to the chin of Kurita Eimi of the United States during the karate event at the World Games.

10. Sumo wrestling Sam Yeh/AFP/Getty Images

The centuries-old sport of sumo wrestling originated in Japan, but has spread to 85 countries around the world.

11. Women's sumo wrestling Sam Yeh/AFP/Getty Images

Female sumo wrestling is a little newer than its men's counterpart, however. Russia's Anna Alexsandrova, right, grapples with Japan's Tamami Iwai on July 18.

12. Roller speed skating Sam Yeh/AFP/Getty Images

Women inline skaters compete in the 1,000-meter speed skating semifinal July 18.

13. Tug-of-war Sam Yeh/AFP/Getty Images

An Olympic sport from 1900 to 1920, tug-of-war gives company picnickers -- and apparently some grandfathers on the Irish team -- something to aspire to.

14. Beach handball KOC-CNA/Huang Kuan-pin

A Croatian defender tries to block a shot by her Italian opponent in a women's preliminary-round beach handball match at the World Games.

15. Bowling KOC-CNA/Wu Yi-ning

If you can shoot pool, then bowling can't be left out. Finland's Krista Poellaenen won the gold medal in the women's individual competition.

16. Korfball KOC-CNA/Hsu Chao-chang

England plays Belgium in a preliminary round match of korfball, which is another co-ed event.

17. Inline hockey KOC-CNA/Tung Chun-chih

U.S. player Chris Connole tries to get the puck between Taiwan goaltender Lin Chun-hen and Yu Kai-wen during their inline hockey game, which the U.S. won 7-0.

18. Life saving KOC-CNA/Huang Kuan-pin

South Africa won the gold in the women's overall team tube rescue final in the beach life saving competition July 25.

19. Parachuting KOC-CNA/Hsu Shu-tuan

Gold medal winner Stefan Wiesner of Germany approaches the landing target during the World Games accuracy landing event at Kaohsiung Metropolitan.

20. Wakeboarding Sam Yeh/AFP/Getty Images

Australia's Caitlin Blaauw competes in the women's wakeboard event July 22 at the World Games.

21. Tchoukball KOC-CNA/Hsu Shu-tuan

Taiwan's Chang Shiu-chi winds up to fire the ball at the trampoline frame during her team's 65-29 victory over Great Britain in a tchoukball qualifying match July 24.