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Prism See-Saw (プリズムシーソー), called Prism Tilt in English broadcasts, was an obstacle introduced in SASUKE 13's First Stage as the first obstacle, replacing the Yamagoe from the previous tournament.

Competitors needed to jump over a small pit onto a large triangle which was supported by an axis in its center. The addition of weight on one side of the triangle would tilt it into the water, so it needed to be crossed quickly. This obstacle required both speed and balance. However, despite eliminating a fair number of competitors, it was replaced in the following tournament with Ensuitobi.

Honma Kōta attempting Prism See-Saw in SASUKE 13

The idea of traversing a see-saw triangle was applied in Sankaku Bashi, which used in KUNOICHI 2006 Autumn as the second obstacle of the First Stage, also called Prism Tilt during the international rebroadcasts.

Competitors' Success Rate

  • All results based on the TBS broadcast and external information found.
SASUKE Clears Attempts Percentage
13 65 100 65%
Total 65 100 65%

Other Appearances

American Ninja Warrior

American Ninja Warrior 5's Prism Tilt in Baltimore

Later, Prism See-saw, called Prism Tilt, appeared in American Ninja Warrior 5 as the third obstacle in Baltimore. However, unlike in SASUKE, the triangle's weight on either side was equal.

Ninja Warrior Poland

Ninja Warrior Poland 5's Prism Tilt

In Ninja Warrior Poland 5, Prism See-Saw appeared as the third obstacle during finals' Stage One. The obstacle consisted of two triangles with a similar function to the American Ninja Warrior 5. Only two competitors were eliminated on this obstacle.