Hundreds of hopefuls in tracksuits set out to cross the finish line during the opening game of "Red Light, Green Light." A cookie challenge causes chaos.

Hundreds of hopefuls in tracksuits set out to cross the finish line during the opening game of "Red Light, Green Light." A cookie challenge causes chaos.

Cracks in the competition begin to show during "Dalgona," a game that shapes up to be a daunting endeavor amid sweet victories and painful extractions.

Cracks in the competition begin to show during "Dalgona," a game that shapes up to be a daunting endeavor amid sweet victories and painful extractions.

After a player desperately tries to coax another to pick up a phone, the rest prepare for the next challenge and form teams based on brawn and bonds.

After a player desperately tries to coax another to pick up a phone, the rest prepare for the next challenge and form teams based on brawn and bonds.

Dorm elimination tests rattle the remaining players, who rush to find solutions - and avoid becoming targets. A chores session puts two allies on edge.

Dorm elimination tests rattle the remaining players, who rush to find solutions - and avoid becoming targets. A chores session puts two allies on edge.

A tempting treat motivates the group to chip in with a chore. But a pleasant picnic in the dorm takes a devastating turn when the next game is revealed.

A tempting treat motivates the group to chip in with a chore. But a pleasant picnic in the dorm takes a devastating turn when the next game is revealed.

With marbles in hand, players are forced to face off against friends and bid tearful farewells. As the money piles up, another elimination test looms.

After drawing numbers to determine the order in which they will cross the glass bridge, the players consider their options before taking a leap of faith.

As the clock ticks, the players move quickly to get to the other side of the bridge. Back in the dormitory, evading elimination becomes a dicey mission.

A nomination from the previous game puts players at odds. Emotions run high in a guessing game centered on trust. Who will make it to the final round?

As the end draws near, the finalists suit up for a lavish feast -- and a surprising test. One last game stands between a player and the ultimate prize.