Two Challengers must compete simultaneously against two Gladiators while locked inside their own Atlasphere (a round metal ball).

Gladiator and Challenger face-off against one another on two raised platforms, using pugil sticks to knock each other off their platform while trying to remain on their own platform.

Challengers must run through the Gauntlet within 30 seconds, negotiating collision with any of the five Gladiators protecting the five combat zones.

A Challenger has 60 seconds to negotiate a playing field from a platform at one end to a platform set at the other using only a series of gymnast rings hung above the arena floor.

Challengers run to and fro across a suspension bridge from two raised platforms. Four Gladiators - two placed on either side of the bridge - are armed with demolition balls.

The Gladiator and Challenger are positioned on opposite sides of a five-metre wide, net-covered Pendulum suspended above the arena floor.

Five goal pods are placed on a square level playing field - one on each corner and one in the middle. Fifteen balls are located at both ends of the field.

Two Challengers simultaneously attempt to climb to the top of the Pyramid, registering their arrival by hitting a button.

A Challenger and Gladiator face-off on a circular platform, approximately five metres in diameter, situated above the arena floor.

The Challenger, armed with a hammerhead, must run from one end of the suspension bridge to the other within 30 seconds.

The Gladiator and Challenger race each other along two parallel lines at the top of five flexible poles.

Challengers attempt to climb The Wall within 60 seconds with a Gladiator pursuing them after a seven-second head-start.

Challenger and Gladiator will square off inside a 20-foot circle for 30 seconds, with one hand each strapped to an end of a ‘dog bone'.

A head-to-head competition between the two Challengers, the Eliminator is a high-stakes obstacle course involving climbing, running and swinging.