In cenotes we make a distinction between cave and cavern. Limits of a Cenote Cavern Dive : you are at a maximum distance of 67meters / 140feet from any exit (open water) you can always see the light from entrances. there are no restriction area : there is alway room for 2 people side by side.
1 In the non-canon music video for Derezzed, there is an arcade machine called Derezzed in place of the TRON arcade machine. 2  The Derezzed machine is labelled as being made by ENCOM, just as the TRON machine is labelled as such in TRON: Legacy.
1 Surround for the Atari 2600 is an example of this type. The Light Cycles segment of the Tron arcade game is a single-player version where the other snakes are AI controlled.  In the second variant, a sole player attempts to eat items by running into them with the head of the snake.