It is POP FACT that Agatha Christie invented the modern reality elimination competition when she wrote And Then There Were None way back in the dim and distant past (in fact it’s practically The Mole, do read/watch/see performed if you haven’t already).
However recently I’ve been finding I’ve been watching lots of streams of a videogame called Playerunknown’s Battlegrounds, and it’s literally the film Battle Royale with Takeshi Kitano. 100 people dropped on an island who have to loot buildings for weapons and then vie to be the last one standing, to keep people moving and to keep people close the map contracts every few minutes, dealing damage to anyone who isn’t in the safe zone. With the right people I find it quite compelling.
The closest we’ve come to this sort of thing, I think, is the Japanese show Battle For Money, a spin-off of Bother’s Bar favourite Run For Money, which featured people running around a map eliminating each other with dodgeballs. Here’s an ep with English subs: