It’s a bitLethal Companybut even heavier on the absurdity.
As far as I can tell, this popularity comes down to two things.
Even the loot extraction point can kill you if lingered in too long.

Good news re: my organs staying shielded - developer Semiwork are planning on introducing public or private matchmaking.
Here’s the update video.
Joining ironmates mode is a new museum level, which they show off by demonstrating some award-winning box parkour.

Semiwork also show off a squinty, angry facial expression.