On the ground at PlayerUnknown's 2-day in-studio modjam where devs broke their own game

It is about one hour to presentation time and Alexander Helliwell has decided to experiment. His mod—an attempt to convert Prologue: Go Wayback's default temperate woodland biome to a scorching desert—was looking pretty slick last time I passed by: all dazzling sunsets and dry heat and, an added bonus, running quite well. Turns out that yanking most of the game's world out and replacing it with sand carries a performance uplift.

It's still performing quite well, but a glance at his screen reveals a new, seemingly major change.