Minecraft

Minecraft is a first-person block-placing sandbox game first created in Stockholm, Sweden by programmer Markus "Notch" Persson and currently being developed by the gaming company Mojang, with Jens Bergensten (a.k.a. "Jeb") at the lead.

It is the SECOND BEST-SELLING VIDEO GAME OF ALL TIME with 250 MILLION DOWNLOADS.

Second to:

No, not Fortnite.

TETRIS!