This gallery mostly consists of comparison shots, with Nvidia's RTX ray tracing system enabled or disabled. Click back and forth to see the difference. This one has RTX enabled. On Monday, Mojang and Nvidia kicked off this week's Gamescom gaming conference by unveiling a substantial update for the blocky, mega-popular game Minecraft: a visual patch coming exclusively to owners of Nvidia RTX graphics cards for the game's Windows 10 version.