Upcoming shooter promises to be "the best sniper experience for PC and next-gen consoles".
Startline Tour available to everybody free of charge.
Xbox release to follow not long after today's PS4, PS3 and Vita launch.
European PlayStation gamers must wait until tomorrow.
Grab a digital copy of Rainbow Paintbrush for £31.49 by buying Virtual Console Kirby.
Only the collector's edition will be available on-disc.
Klassic Sub-Zero thrown in with this week's patch.
Many of the ideas for a sequel went into 2012's American Nightmare.