Class is (back) in session with Escape Academy 2: Back 2 School! Play in solo or co-op and explore an all-new campus, escape life-threatening puzzle rooms, and unravel a conspiracy as old as the ...

For a desktop solution like this, the main power draw is the PC itself which can run on wired power. DIY Perks says it has used a pair of receivers, so presumably that's two times 7 W.