What game(s) would you use to introduce someone to WASD/Mouse controls? - sh.itjust.works

My partner is interested in learning some of the games I play, so I’m trying to find some introductory games to get her used to the common control schemes. Off the top of my head, it’d probably have to be games that… * Have few inputs beyond the basics * Are not difficult or punishing * Are approachable mechanically (So as not to overwhelm them when they’re focus on learning basic controls) * 2D is probably preferable, since its easier to understand and process whats happening at a glance. The only game that particularly comes to mind is Portal, but hopefully others will have some better ideas.