As we refocus the conversation about games around accessibility, there's one area that often gets overlooked. Technical accessibility can be just as important and as big a barrier for people as physical accessibility. Computer games can get expensive when you account for all of the parts that go into building even a modest gaming rig. And as games have exploded in budgets for dazzling particle effects and cutting edge graphics, it can cut out a lot of gamers from the experience. So how do developers go about making games that can be played on high and low end machines?