There was Shattered Horizon from 2009, a zero g multiplayer shooter: https://www.youtube.com/watch?v=xWsHxTFPxSE https://www.youtube.com/watch?v=xWsHxTFPxSE On

There was Shattered Horizon from 2009, a zero g multiplayer shooter: https://www.youtube.com/watch?v=xWsHxTFPxSE https://www.youtube.com/watch?v=xWsHxTFPxSE One fun feature was you could shut off your suit power to go into a stealth mode. This turned off all the HUD elements, and, amusingly enough, turned off most gameplay noises (the explosions and bullets whizzing by) because, in-universe, all those noises are generated by the suit computer, because space is silent!