New answers tagged axis
WASD is just a de facto standard for FPS games. If you play an FPS from the pre-Half Life era, you'll end up with all sorts of variations. That said, the analogue from 5DoF to 6DoF is jump/duck, which varies for each game. Case in point, Quake used jump and duck for up/down movement underwater, even though it used arrow keys for forward/back and turning, ...
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