Let me guesse: You all play with the arrows?LOL
When playing with A,S,D,W (when using a qwerty Keayboard) you have much more buttons u can use. the SHIFT, CAPS LOCK, Letf CTRL, Q, E ,R ,F, Z, X, C, TAB, and youre thumb goes on the spacebar. I play with this config for ages, ever since DOOM1 came out.