This addon does what it says, add quake-like physics.
Of course this won't work well with other physics or momentum addons (because of course not), so don't mix or match with them unless you wanna mess up movement!
Most players will probably have problems getting used to the way air strafing works, and it does mess with how the core game is player. However, it's great for ringslinger if you wanna add some more of that competitive spice!
you have to hold A or D in mid air to turn