set g_jetpack_maxspeed_up 600 "max speed of the jetpack in z direction"
set g_jetpack_fuel 8 "fuel per second for jetpack"
set g_jetpack_attenuation 2 "jetpack sound attenuation"
+set g_jetpack_reverse_thrust 0 "if not 0, downward acceleration when crouching with the jetpack"
set g_grappling_hook_tarzan 2 // 2: can also pull players
set g_balance_grapplehook_speed_fly 1800