Spray paint sound
player/sprayer.wav

Twice step sound when jumping:
player/pl_jumpland2.wav

Fall pain:
player/pl_fallpain2.wav
player/pl_fallpain3.wav

Walk on concrete:
player/pl_step1.wav
player/pl_step2.wav
player/pl_step3.wav
player/pl_step4.wav

Bot walks on concrete
common/npc_step1.wav
common/npc_step2.wav
common/npc_step3.wav
common/npc_step4.wav

Walk on metal
player/pl_metal1.wav
player/pl_metal2.wav
player/pl_metal3.wav
player/pl_metal4.wav

Walk on dirt
player/pl_dirt1.wav
player/pl_dirt2.wav
player/pl_dirt3.wav
player/pl_dirt4.wav

Walk in duct
player/pl_duct1.wav
player/pl_duct2.wav
player/pl_duct3.wav
player/pl_duct4.wav

Walk on grate
player/pl_grate1.wav
player/pl_grate2.wav
player/pl_grate3.wav
player/pl_grate4.wav

Walk in shallow water
player/pl_slosh1.wav
player/pl_slosh2.wav
player/pl_slosh3.wav
player/pl_slosh4.wav

walk on tile
player/pl_tile1.wav
player/pl_tile2.wav
player/pl_tile3.wav
player/pl_tile4.wav
player/pl_tile5.wav

Breathe bubbles
player/pl_swim1.wav
player/pl_swim2.wav
player/pl_swim3.wav
player/pl_swim4.wav

Climbing ladder
player/pl_ladder1.wav
player/pl_ladder2.wav
player/pl_ladder3.wav
player/pl_ladder4.wav

Wade in water
player/pl_wade1.wav
player/pl_wade2.wav
player/pl_wade3.wav
player/pl_wade4.wav

Hit wood material
debris/wood1.wav
debris/wood2.wav
debris/wood3.wav

Use a train
plats/train_use1.wav

Hit computer
buttons/spark5.wav
buttons/spark6.wav
debris/glass1.wav
debris/glass2.wav
debris/glass3.wav

Player gib sounds
common/bodysplat.wav                  

Player pain sounds
player/pain1.wav
player/pain2.wav
player/pain3.wav
player/pain4.wav
player/pain5.wav
player/pain6.wav
player/drown1.wav
player/drown2.wav
player/lburn1.wav
player/lburn2.wav
player/death1.wav
player/death2.wav
player/death3.wav
player/death4.wav
player/death5.wav

player/h2odeath.wav

Hud sounds

common/wpn_hudoff.wav
common/wpn_hudon.wav
common/wpn_moveselect.wav
common/wpn_select.wav
common/wpn_denyselect.wav

player/gib.wav

player/plyrjmp8.wav