"gfx.bloom "true/false" Enable/Disable visual bloom. Varies*
gfx.damage "true/false" Enable/Disable damage indicators. True
gfx.grain "true/false" Enable/Disable radiation grain effect. True
gfx.shafts "true/false" Enable/Disable sun shafts. Varies*
gfx.ssaa "true/false" Enable/Disable screen space anti-aliasing. Varies*
gfx.ssao "true/false" Enable/Disable screen space ambient occlusion. Varies*
gfx.tonemap "true/false" Enable/Disable HDR visual effect. Varies*
grass.displacement "true/false" Enable/Disable grass displacements. True
grass.disp_trail_seconds "1-???" Sets how long footsteps are visible in the grass. 10
grass.forceredraw "true/false" Enable/Disable grass redraw after displacement. False
grass.on "true/false" Enable/Disable grass; Improves FPS for some. True
grass.shadowcast "true/false" Enable/Disable casted shadow on objects. False
grass.shadowreceive "true/false" Enable/Disable casted shadow on the ground."
Flemme d'expliquer, en gros j'ai juste C/C le wiki http://playrustwiki.com/wiki/Controls_and_Commands