用任何的文字編輯軟體打開\Doom 3\base\DoomConfig.cfg

[啟動控制台]
尋找最後一行(seta g_spectatorChat "0")
後面加入一行
seta com_allowConsole "1"
(遊戲中按"~"就可以使用控制台。)

[場景亮度]
尋找
seta r_gamma "1"
將後面參數改為"2" (數值越大效果越強)

[顯示Fps值]
尋找
seta com_showFPS "0"
將後面參數改為 "1"

[顯示自己的影子]
尋找
seta g_showPlayerShadow "0"
將後面參數改為 "1"

[DEMO測試]
進入遊戲後打開控制台
輸入 "timedemo demo1"即可
結束後會出現平均FPS值

遊戲密技，打開控制台後輸入即可
aviDemo = Saves a demo of your playing to an AVI movie file
benchmark = Game Benchmark
doomhell = Skip all levels to last
freeze = Freeze all on screen
gfxinfo = Graphicscard infomation
god = God mode
noclip = No Clip
notarget = Invisibility to most enemies
com_drawfps 1 = Show FPS
give all = Full load of weapons and ammo
give doom95 = Load the '95 version of Doom
give keys = Acquire all the keys you'll ever need
give weapon_machinegun = Machinegun
give weapon_shotgun = Shotgun
give weapon_plasmagun = Plasmagun
give weapon_bfg = BFG
give weapon_chainsaw = Chainsaw
give weapon_rocketlauncher = Rocket Launcher
status = Your game status
quit = Quid aka Exit

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