(You need to add the commands to the userconfig.cfg file to make them work)

• clockwindow 0 - removes the freezes after entering the new map
• cl_fastcredits 1 - enables fast credits
• cl_fovmultiplier # - increases your Field Of View, where # is multiplier (# is 1 by default)
• cl_showfps 1 - shows Frames per Second
• fps_max # - sets a limit of maximum fps, where # is a number of fps
• developer 1 - in particular, allows you to set fps more than 100
• bind "#" "inventoryuse #" - fast using item in this slot
• bind "#" "inventorydrop #" - fast dropping item in this slot
• The next 4 commands are for changing the #th part of padlock in 1st chapter:
• bind key "padlockrotate 1"
• bind key "padlockrotate 2"
• bind key "padlockrotate 3"
• bind key "padlockrotate 4"
• host_framerate 1 - speeds up all processes in the game, including cutscene duration(0 by default). Use it carefully(read the rules)
• bind # "map c_nightmare" - launches the first map of main campaign, where # is binded key
• bind # "map c_doc_city" - launches the first map of Doctor's Story campaign, where # is binded key