This page lists all known command line options for Chairloader and Prey.

1. Chairloader
2. Engine
3. Preditor

These options can be added to Prey.exe command line. In Steam, they can be set in Properties -> Launch Options.

Option name	Description
-nochair	Disable Chairloader and Mod DLLs.
-nopatches	Disable optional patches for troubleshooting.
-chair_mods_path <path to a directory>	Overrides the path to Mods directory.
-nodevmode	Forcefully disables engine's developer mode, even in Debug builds. Overrides -devmode.
-devmode	Enables the engine's developer mode. Automatically set in Debug builds. Enables asserts in Release builds.
-trainer	Enables trainer functionality. Requires -devmode.
-editor	Enables the In-Game Editor for mod development.
-noaudio	Disables the engine's audio subsystem. Breaks all dialog triggers and hard-locks story progression. Reduces start up time by 10 seconds.
-renderdoc	The engine will wait for 10 seconds until RenderDoc is injected.
-shadersdebug <int>	(When shader compiler is enabled) Sets the value of r_shadersdebug.
-shaderthreads <int>	(When shader compiler is enabled) Sets the number of threads to use to compile shaders.
-lua_storedebug <int>	Enables (1) or disables (0) Lua debug output. Disabled by default in normal mode, enabled in dev mode.

These can be used in the same way as Chairloader's options. Some of these were found in CRYENGINE 5 source code and were not tested with Prey.

Option name	Description
+command_name command_arg	Not Tested Executes the console command when the game is started.
-epicuserid <string>	Set by Epic Games Store launcher. Influences the save game path.
-nomouse	Not Tested Disables mouse input, only leaving keyboard and gamepads.
-autodetect	Not Tested Forces the game to auto-adjust graphics settings to match the hardware.
-norandom	Not Tested Seeds all PRNGs with constant seed of 0.

In addition to the options listed below, it accepts everything the engine and Chairloader support after. Engine options need to be set after --.

Option name	Description
--	Mark the end of Preditor options. The following will be passed to the engine.
--extract	Enable Extraction Mode. It will load the engine and extract paks set in ExtractList.xml.
--game-path <full path>	Path to the root game directory (where GameSDK is).
--output-path <full path>	Path to the output directory.