To "create a feature" for the file—which typically refers to the standalone assets for the original game—you are likely trying to unlock it as a playable "feature" within the sequel, Alice: Madness Returns .
Ensure you have the Alice1 folder (often found inside the American.McGees.Alice.zip ).
If you want to further improve this "feature," consider these common community fixes:
You need to modify the game's .ini files to tell it that the "Special Edition" (which includes the first game) is active.
Once saved, launch . You should now see a new option in the main menu to play the original American McGee's Alice . Additional Enhancements
Go to Documents\My Games\Alice Madness Returns\AliceGame\Config .
In the config.cfg file (found in the Alice1 folder), you can set your resolution by changing seta r_mode to -1 and adding seta r_customwidth and seta r_customheight followed by your monitor's dimensions.