Steam

You can find the guide at Heroic Games Launcher's Wiki.

Lutris

• Click the + icon located on the top left
• Enter the name of the game you want to add
• For Runner, choose Linux (Runs native games)
• Go to the Game options Tab
• For Executable, click on Browse
• Navigate to /HeroicBashLauncher/GameFiles, choose the preferred game's launch file and hit Ok
• Finally, click Save and you're done!

Repeat the above steps if you want to add more games.

GameHub

• Click the + icon located on the top right next to the search bar
• Enter the name of the game you want to add
• For Executable, click on the folder button
• Navigate to /HeroicBashLauncher/GameFiles, choose the preferred game's launch file
• Finally, click Add game and you're done!

Repeat the above steps if you want to add more games.