To do so, click "add game in bottom left of the steam library. Click add non-steam game. Use the “browse” button to browse to the location of your install. Add “INovaeLauncher.exe” to steam. It should be located in
“…\I-Novae Studios\Launcher”. Name the shortcut “Infinity Battlescape”. Thats it! Launch the game from steam and now all your friends will see you playing the game, hopefully ask what it is, and gain the game some free exposure every time you play.
Also, play the game more often don’t be lame.