Sites like Fanatical or G2A frequently offer Steam keys at lower prices. Dark Sector on Steam
If it isn't currently free, you can find the game at these reputable retailers: dark-sector-game-free-donload
Set in a fictional Soviet-bloc country, the game blends cover-based shooting similar to Gears of War with a dark, sci-fi horror aesthetic. Where to Legally Find or Buy It Sites like Fanatical or G2A frequently offer Steam