Highguard, the new free-to-play PvP raid shooter, launched to nearly 100,000 concurrent players on Steam on Monday. The game’s player base, however, declined sharply on the second day, with concurrent players on Steam peaking just under 20,000. Highguard has also met with mostly negative reviews on Steam after launch.Highguard, the new free-to-play PvP raid shooter, launched to nearly 100,000 concurrent players on Steam on Monday. The game’s player base, however, declined sharply on the second day, with concurrent players on Steam peaking just under 20,000. Highguard has also met with mostly negative reviews on Steam after launch.