No revenue estimate for GOG — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $5.4M — a different platform, not this one.

Necromunda: Hired Gun

Discover the grim dark universes of Warhammer where there is only war. From Warhammer 40,000 to Warhammer Fantasy and more - discover it all on GOG Warhammer Franchise page . Navigate an ocean of crime and corruption to balance the bloody ecosystem of Necromunda as a merciless hired gun. The money’s good, the dog’s loyal, and the gun’s reliable – but can you survive the hunt? Necromunda: Hired Gun is an indie fast-paced, violent, and thrilling FPS set in the darkest reaches of Warhammer 40,000’s most infamous hive city. For the right price, eliminate the most notorious gangers and mutants. Your armory is a sprawling arsenal. Your body is enhanced with a dozen customizable augments to run on walls and leap over chasms. Your cyber-mastiff will sniff out and kill enemies for you, while your grappling hook allows quick, agile traversal of the massive environments. - An indie fast-paced FPS in the Warhammer 40,000 universe - Upgrade and fight alongside your loyal cyber-mastiff - Endless weapon and augment customisation - Upgrade, advance, and level up as you collect bounties