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 $52.2K — a different platform, not this one.

COLLAPSED

In Collapsed you play as one of 4 unique Hunters who have to track down their prey. Each one has its own set of abilities, skills and combat style. You’ll have to travel through hazardous procedurally-generated levels, fighting dozens of enemy types and challenging bosses. This post-apocalyptic world is filled with useful items, that you’ll combine to gain new traits, and with experience points, you’ll invest in a vast skill tree. And you won’t lose all of your precious treasure when you’ll die! You’ll die a lot, and start from the beginning each time – but all of your loot and items are carried to your next run. Key features A dangerous world to explore. Collapsed features 9 uniquely styled locations with procedurally-generated levels filled with tough enemies and deadly traps. Fight your way. Choose one of 4 Hunters, each with its own ranged and close combat styles, and engage in a hardcore timing-based fights. More than 60 enemy types and 15 bosses await you! Evolve. The game features a massive and branchy skill tree to develop your unique war machine. Tools of destruction. You can combine and craft over 100 different items that’ll help on your way. Rogue-lite. Once you’ll die (and you most certainly will), you’ll have to start from the beginning – but your hard-earned items and skills carry on. Fight alone or with a friend. Collapsed features a cooperative mode for one of your friends. 10 difficulty modifiers. In case you’re into a real challenge.