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 $2.5K — a different platform, not this one.

Tiny Troopers: Joint Ops XL

CHECK OUT TINY TROOPERS: GLOBAL OPS ! Tiny Troopers Joint Ops is a spiritual prequel to the action-packed twin-stick shooter, Tiny Troopers: Global Ops! Miniature Warfare on a Massive Scale! Tiny Troopers Joint Ops is an epic bite-sized arcade shooter, filled to the brim with action-packed mini maps of mayhem! Take control of your tiny troopers as you battle evil adversaries from around the world with a multitude of weapons. Recruit specialist mercenaries such as Medics, Machine Gunners and the Elite Delta Force to subdue enemy insurgents! Collect medals, dog tags, Intel and more during the course of each mission to ensure victory. Experience the Zombie Wave Maps where the desert-dwelling dead are descending in droves to devour you in “Operation: Zombie Storm”, or fight back against a flock of poultry that ain’t paltry in “ZFC”, cruise and clear the airfield of cantankerous cadavers in “Zombie Patrol” or call in help from the skies whilst facing endless waves of Zombies in “Z-End”. • Relive the original campaigns from Tiny Troopers & Tiny Troopers 2: Spec Ops with over 60 action-packed missions. • Use the touch-screen or twin-stick arcade control system to blast your way through waves of enemy rebels. • Brainsssssss! Fight for your life through 8 Zombie Campaign missions, 4 fast paced undead wave maps & zombie survival mode. • Push your miniature militia to the edge with Ultra-Hardcore difficulty.