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 $139.5K — a different platform, not this one.

Valfaris: Mecha Therion

Therion returns as the hunt for Lord Vroll continues. Pilot an advanced machine of death and destruction in this explosive 2.5D side-scrolling shoot ‘em up, and sequel to the critically acclaimed Valfaris. Strap in and unleash mecha hell! After escaping Valfaris, Therion’s hunt for the evil Lord Vroll has taken him across the galaxy. As the final, inevitable showdown looms, Therion harnesses the awesome combat ability of his secret weapon – Mecha Therion! A formidable suit of weaponised metal, Mecha Therion can be equipped with an array of devastating firepower, including Therion’s trademark Hellwraith – a minigun that shoots tormented souls. Strap in and unleash mecha hell! Fight through multiple levels of hostile alien territory Master a range of Destroyer, Melee, and Auxiliary class weapons Configure your Mecha loadout with your favourite weapon combos Earn Blood Metal to upgrade weapons and add-ons