No revenue estimate for GOG — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.

Tesla Force

The cosmic horrors are awakening. It's time to call upon the heroes of science and eldritch knowledge to defend mankind from an assault from the outer reaches of reality! Endlessly replayable rogue-lite Randomly generated levels Wild array of devastating weapons Intense top-down shooting action Large selection of perks to customize your hero Over a dozen unique abominations to destroy Play as Tesla, Curie, Lovecraft or Shelley! UNBOUNDED HEROES Choose from four brilliant heroes of esoteric knowledge: Tesla, Lovecraft, Curie or Shelley! TECHNOLOGY UNLEASHED Utilize an array of scientific weapons, gadgets, perks, and powerups to help mankind to victory over the cosmic horrors. INFINITE LEVELS Play again and again: Procedurally generated levels offer endless fresh gameplay. No two runs are ever the same! LIMITLESS WORDLS Choose your own path through the corrupted lands, and bear the responsibilities of your choices. The world is procedurally generated offering a unique adventure each and every time!