Some of the games really look like obfuscated theft. E.g. Rubberhose Ruckus is clearly Cuphead, and even includes a peashooter. I don’t understand why basic ethics have gone completely out the window nowadays.
I think you should change the prompt in your landing page with a video demo-ing the app. Right now the prompt doesn't work, after I typed something it asks me to login, and if I created an account it asks me to pay. If you are not gonna let us try the demo, make a video.