Just wanna share something I recently found out from one of my various experiements.
DO NOT MAKE HARD GAMES!
Why? What brought to this? One day I created a game. I made it playable till the end. Not so easy but playable. Released it and from a lot of people, I got: "Enjoyable, fun but too easy.". (to sum up) Some said: "No challenge. I can do without upgrading my weapons." (but of course they didn't. snobby smarty-pants)
So, I decided to make hard games. 5 hard games. What happened? More people complained. Less people said the games were fun. Wait, I thought they wanted the games hard? And I thought they said they were smart? Apparently not? ....
I wrote the full article on my website: Game Developers, Do Not Make Hard Games