When I was young I played video games like they were an open world full of mysteries I was uncovering by myself, as the first and only explorer. Then I realize

When I was young I played video games like they were an open world full of mysteries I was uncovering by myself, as the first and only explorer. Then I realized all the little things I was discovering were actually known by everybody else. Specially, they were made by someone else. As I grew old I kept thinking about how to make a game that would have secrets no one knew, not even the game maker. But that's impossible, not even Dwarf Fortress or similar very complex games where you can do basically almost anything are like that. Every game is just a treasure hunt made by some adult for kids to play -- and that is very depressing.