Not compatable with Sierra

I liked the mysterious nature of the game, but there is NO definite ending. You are never told anything or shown that you got to the end of the case or you have watched all the relevant videos. I kept waiting for something to tell me I solved it, but nothing ever did. It was only after I went online to chat groups that I figured out that I had solved the story literally the first day I started to play. I do not like games that have no sense of accomplishment or finality. The idea of the game is clever. But it’s ridiculous to not give it an ending or definite story. It’s like the makers want it