Can we get a recomendation list going on this thread? Simple recomending games or avoid them. I got two you should avoid, SunAge and Alpha Prime.
Now if you know SunAge's fame, you're right, I had it coming the moment I decided to play, I read the reviews, the articles and made the mistake of thinking "it might not be so bad". It turns out that yes, it is that bad. For those that dont know, SunAge is the most bug infested game that has been seen, even patched this game is still going to crash on each and every mission due to more than one bug. I only managed to finish it because there some kind souls left on the official forums who had painstakingly run into every bug and found the solution for them.
Was it worth it? No, the story of the game is simply never explained to you, you never know exactly whats going because it is never show to you whats happening. In short, NEVER pick up this game.
Alpha Prime on the other hand is simply boring. It runs on the Doom 3 engine which makes it pretty enough but the story is just boring and convoluted (you're going after something called Glomar. Yes, Glomar.). I get the feeling no one played the game before launch because the AI is set to a ridiculous level where they can hit anything at any distance with any weapon with extreme accuracy. Can you at least do the same? Of course not. Get this game if you're really that bored but otherwise pretty much anything out there is better.