1, I'm currently going through a whole bunch of Lego video games. I've been posting my thoughts on each of them in the "Whatcha Playin'?" topic in the "Gamers Zone" subforum, so you can read through all of my posts there ever since I started this marathon back in January 2018. In fact, I have just barely finished one of them today, so expect to see me post my thoughts on it sometime in the next few days. Before I had started trying all of these Lego games (going as far back as 2007), my favorite was Bionicle Heroes (from 2006). Currently, my favorite game is The Lego Movie Videogame, though that might change as I eventually get around to some more recent Lego games (the most likely contender being Lego City Undercover).
2, Although I used to play a whole bunch of different games back in the early 2000s, I can't seem to recall any that really frustrated me more than occasionally. More recently, however, I used to play Civiliation V (played it from early 2013 to late 2017, so that's a five year period for just one game), and although I was content with playing at the easiest difficulty setting whenever I could, I wanted to unlock all of the achievements (I play on Steam). Many of those achievements were simple and straightforward, even if they often took many hours of lengthy gameplay to accomplish. However, there were other achievements that required playing certain scenarios on the highest difficulty setting. The first few scenarios, I managed to accomplish that, but one in particular really frustrated me endlessly. Even with the aid of all the guides I could find online, I was left with the impression that quite a bit of luck was essential for getting that achievement, and for a turn-based strategy game like Civilization, I really didn't want to rely on luck as a strategy. So eventually, I just gave up and ultimately accepted that I would not be able to unlock every single achievement (though in the end, I did managed to unlock 92% of all those achievements). And since I ended up logging a total of well over 2000 hours of gameplay, I decided it was best to not even bother with any more Civilization games, and that's when I was finally able to move on to those Lego games I'm now playing.