I have a lot of experiences with such games, like the Room series. In The Room series, I had troubles with several puzzles, but always because of the content. But in Da Vinci, a lot of times it is so counter intuitive. You must click somewhere completely random on some dark wall or an item, which does not make any sense. So a lot of times I need to almost randomly click around. The puzzles are mostly good and not hard, but it's hard to figure out where to click. For example, even after getting whole 3 clue...

can't find a discussion about it here, but I'm having trouble with this puzzle because and im pretty sure i need to use that disc, but there is nothing indicating what it does and the symbol means nothing to me, have no frame of reference to what its meant to be or do....

the ending must be developed in a rush

Probably the worst ending I have ever seen in a video game. Share your opinion in the comments, spoiler alert

Game is not playable have to left click 4 or more times for a response then games crashes every 10 minutes or so. Was looking forward to part 3 but just can't play it. Any ideas? My desktop IS old and I'm getting a new one soon so won't request a refund til then...