Namariel Legends: Iron Lord [Premium Edition]
A lovely casual point-and-click adventure (not a hidden-object game). It's quite long and there's lots to do, including plenty of simple but satisfying mini-games. It's all quite easy, so make sure to play in advanced mode to at least give it a little bit of a challenge!
The story is dumb, but It's very pretty, and the engaging steampunk world is full of cute critters and robots, and ... terrible voice acting. I guess you can't win it all.
The negative reviews are silly! There are many people who enjoy casual adventure games. If you are such a person, you will love this one.
I'd also like to thank the developer for supporting Linux!