Go Go Nippon! ~My First Trip to Japan~ is my first visual novel, so I can't compare it to others. As a standalone experience, it's interesting. You play a tourist coming to Japan for the first time, staying with a couple of brothers you met on the Internet. The brothers turn out to be sisters - shocking! and also, you forgot to ask and apparently never shared a pronoun - and in among the inevitable progress to seduction (you only get to fall for one of them per game) there's a lot of first-time tourist information about visiting Tokyo and the environs, along with light language lessons and some good practical advice about tourist mistakes to avoid. Which is actually pretty cool. I've never been, but now I'm quite curious.
There's no nudity; the Steam game tag is wrong on this score. You manage to catch each sister minus some clothing by forgetting to knock and then forgetting to look away or close the door, but the pictures are PG-13 in nature, if not intent. Apart from that it's all about True Love, and in fact the game gets embarrassed pretty easily, like if anything ever even remotely suggests that people might be physically attracted to each other. The number of awkward-pause ellipse screens to click past [...] is staggering.
No achievements, two endings (one each for matching with each of the sisters), and if you check a game guide, as I did after my first play-through, a couple of judicious saves and liberal use of the "Skip" button will let you play quickly to the other ending and give you the couple of scenes you missed by choosing this restaurant instead of that one, and so forth. Acing one or two of these alternatives unlocks extras that will let you look at the pictures of your times with Makoto and Akira, replay scenes, and give you an index of information about the sites you visited - you can also click through in-game to Googlemaps pictures of the places you go.
The game definitely wants you to end up with one sister rather than the other, or so it seemed to me. They will both fall for you if they're called on to do so, but one harbors an intense and quiet crush and the other is all "Hi, I'm the hot one but don't let me near the kitchen." Goofy, but absorbing. The game is unvoiced, and there's an expansion which apparently renders the game in widescreen with improved animations, as well as adding more content; I only played the base package.
My small list of games finished this year