It's been a number of years since I first played Art With Carla, but I've often thought fondly of it and knew I would replay it eventually. That time came last night... and so did I. Repeatedly.
This game stands the test of time VERY well. Newer games might have animated scenes (this game has two) but the renders here are still very beautiful, and do not have some of those really weird facial expressions in the newer engines.
The gameplay is, admittedly, old school, especially in the sense that there is only one real path to the good ending, and it is not necessarily intuitive. If that is not your thing, a simple walkthrough is at hand. Use it, because this game makes save-scumming very limited.
But the real beauty of Carla is in the story. The dialogues and progression of the relationship is believable. Heck, I've had a few strikingly similar romances in my day. The MC is not a doofus or jerk, he seems to genuinely feel what he says he feels, and Carla is neither slut nor virgin. You can really invest yourself in these characters.
Definitely going to replay this and recommend it to others.