There's non-environmental puzzles unfortunately (I never liked those) that are basically mini-games, and there's too many of them. There are no actual in-game puzzles other than finding a keycard to open some door or a battery for some device. If you're expecting actual, point&click adventure style puzzles, you won't find them here.
The story is nice and keeps you playing, but the ending is a bit abrupt.
Graphics are decent with nice atmospheric lighting. Game is capped to 30FPS by default (which makes the mouse pointer feel atrocious,) unless you unlock it manually through a registry edit (look it up on PC Gaming Wiki.) I ran it at 4K on a 4070 Ti Super and it stays locked to 60FPS 100% of the time, although GPU utilization is quite high for a game like this and of that age. It uses the Unity engine, so optimization is absolutely terrible. Back in 2016, so GPU could run this at 4K 60, which is why they locked it to 30. Fortunately now in 2024, it should be no problem.
There's one big technical problem though. The clicking is broken. More than half you clicks to move the character don't register. You constantly have to spam-click for the game to register the clicks. So this is a poin&click adventure game where the pointing&clicking is broken... Yeah. And they never fixed it.
But good effort overall. I enjoyed it, even if it seems it was made by people who don't really understand the genre. IMO, everyone who intends to create an adventure game should play Fate of Atlantis and Grim Fandango first to see what the peak of the genre is.
It's a 6 to 8 hour game, depending on your play style. Episode 1 is free anyway, so just try it. The first episode it actually representative of how the complete game is going to feel and play like.