Filament

Firstly, Filament is a VERY long game, it’s not your average little puzzle game.
Secondly, it’s also VERY hard, you’re warned.

It features lots of various puzzles and mechanics that are nearly impossible (or at least very hard) to anticipate. You have to try things and deduce while doing the puzzles, but they are not unfair unless you’re not even trying to think and just hope it’s gonna solve by itself.
The difficulty is progressive for each mechanic ,with the first puzzles acting as tutorials and the last ones being very hard. The ship is free to explore though, so you can just leave and go back later on a puzzle if it’s too hard.
There are also “environmental” puzzles hidden in the ship, like in The Witness but harder, which are a nice bonus.

Apart from that, the visuals are really good and the way the story is told is original with several twists. The end could’ve been better explained though.

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Developer: Beard Envy
Publisher: Kasedo Games, Maple Whispering Limited
Platforms: Steam – Windows/Linux, Nintendo Switch
Release Date: April 23, 2020