Nice artstyle. Interesting take on combat (but those little robots are nasty, it's not clear how to activate them and they take a lot of standing and waiting). In general platforming feels nice.
It is satisfying to find secret places with cogs, but when you lose all this progress after death is frustrating.
Also sometimes I felt that platforming requires too much precision (i.e. very first gap can be more generous, or when we first meet golden cogs).
Game lacks sound volume settings (not a major issue).