I like the art and minimalist level design.
The controls were not my favourite though (you could also use W as an alternative to jump, and S for crouch)
...and I did not manage to get by the second turret :/
Knocking the turrets over like in your gameplay video did not really work for me, when I get up from crouching or jump, I get shot immediately.
Maybe you could add some indication just before the turrets start shooting?