I really liked this game. On of the best I have played so far.

Fun game idea with a good implementation of the puzzle mechanics.

The art style was nice to look at and the music and audio fit the overall theme.

You did a good job of teaching the player the game mechanics, something I messed up in my game. Very important stuff :)

As an improvement, I think it's better to use the S key to teleport because it gives a nicer flow when moving between areas. Also, you don't get teleported back if you come from another area and stand on the new teleporter for a half a second too long.

I also noticed two minor bugs:

First, sometimes you cannot walk over blocks and you have to jump over them:

Second, the hitbox on doors seems to be a little bit too big:

You can also softlock yourself sometimes and have to reset with R.
I don't know if this is intentional, didn't bother me.

All in all very good work. Keep it up :)

Nice puzzles. I'm guessing there were more challenging ones on the road, but I think due to a bug I got stuck (I couldn't place down a blue essence on a triangle on lvl 3 I think). The graphics are nice, but tone down the bloom a bit. For the platforming part, you should consider coyote timing, or similar to spare the player some frustration. Overall, a good game with minor stuff to iron out, good job!

I really like  the art and music but I couldn't quite figure out the game mechanics. Super cool style though!