shrug
It's not bad , except for , ... well everything.
-The enemy's re to numerous or the screen to small , they should appear
gradually.
-the music was annoying
-the upgrades lasted for no more than 3 seconds , that's useless.
-when you went a level up , or died , or finished the game , that needs to be shown .
-...
You still deserve to pass the portal but there is some work to be done.