ok, so... i have to say i couldn't get past the ssecond level... but i think the blame is mostly mine cause usually i suck at games.
1) art? perfect.
2) sound? perfect!
(not loud. not overly happy, if that makes sense. just good :) )
3) controls? nicely designed :)
but, to be honest, i would completly forget that one side existed when i was doing something on the other....
and then i'd look at that one side, there would be an entire army trying to kill me lmao
it would lag a bit after me dying...
idk if it was because of the browser... or my cpu or something...
or somehow because of the transition between dying and starting the level again...
(idk... just brainstorming some possible or not so possible reasons)
other than that, didn't find anything near to a bug... if there were any, no no they disguised as features :)
to be clear, i had a really good time :))
oh, and i said all of this with a neutral tone :)
you did a good job :)