I loved this game, but it seemed you could get through most of the game with the same shapes and tools. Some puzzles could even be solved with sheer brute force and persistence. Nonetheless, this is still one of my favorite puzzle games of all time due to the wonderful graphics and music(although the music tends to loop quite a bit which can get rather tedious to listen to). Very well done.
It gets very irritating when the selection box ends up getting stuck until you click, which ends up making whatever units you have selected go to the spot you clicked on, instead of killing/destroying things. I would even consider it a game-ruining bug since it can easily end up losing you a time reward.
The only complaint I have is that the music is too repetitive. Other than that, I dare say this is the greatest puzzle game I have played in my life so far.
The graphics are painfully bad and the control scheme is not combat-efficient(you should not move towards an enemy when you try to attack them when they will attack you on contact).
I think you should remove moving by mouse and only using it as an attack function. You should also replace moving by mouse with moving by WASD as well as the already-used arrow keys. Using WASD will make it much easier to consume potions quickly.
The rendering is apparently browser crashing. This really needs to be fixed. Do you even need to render it at all? Just add a glow to the lines manually. It'll be slightly time consuming, but it'll at least keep this tiny game playable.
I really wish the music didn't stop when you're playing. You could just have it still playing on the level screen or make a Next Level button when you beat a level so you don't have to select a new level.
That was a horrible game. The graphics were bad(even for 3D Flash graphics), the gameplay was pretty much nonexistant, there were no clues as to what the codes were and the music could not have been a worse choice unless you put screamo music in there. It sounded like a merge between horror and calm piano music, and since there was no horror, it really felt out of place. You could also hear when it looped and that constant tiny jump got annoying after the 14th time.