The idea is great, the art and animation were amazing, and the music fit well!
I feel a tutorial is needed for this game, and with the opening scene having an empty area, I feel this might be a good place to add some tutorials on the controls. I tried going into the game without reading the description (where the controls are) at all, and it was basically impossible to play.
The game feels really slow, the cutscenes and transitions felt really slow, even at the opening cutscene, I thought my game was lagging with how slow it was, perhaps a way to skip it would be great. I spent awhile clicking around for invisible buttons and mashing keys on my keyboard, thinking a “Play” button was gonna pop up before realising it was a cutscene that brought you straight into the game. The transitions from one map to another also felt really slow. The time it takes for the turret to start turning when pressing the lever felt slow as well. While it might be intended, I felt similarly with the animation of the explosion attack. I died a lot of times, and with how slow the screen fades, I felt like I was spending more time in the death animation than playing the game.
The boss was really difficult and felt a little lacking in terms of what you can do to him. It felt like the best way to defeat him was to do nothing but run around, which seemed un-interactive.
Perhaps a line indicator for the turrets like how the enemies have would be great, as I died in the starting area from the first turret destroying the wall, not being able to see that there was even something there preparing to fire. Also, although the line indicators did show they could attack, it felt weird that the enemies were able to attack me through the walls. The turrets also sometimes changed directions while charging up, leading to me running right into a beam.
I liked how the map was designed to let the player learn the game mechanics, such as the cracked wall, gaps etc. The fact that enemies were put behind the cracked wall to let players know that the explosion could kill enemies shows how much detail and thought was done to show players the game mechanics.
I did not think much of the main banner of the game, but the art and music are much better than expected. Especially the boss fight, huge props to the composer.
I really liked the indicators for the game, such as the turret lighting up before firing, as well as the enemy attacks, though I feel more should be added. There is indicators for when the enemy starts an attack, but I feel that another could be added right before the attack actually launches so players can dodge at the last second.
The game is really promising with the current prototype. In fact, with some polish, tweaks and balancing changes, I could see this game being on Steam for more players to enjoy. A really good entry and well done to the whole team!