I am very happy with your detailed comment and review
"it's one-time use because we're using old muskets" that's one of the theme's using, the major one is the player has only one shot to kill all the giants in ONE finishing blow.
" I see the attack on titan inspirations" actually you are absolutely right, we got the game concept inspiration from the warehouse scene in ep8 S1 we found a "one-shot" scene and I immediately got the game idea and started gamifing it.
"it's hard to calculate the range of the giants" you are right and i have fixed that already and so much more in the polished version
and the third level was messing a number fixing in the code and everything is fine now
-"the quick time event occurs it's much quicker to just spam random keys " i have just read your comment and changed it so pressing the wrong key will result to lose
-the UI and music and sound effects everything was made by us (except for the 3D Assets) I am glad you like what we made