Interesting game and very polished! There’s a lot of hard work put into this.
I found the control scheme a bit confusing since I haven’t played games with the same controls before. I resorted to using the arrow keys because it was faster to me than Q,E,Z,C. I wonder why you opted not to use WASD in the way you used the arrow keys. Though, I haven’t played many isometric games before, so maybe its just me. So, I suggest adding changing key bindings as an option one day.
I’m not sure what game engine you used for this, but in Godot there’s an import option for sprites. Doing the 2D pixel import option for pixel art would help the sprites look more crisp even when zoomed in. Zooming in was pretty important for me to avoid eye strain. Maybe there’s a similar setting in your game engine.
Overall, good game and very replayable for those that like mazes.