Very nice game! I like the visuals, very solid and appealing style. Sound desing is awesome, well-balanced and abundant. Idea is nice, simple but very ambitious. I feel like it lacks some mechanic to get more control over the guards, like being able to place them in fomation with mouse between waves, or give commands to gather or scatter, or something else. Now it's kinda possible with bumping into rocks, but it's certainly not intended. It feels important because cornering the enemy from different sides feels essential and powerful, but there's no much possibility to do so in a controllable way. Aside from that, I really enjoyed my time playing this game, great job!