The LERP on the camera movement is really disorienting. Especially combined with the movement keys also moving the camera too. Everything feels sluggish and slow. The attack is slow and the flying animation is slow. I guess you're a giant robot so you are supposed to be slower "realistically", but it doesn't feel fun to play. Add some more movement and attack abilities so sword swinging and shooting doesn't get old. I got bored before the invader came. Also the crosshair for aiming the shooting weapon gets blocked by the mecha or the sword so its hard to aim at anything.
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