"I agree on setting the camera";
You would add a camera further from the player character, and/or add the mini map for locate the nearby enemies, or assign the screen edges with warning arrows to mark up the close enemies.
If you want to be more fancy, you could make this into a 3rd person game, or able to move/look with joysticks. It's really up to your team suggestions for the which technical implementation is used, while on the game idea itself is enjoyable and also fascinating.