The name input took me a couple of seconds to figure out
Killed 16 monsters, survived 71 seconds
"Strategy" I thought of: Have the monsters follow you to one edge, reappear on the other one, so the monsters turn around to face you in a nice queue for you to shoot away (repeat)

Although the starting conversation was a bit too long. I did miss it during the rest of the game. You could have expanded on the narrative to make the game stand out a bit more.