Whether it fits the theme enough is up to you to decide and we're ok with 1 star on adherence to the them. We thought it fit the them in the beggining: 1 hit kill, 1 level, 1 ammo, 1 sprite (kinda it's 1 character model) and all that. At some point we weren't as sure about that and just went where the game took us. In the end we think the theme was quite broad and we do fit in it but none of the ways we fit are really interesting interpretations of the theme (confirmed by many games with the same idea of only one). But honestly that part wasn't as important to us. We focused on making the game fun to play and fixing as many bugs as we could before we ran out of time.
So we're glad you think it's one of the most fun games you've played in this jam and we'd like to encourage you to try our other games if you ever get bored and need a short and sweet game to fill your time.