I totally forgot to fix a lot of things in this game due to time constraints, including that. And yes, the goal was to make weapons spawn more projectiles at higher rarities (Grey < Green < Blue < Purple < Red). Didn't really have time to balance the game as much as I wanted to, so your run totally depends on getting a good weapon drop. I sorta tried remedying this with higher drop rates but still pretty rng-based. Glad you enjoyed it!