Doom becomes a roguelike in this brutal FPS now at its lowest-ever price
BPM: Bullets Per Minute is a Doom-inspired roguelike FPS rhythm game. While that might sound like a random mishmash of genres, I hope developers like Awe Interactive never stop experimenting because BPM is a wonderfully unique experience. Right now, it's included in the Speedrunning with GDQ Humble Bundle, so you can get it for what works out at just $1.71 / £1.35.
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Doom becomes a rhythm game in BPM, coming to Steam this year