https://store.steampowered.com/app/1932700/Entomophobia/
This is a pre early access gameplay
A Singleplayer Rougelite Bullethell where you kill 10s of thousands of insects/bugs. including mini-boss/boss fights every 5-10 minutes. Slay Bugs, Get Upgrades, Kill more. Unlock Characters and weapons by completing achievements.
source