If you have a need for some retro sound effects for your game, they're really simple to make with Bfxr. You can use it online or download for PC or Mac from the official website.
It takes some experimentation to get the best results or you could do what I tend to do and just automatically create new sounds until you find the right sound for your game. With a bit of editing in your sound editor of choice, you can boost the basic SFX to be more impressive for those tricky boss fights etc. Bfxr is a great tool for indie devs - if whoever made it is reading this, THANK YOU! :-)
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