I primarily used Serum for initial sound creation, plus a combination of filters, Chroma, Portal, Thermal, random Glitchmachines plugins, and delays to make the final sounds.
The RPG / Survival sounds were made by recording lots of precise knocking sounds with items on my desk.
The classic sounds remade in serum were done by visually analyzing those sounds in a spectral analyzer, and re-creating the waveforms using my knowledge of the harmonic series.
Yes, I remade "Sweden" by C418 using Kontakt.
Yes, that's the Game Boy Advance start-up sfx remade using a single oscillator.
Let me help you make your games!
gremwave@gmail.com
Discord / Instagram - @gremwave