Renegade Soundplay "High Score Ultimate Bundle - Super Retro, 8-bit Drums and Anniversary Edition" 1980's game sound generator plugin ($29.95) until 1 November : r/AudioProductionDeals
sfxr - A Great Free Sound Effect Generator - Nostatic Software Dev Blog
RPG in a Box - Sound FX Generator Preview - YouTube
Sound Generator png images | PNGEgg
Frequency Sound Generator - Apps on Google Play
Generate Sound Effects For Your Android And IOS Delphi XE7 Firemonkey Games And Apps