Robin Arnott is an audio designer and game developer who developed Deep Sea, released in 2010, and SoundSelf. Both games focus mainly on audio, with Deep Sea being audio only and SoundSelf featuring audio accompanied by abstract visuals. He also did sound design for Antichamber.

About SoundSelf:  Use your voice to generate a hypnotic world of light, color, and sound.

Now, more than ever, the stresses of daily life grind us down. A strong meditation practice helps us feel more at peace and ready to meet the world.  But those very stresses make it difficult to form a practice. The constant pressure distracts the monkey brain, and we drift into anxiety instead of stillness. SoundSelf induces a meditative state.  SoundSelf will gently lull you into meditation by engaging you in a centuries-old practice called "toning."  You'll breathe deeply and exhale in long extended tones, SoundSelf will produce audio/video feedback to shift you into meditation. Relax and let go.

https://soundself.com/

https://www.enterandromeda.com/

http://eastforest.org