This list is a personal compilation of resources that I use myself and consider to be good. There are certainly other good sources on the subject of game development. Consider this a starting point and feel free to send me your personal favorites that also belong on this list.
Game assets
Inspiration
Sounds:
- 99sounds
- Purple planet
- FreeMusicArchive
- Open game art sounds
- Freesound
- Kenney audio
- Sound image
- GDC - game audio
- Incompetecht - music
Unity tutorials:
Game design
- Game accessibility guidelines
- Koster, Raph. Theory of fun for game design. " O’Reilly Media, Inc.", 2013.
- Schell, Jesse. The Art of Game Design: A book of lenses. CRC press, 2008.
- Hodent, Celia. The Gamer’s Brain: How neuroscience and UX can impact video game design. Crc Press, 2017.
Marketing:
- Chris Zukowski - How to market a game
- Future Friends
- IndieBandits
- Derek Lieu - How to make a trailer
- Press kit & monitoring
- Kenney’s promotion tips
Clean code
Game related
General
- SOLID principles
- Martin, Robert C. Clean code: a handbook of agile software craftsmanship. Pearson Education, 2009.
- Freeman, Eric, and Elisabeth Robson. Head First Design Patterns. O’Reilly Media, 2020.
- Refactoring guru