- CSV: UTF-8, no header row, five columns in this order: filename, language, original text, English translation, source/license.
- Voice: `/voice/voice0.wav` through `/voice/voice9.wav`; submit 5 to 10 lines; text and source information are required.
- Sprays: `/sprays/spray0.png` through `/sprays/spray9.png`; submit 5 to 10 PNGs; source is required and any visible text must be localized.
- Emoticons: `/emoticons/emoticon0.png` through `/emoticons/emoticon9.png`; submit 5 to 10 PNGs; source is required and any visible text must be localized.
- Wallpapers: `/wallpapers/wallpaper0.png` and `/wallpapers/wallpaper1.png`; submit exactly 2 PNGs; text must be included in localization when present.
- Source: use descriptive English source/licensing text that makes ownership and distribution rights clear.
This checklist is a compact implementation guide. Check the
official Valve submission guidelines
before submitting.