Multireddit:

Examples:

• 🎾 Sports
  • 🏈 NFL
  • 🏀 NBA
  • ⚾️ MLB
  • 🏒 NHL
  • ⚽️ MLS
  • ⚽️ EPL
• 💻 Programming languages
• 🇺🇸 USA states

Also check out subreddit post karma leaders