1. r/coolguides – Picture based reference guides for anything and everything.
2. r/ColorizedHistory – High quality colorizations of historical black and white images.
3. r/HeresAFunFact – Verifiable facts accompanied with beautiful or interesting pics and gifs.
4. r/TellMeAFact – Ask for a fact, and get a fact.
5. r/tldr – The best of reddit in a daily recap.
6. r/incremental_games – For lovers of games that feature an incremental mechanism, such as unlocking progressively more powerful upgrades, or discovering new ways to play the game.
A subreddit dedicated to the world’s unresolved mysteries.
8. r/FreeEBOOKS – Post your ebook finds.
9. r/ifyoulikeblank – A subreddit for people who are in search of new, relevant media.
10. r/whowouldwin – Debate who would win a hypothetical battle between two characters.