Вообще пользуйся вкладкой r/popular, подписывайся на то, что тебе нравится
Мобильная версия > PC версия
Советую в компьютерной версии в настройках включить NSFW(Not Safe For Work) контент, из мобильной не включается
Мои подписки:

Топовый разнообразный контент:
r/AccidentalRenaissance
r/AskReddit
r/askscience
r/BeAmazed
r/CrappyDesign
r/CrazyIdeas
r/dataisbeautiful
r/DesignPorn
r/EarthPorn
r/EngineeringPorn
r/explainlikeimfive
r/funny
r/gamedev
r/gamernews
r/Games
r/gaming
r/gifs
r/greentext
r/HighQualityGifs
r/hmmm
r/holdmycosmo
r/IAmA
r/interestingasfuck
r/memes
r/Music
r/NatureIsFuckingLit
r/natureismetal
r/nba
r/nevertellmetheodds
r/nonononoyes
r/oddlysatisfying
r/pcgaming
r/PeopleFuckingDying
r/photoshopbattles
r/pics
r/sequence
r/ShittyLifeProTips
r/Showerthoughts
r/soccer
r/space
r/sports
r/Steam
r/technology
r/Tinder
r/truegaming
r/UNBGBBIIVCHIDCTIICBG
r/videos
r/whatisthisthing

Котики и прочее:
r/AnimalsBeingBros
r/AnimalsBeingDerps
r/AnimalsBeingScared
r/aww
r/barkour
r/BeforeNAfterAdoption
r/StartledCats
r/ProperAnimalNames
r/rarepuppers

Нишевые:
r/AskOuija
r/battlestations
r/chemicalreactiongifs
r/CollegeBasketball
r/csharp
r/customhearthstone
r/darkestdungeon
r/deepweb
r/dotnet
r/football
r/FullScorpion
r/hearthstone
r/imaginarymaps
r/IncreasinglyVerbose
r/IndieGaming
r/iphone
r/justgamedevthings
r/KidsAreFuckingStupid
r/leagueoflegends
r/learnprogramming
r/learnpython
r/NoStupidQuestions
r/ProgrammerHumor
r/programming
r/ProgrammingBuddies
r/PropagandaPosters
r/RetroFuturism
r/russia
r/russian
r/scifi
r/shockwaveporn
r/ShouldIbuythisgame
r/Stellaris
r/totallynotrobots
r/wholesomememes
r/Xcom