/r/extremsport: Extremsport – höher, schneller, weiter! - Willkommen auf r/extremsport, der deutschsprachigen Community für Extremsportarten! - July 19, 2021 - 08:00
/r/NoSillySuffix: No Silly Suffix - Posts from the network of subreddits which uses that ridiculous suffix. - October 27, 2017 - 12:43
/r/AdrenalineFans: Adrenaline Fans - October 27, 2017 - 12:42
/r/AdrenalinePorn: AdrenalinePorn - Eye candy for extreme athletes and adrenaline junkies! - High quality images of heart racing activities (not sex). - October 27, 2017 - 12:39
/r/interestingasfuck: Interesting As Fuck - For anything that is InterestingAsFuck - October 27, 2017 - 12:39