r/UnsolvedMysteries
ActiveUnsolvedMysteries: This reddit is about unsolved mysteries ...
This subreddit is about unsolved mysteries. Whenever possible, actual redditors have participated in investigating the events. What you are about to read is not a news broadcast.
Members
511,726
as of February 2025
Last post
today
September 28, 2026
Posts (30 days)
87
Created
2008
September 23, 2008
Total posts
18.8K
archived
Total comments
400.3K
archived
Is r/UnsolvedMysteries dead? Active community.
r/UnsolvedMysteries is posting regularly — the latest post was today. Active subreddits can't be requested through r/redditrequest.
Find abandoned subreddits in this niche you can claim →Frequently asked questions about r/UnsolvedMysteries
How many members does r/UnsolvedMysteries have?
r/UnsolvedMysteries had 511,726 members as of February 2025, the most recent archive crawl of its subscriber count.
Is r/UnsolvedMysteries dead?
No. r/UnsolvedMysteries is active — the most recent post was today, with 87 posts in the last 30 days.
When was r/UnsolvedMysteries created?
r/UnsolvedMysteries was created on September 23, 2008.
Can I take over r/UnsolvedMysteries?
Probably not. r/UnsolvedMysteries is still in active use, and Reddit only hands over communities whose human moderators have all gone inactive on Reddit for 60+ days. If you want a community in this niche, look for abandoned subreddits on the same topic instead — DeadSubs finds them automatically.
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Activity checked September 28, 2026from the Arctic Shift Reddit archive. Member counts come from the archive's most recent crawl and may lag Reddit. DeadSubs is not affiliated with Reddit Inc.