About r/OneOrangeBraincell
In its own words:
A subreddit dedicated to derpy orange cats! "It's a common belief that all orange cats share a single brain cell." -Unknown
Community guide
r/OneOrangeBraincell (#896, about 1.2 million) is dedicated to derpy orange cats and the shared-brain-cell joke—photos and clips, not general cat discussion.
What belongs
Orange-cat media (about 93 posts/day). Collected rules: post orange-cat pictures/gifs/videos; no spam; no meme macros/low-effort; no NSFW/abuse; no social-media link posts.
Versus cats and StartledCats
r/cats is all cats; StartledCats is a jump-scare format. OneOrangeBraincell is coat-colour + derp personality niche.
Practical pointers
Keep it orange and on-format; skip macros and Instagram dumps.
SubMouse Editorial
The community was created on Feb 18, 2022, which makes it 4 years old. Since Oct 26, 2026, it has gained 3,021 subscribers (+0.26%). Among the 20 communities on our cats list it is number 4 by size. It sits just behind r/mildlysatisfying (#895) and ahead of r/Homebrewing (#897) in our ranking.
What sets r/OneOrangeBraincell apart
Compared with other large communities, r/OneOrangeBraincell leans heavily on images (50% of recent posts; the typical Top 100 subreddit sits at 22%). For its size it is unusually busy: about 78.5 new posts a day per million members, more than 94% of the Top 100. It is also one of the faster-growing big communities: its 1.51% gain since Sep 19, 2026 beats 97% of the Top 100. Its rhythm is strongly tied to time zones: the busiest hour (21:00 UTC) sees about 5.7× as many posts as the quietest (05:00 UTC).
Subscriber growth
Between Sep 19, 2026 and Nov 2, 2026, r/OneOrangeBraincell grew from 1,171,215 to 1,188,878 subscribers (+17.7K, +1.51%). That is about 401 new members per day. The chart uses our weekly snapshots (9 so far), so it gets longer every week.
What r/OneOrangeBraincell talks about
Looking at the titles of 602 recent posts (Oct 29–Nov 5), the words that come up most are “orange”, “cat”, “happy”, “cell” and “halloween”. Other frequent themes are brain, braincell, home, found, boy and baby. Recurring phrases include “brain cell”, “happy halloween”, “orange cat” and “accidentally somersault”. By format, 50% are images, 25% are galleries and 22% are videos.
Popular post flairs: Certified 🟠range™ (81), 🟠ne 🅱️rain cell (57), Orange Cat 🅱️ehavior™ (50), searching for service 📶 (46), ✨️Majestic orange ✨️ (31), We found a smart one! 🧠 (27).
Activity and best time to post
r/OneOrangeBraincell gets about 93 new posts a day. The public archive holds 191,271 posts and 2,210,799 comments in total, about 11.6 comments per post. Last week the busiest day was Saturday (124 posts) and the quietest was Wednesday (69). Posting peaks around 21:00 UTC and is lowest around 05:00 UTC.
Rules of r/OneOrangeBraincell
The moderators of r/OneOrangeBraincell list 10 rules. In short:
- Post pictures, gifs and videos of orange cats!
- No spam!
- No meme, image macro, low-effort content
- No NSFW, animal abuse, or cruelty
- Please do not submit links to social media.
- Please keep comments civil!
- Reposts and crossposts
- Absolutely no politics!
- Mourning/loss posts
- 🚫🤖
How to join
Open reddit.com/r/OneOrangeBraincell and press “Join”. Read the community rules in the sidebar before you post: every subreddit is run by its own volunteer moderators.
Frequently asked questions
How many members does r/OneOrangeBraincell have?
r/OneOrangeBraincell has 1,188,878 subscribers (Nov 2, 2026), which makes it the #896 safe-for-work subreddit in the SubMouse ranking. It added 17,663 members between Sep 19, 2026 and Nov 2, 2026.
How old is r/OneOrangeBraincell?
r/OneOrangeBraincell was created on Feb 18, 2022, so it has been around for 4 years.
How active is r/OneOrangeBraincell?
Very active: r/OneOrangeBraincell gets about 93 new posts a day (average of the last four weeks). Over its lifetime the archive counts 191,271 posts and 2,210,799 comments. In a sample of 602 recent posts we counted 494 different authors.
When is r/OneOrangeBraincell most active?
Based on post counts from Oct 29, 2026 to Nov 4, 2026, the busiest day was Saturday and the quietest Wednesday, and most posts arrive around 21:00 UTC, with the fewest around 05:00 UTC. More posts also means more competition, so a quieter hour can help a post get noticed.
What is r/OneOrangeBraincell about?
The community describes itself as: “A subreddit dedicated to derpy orange cats! "It's a common belief that all orange cats share a single brain cell." -Unknown” Recent post titles often mention orange, cat, happy, cell and halloween. Most posts are images (50%).
Is r/OneOrangeBraincell safe for work?
Yes. Reddit does not mark r/OneOrangeBraincell as an 18+ (NSFW) community, and its own rules forbid NSFW content. SubMouse lists safe-for-work subreddits only.
How do I post on r/OneOrangeBraincell?
Join the community on Reddit first, then use “Create post”. r/OneOrangeBraincell accepts both text and link posts, with images, videos and galleries enabled. It has 10 posted rules, starting with: “Post pictures, gifs and videos of orange cats!”; “No spam!”; “No meme, image macro, low-effort content”. Moderators remove posts that break the rules, so read them in the sidebar before posting.
Which communities are like r/OneOrangeBraincell?
Communities with similar topics include r/cats (9.5M), r/Awww (1.4M), r/IllegallySmolCats (1.5M), r/StartledCats (1.6M) and r/aww (37.9M).
Stats from public data (data updated Nov 2, 2026; activity, rules and archive totals via the Arctic Shift archive, Nov 6, 2026). Point and comment counts are archive snapshots and can be lower than on Reddit today. SubMouse is an independent directory and is not affiliated with Reddit or the moderators of r/OneOrangeBraincell.