Arrhenius
@arrhenius.bsky.social
He/Him. Official Bluesky account for Arrhenius, the #ttrpg set 100,000 years in the future during the next Ice Age.
Available now! https://jesseharlin.itch.io/arrhenius
https://www.drivethrurpg.com/en/product/476741/arrhenius-an-icecore-roleplaying-game
Available now! https://jesseharlin.itch.io/arrhenius
https://www.drivethrurpg.com/en/product/476741/arrhenius-an-icecore-roleplaying-game
That's the work of the wonderfully talented @jondunham.bsky.social. This is the full image:
November 9, 2025 at 2:03 AM
That's the work of the wonderfully talented @jondunham.bsky.social. This is the full image:
Why, it's November 8th! You know what that means. It's the time of year when I ask if there are any #ttrpg #reviewers who might be interested in checking out #Arrhenius! If you're looking for new titles to review, I'm happy to send you a free review copy.
November 8, 2025 at 11:32 PM
Why, it's November 8th! You know what that means. It's the time of year when I ask if there are any #ttrpg #reviewers who might be interested in checking out #Arrhenius! If you're looking for new titles to review, I'm happy to send you a free review copy.
Oh shit. I'm going to have to revise forecasts.
November 6, 2025 at 5:24 PM
Oh shit. I'm going to have to revise forecasts.
For the last three days, the number of views to #Arrhenius' itch page has doubled each day. At this rate, I'll have over 500 million page views a day by next month!
(That's how this all works, right?)
jesseharlin.itch.io/arrhenius
(That's how this all works, right?)
jesseharlin.itch.io/arrhenius
November 6, 2025 at 12:08 AM
For the last three days, the number of views to #Arrhenius' itch page has doubled each day. At this rate, I'll have over 500 million page views a day by next month!
(That's how this all works, right?)
jesseharlin.itch.io/arrhenius
(That's how this all works, right?)
jesseharlin.itch.io/arrhenius
If you’ve checked out #Arrhenius, have you made a character yet? Tell me about them! I’d love to hear what you’ve cooked up!
And if you need help making a character let me know. I’m happy to help!
And if you need help making a character let me know. I’m happy to help!
October 24, 2025 at 10:52 PM
If you’ve checked out #Arrhenius, have you made a character yet? Tell me about them! I’d love to hear what you’ve cooked up!
And if you need help making a character let me know. I’m happy to help!
And if you need help making a character let me know. I’m happy to help!
Old Mombi disapproves.
October 4, 2025 at 9:42 PM
Old Mombi disapproves.
Flames engulf the candy apple red Veygama ekamaran as it screams through the atmosphere. In seconds, the small cruiser punches a hole through the clouds revealing a frozen wasteland of endless ice. Call it what you want: Ân, Soliby, Terrewan, Colonial Prime.
This is Earth. (1/🧵)
This is Earth. (1/🧵)
September 20, 2025 at 11:17 PM
Flames engulf the candy apple red Veygama ekamaran as it screams through the atmosphere. In seconds, the small cruiser punches a hole through the clouds revealing a frozen wasteland of endless ice. Call it what you want: Ân, Soliby, Terrewan, Colonial Prime.
This is Earth. (1/🧵)
This is Earth. (1/🧵)
What are you currently RESEARCHING for projects you are working on?
A few things!
- Quantum gravity
- American regional cryptids
- Dutch sailing ships
- Knife catalogs
A few things!
- Quantum gravity
- American regional cryptids
- Dutch sailing ships
- Knife catalogs
August 24, 2025 at 7:11 PM
What are you currently RESEARCHING for projects you are working on?
A few things!
- Quantum gravity
- American regional cryptids
- Dutch sailing ships
- Knife catalogs
A few things!
- Quantum gravity
- American regional cryptids
- Dutch sailing ships
- Knife catalogs
If you see this, quote with a robot that isn’t from “Star Wars,” “Star Trek,” “Dr. Who,” or “Transformers.”
July 5, 2025 at 5:49 AM
If you see this, quote with a robot that isn’t from “Star Wars,” “Star Trek,” “Dr. Who,” or “Transformers.”
June 20, 2025 at 4:18 AM
I don't really know what I'm doing. Just sorta playing with shapes and stuff.
June 20, 2025 at 2:30 AM
I don't really know what I'm doing. Just sorta playing with shapes and stuff.
Better. Fixed the A, the H, and the E.
June 20, 2025 at 2:04 AM
Better. Fixed the A, the H, and the E.
Working on something new…
June 20, 2025 at 12:40 AM
Working on something new…
If you see this, post a sword. 🗡️ ⚔️
Here’re two by Nikola Uzelac
Here’re two by Nikola Uzelac
June 18, 2025 at 11:14 PM
If you see this, post a sword. 🗡️ ⚔️
Here’re two by Nikola Uzelac
Here’re two by Nikola Uzelac
#Arrhenius is looking for #ttrpg reviewers! If you're a reviewer and interested in checking out a new game set in the far-future post-apocalypse of the next Ice Age, get in touch! I'd be happy to send you a complimentary review copy.
June 17, 2025 at 7:48 PM
#Arrhenius is looking for #ttrpg reviewers! If you're a reviewer and interested in checking out a new game set in the far-future post-apocalypse of the next Ice Age, get in touch! I'd be happy to send you a complimentary review copy.
If you own or have checked out #Arrhenius, please take a moment to leave a rating or a review for the game on itch or DriveThru. I'd greatly appreciate it. Thanks!
And if you haven't checked it out yet, there's a free Quick Start Guide......... just saying..... jesseharlin.itch.io/arrhenius
And if you haven't checked it out yet, there's a free Quick Start Guide......... just saying..... jesseharlin.itch.io/arrhenius
June 17, 2025 at 7:07 PM
If you own or have checked out #Arrhenius, please take a moment to leave a rating or a review for the game on itch or DriveThru. I'd greatly appreciate it. Thanks!
And if you haven't checked it out yet, there's a free Quick Start Guide......... just saying..... jesseharlin.itch.io/arrhenius
And if you haven't checked it out yet, there's a free Quick Start Guide......... just saying..... jesseharlin.itch.io/arrhenius
I took HBO's "Which Deadwood character are you?" quiz! Click here to take the quiz.
June 4, 2025 at 5:09 AM
I took HBO's "Which Deadwood character are you?" quiz! Click here to take the quiz.
Best Star Trek Crew, wrong answers only.
May 25, 2025 at 12:14 AM
Best Star Trek Crew, wrong answers only.
Man... @heroforgeminis.bsky.social's new portrait studio combined with kitbashing means that I'm finally able to make some really wonderful minis for #Arrhenius.
May 22, 2025 at 8:08 PM
Man... @heroforgeminis.bsky.social's new portrait studio combined with kitbashing means that I'm finally able to make some really wonderful minis for #Arrhenius.
AWW. Thank you, someone! I don't know who gave me my first rating on DriveThruRPG, but I greatly appreciate it!
May 20, 2025 at 3:00 AM
AWW. Thank you, someone! I don't know who gave me my first rating on DriveThruRPG, but I greatly appreciate it!
Getting really close to being done!
If you look at the top, you can see there are some standard things like your appearance that you need to figure out. We talked about it some with those random rolls, but if you want to figure out the specifics of things like height, eye color, etc., you can.
If you look at the top, you can see there are some standard things like your appearance that you need to figure out. We talked about it some with those random rolls, but if you want to figure out the specifics of things like height, eye color, etc., you can.
May 20, 2025 at 2:32 AM
Getting really close to being done!
If you look at the top, you can see there are some standard things like your appearance that you need to figure out. We talked about it some with those random rolls, but if you want to figure out the specifics of things like height, eye color, etc., you can.
If you look at the top, you can see there are some standard things like your appearance that you need to figure out. We talked about it some with those random rolls, but if you want to figure out the specifics of things like height, eye color, etc., you can.
It would help if I include the table. 🤪
May 20, 2025 at 2:16 AM
It would help if I include the table. 🤪