# Latest **URL:** https://forum.eternagame.org/latest.md [Latest](https://forum.eternagame.org/latest.md) · [Categories](https://forum.eternagame.org/categories.md) · [Tags](https://forum.eternagame.org/tags.md) --- ## [Welcome to the Eterna Forums](https://forum.eternagame.org/t/welcome-to-the-eterna-forums/7)
**Author:** [@LFP6](https://forum.eternagame.org/u/LFP6)\ **Replies:** 0\ **Last updated:** [June 21, 2020, 11:20pm UTC](https://forum.eternagame.org/t/welcome-to-the-eterna-forums/7 "2020-06-21T23:20:26Z")
Welcome to the Eterna forum! This is the place to discuss all things Eterna - puzzle help, strategies, tools, lab result analysis, science, feedback for the developers, and anything else you can think of. If you for some… --- ## [Missing achievements](https://forum.eternagame.org/t/missing-achievements/5834)
**Author:** [@Hearsall](https://forum.eternagame.org/u/Hearsall)\ **Replies:** 1\ **Last updated:** [September 17, 2026, 6:49pm UTC](https://forum.eternagame.org/t/missing-achievements/5834 "2026-09-17T18:49:06Z")
I was surprised to receive a “Designed 200 puzzles” badge yesterday, because the Achievements section of player profiles shows only up to 100, even for players who have made many more puzzles. Shouldn’t the Achievements … --- ## [Lightweight Browser Based Sequence Analyzer](https://forum.eternagame.org/t/lightweight-browser-based-sequence-analyzer/5833)
**Author:** [@AndrewKae](https://forum.eternagame.org/u/AndrewKae)\ **Replies:** 0\ **Last updated:** [September 17, 2026, 8:57am UTC](https://forum.eternagame.org/t/lightweight-browser-based-sequence-analyzer/5833 "2026-09-17T08:57:55Z")
I had Gemini help me make a very simple sequence analyzer to search for subsequences. Just open the HTML file with your browser, JavaScript needs to be enabled. --- ## [Better page titles](https://forum.eternagame.org/t/better-page-titles/5825)
**Author:** [@Wipf0](https://forum.eternagame.org/u/Wipf0)\ **Replies:** 0\ **Last updated:** [September 9, 2026, 12:48pm UTC](https://forum.eternagame.org/t/better-page-titles/5825 "2026-09-09T12:48:39Z")
Currently eternagame.org always has the title “Eterna”, no matter where on the page I am. It would be nice to have a dynamic page title with more information. For example on Puzzle 472262 the page title could be Loop nex… --- ## [Error: Unknown character ' ' in parenthesis notation?](https://forum.eternagame.org/t/error-unknown-character-in-parenthesis-notation/5141)
**Author:** [@terraofearth](https://forum.eternagame.org/u/terraofearth)\ **Replies:** 8\ **Last updated:** [September 3, 2026, 1:13pm UTC](https://forum.eternagame.org/t/error-unknown-character-in-parenthesis-notation/5141 "2026-09-03T13:13:22Z")
Hello! This problem might just be on my side, but some puzzles have read “Error: Unknown character ’ ’ in parenthesis notation” when I try to access them. This error appears with a couple of different “unknown characters… --- ## [Feature/Data Update: Please Add "RibonanzaNet-SS" to the Search Puzzle Engine Dropdown](https://forum.eternagame.org/t/feature-data-update-please-add-ribonanzanet-ss-to-the-search-puzzle-engine-dropdown/5818)
**Author:** [@lroppy](https://forum.eternagame.org/u/lroppy)\ **Replies:** 3\ **Last updated:** [September 1, 2026, 2:34am UTC](https://forum.eternagame.org/t/feature-data-update-please-add-ribonanzanet-ss-to-the-search-puzzle-engine-dropdown/5818 "2026-09-01T02:34:41Z")
Can we please add the “RibonanzaNet-SS” to the drop-down list of available Engines in the Search Puzzles Screen? Thanks --- ## [Replicase Round 1](https://forum.eternagame.org/t/replicase-round-1/5794)
**Author:** [@DigitalEmbrace](https://forum.eternagame.org/u/DigitalEmbrace)\ **Replies:** 40\ **Last updated:** [August 25, 2026, 2:03am UTC](https://forum.eternagame.org/t/replicase-round-1/5794 "2026-08-25T02:03:59Z")
The Replicase round 1 puzzle launched today. Players have lots of data from the pilot puzzle to analyze while creating new designs throughout August. Here is a spreadsheet of the score components to see which designs per… --- ## [Number of Puzzles in a Collection Recap on my home page is different than in collection](https://forum.eternagame.org/t/number-of-puzzles-in-a-collection-recap-on-my-home-page-is-different-than-in-collection/5796)
**Author:** [@lroppy](https://forum.eternagame.org/u/lroppy)\ **Replies:** 1\ **Last updated:** [August 4, 2026, 11:03am UTC](https://forum.eternagame.org/t/number-of-puzzles-in-a-collection-recap-on-my-home-page-is-different-than-in-collection/5796 "2026-08-04T11:03:44Z")
Collections are defined by users. So I recognize that the number of puzzles in a collection could change over time. I was exploring the collection titled with 5 question marks (apparently the forum will not allow me to… --- ## [MIssion Accomplished Box shows my points as added to Anonymous, but puzzle was cleared under my account (after I manually logged in to be sure I was logged in)](https://forum.eternagame.org/t/mission-accomplished-box-shows-my-points-as-added-to-anonymous-but-puzzle-was-cleared-under-my-account-after-i-manually-logged-in-to-be-sure-i-was-logged-in/5785)
**Author:** [@lroppy](https://forum.eternagame.org/u/lroppy)\ **Replies:** 5\ **Last updated:** [August 3, 2026, 9:47pm UTC](https://forum.eternagame.org/t/mission-accomplished-box-shows-my-points-as-added-to-anonymous-but-puzzle-was-cleared-under-my-account-after-i-manually-logged-in-to-be-sure-i-was-logged-in/5785 "2026-08-03T21:47:53Z")
I played & solved the new puzzle “Nearly” by Hearsall Eterna . After I solved it the mission accomplished box showed adding +100 points to Anonymous. I copied my sequence to the clipboard. I assumed I was not (still) … --- ## ["Memory Access Out of Bounds" Error in New Lab (RNA Copy Machine - Round 1)](https://forum.eternagame.org/t/memory-access-out-of-bounds-error-in-new-lab-rna-copy-machine-round-1/5795)
**Author:** [@lroppy](https://forum.eternagame.org/u/lroppy)\ **Replies:** 0\ **Last updated:** [August 3, 2026, 3:12pm UTC](https://forum.eternagame.org/t/memory-access-out-of-bounds-error-in-new-lab-rna-copy-machine-round-1/5795 "2026-08-03T15:12:01Z")
After designing for a while (43 changes) in chrome, I get the error following the === line After getting this error, I tried closing and reopening the browser tab, however the error persists when I reopen the tab. The … --- ## [MIssion Accomplished Box Scroll Bar Behavior at different Chrome browser zoom settings](https://forum.eternagame.org/t/mission-accomplished-box-scroll-bar-behavior-at-different-chrome-browser-zoom-settings/5773)
**Author:** [@lroppy](https://forum.eternagame.org/u/lroppy)\ **Replies:** 0\ **Last updated:** [July 8, 2026, 3:01pm UTC](https://forum.eternagame.org/t/mission-accomplished-box-scroll-bar-behavior-at-different-chrome-browser-zoom-settings/5773 "2026-07-08T15:01:55Z")
I was using Chrome with zoom at 100% on puzzle after solving, the Mission accomplished box successfully appeared, but the content was too large to be viewed all at once. A scroll bar was present, but seemed frozen a… --- ## [Contraint calculation issue in OpenKnot Sprint lab?](https://forum.eternagame.org/t/contraint-calculation-issue-in-openknot-sprint-lab/5769)
**Author:** [@Merida](https://forum.eternagame.org/u/Merida)\ **Replies:** 2\ **Last updated:** [July 6, 2026, 3:31am UTC](https://forum.eternagame.org/t/contraint-calculation-issue-in-openknot-sprint-lab/5769 "2026-07-06T03:31:53Z")
Not actually sure if the issue is the calculation, or my understanding of the constraint. Please do correct me if this is not in fact a bug. When trying to design pseudoknots for the current Sprint lab, I noticed what s… --- ## [Serendipity](https://forum.eternagame.org/t/serendipity/5740)
**Author:** [@Merida](https://forum.eternagame.org/u/Merida)\ **Replies:** 2\ **Last updated:** [July 4, 2026, 6:43am UTC](https://forum.eternagame.org/t/serendipity/5740 "2026-07-04T06:43:08Z")
Just wanted to share a fun moment I had a few weeks ago and ask if anyone else has had a similar experience. I interact with the public at my workplace and greet many people each day at work. During a recent shift while… --- ## [Obelisk](https://forum.eternagame.org/t/obelisk/5756)
**Author:** [@ilikebball](https://forum.eternagame.org/u/ilikebball)\ **Replies:** 3\ **Last updated:** [June 24, 2026, 1:04pm UTC](https://forum.eternagame.org/t/obelisk/5756 "2026-06-24T13:04:02Z")
An obelisk is a microscopic genetic element that consists of a type of infectious agent composed of RNA. Described as “viroid-like elements”, obelisks consist of RNA in a circular rod shape without any protein shell coat… --- ## ["Eterna is Solved"](https://forum.eternagame.org/t/eterna-is-solved/5631)
**Author:** [@Freywa](https://forum.eternagame.org/u/Freywa)\ **Replies:** 13\ **Last updated:** [June 9, 2026, 1:52pm UTC](https://forum.eternagame.org/t/eterna-is-solved/5631 "2026-06-09T13:52:32Z")
The following arXiv preprint claims to have developed an AI program that successfully solves all 100 structures of the original Eterna100 benchmark: Is this for real? --- ## [RibonanzaNet-SS in dev puzzlemaker](https://forum.eternagame.org/t/ribonanzanet-ss-in-dev-puzzlemaker/5392)
**Author:** [@DigitalEmbrace](https://forum.eternagame.org/u/DigitalEmbrace)\ **Replies:** 30\ **Last updated:** [June 1, 2026, 1:33am UTC](https://forum.eternagame.org/t/ribonanzanet-ss-in-dev-puzzlemaker/5392 "2026-06-01T01:33:47Z")
RNet has been enabled in puzzlemaker on the eternadev.org site for players to create RNet puzzles and assess how solvable those puzzles are. (New players will need to earn 20,000 points on the dev site in order to post … --- ## [Spreadsheet organization](https://forum.eternagame.org/t/spreadsheet-organization/5528)
**Author:** [@arosko](https://forum.eternagame.org/u/arosko)\ **Replies:** 24\ **Last updated:** [May 18, 2026, 5:52pm UTC](https://forum.eternagame.org/t/spreadsheet-organization/5528 "2026-05-18T17:52:35Z")
During the town hall, it was mentioned that you need someone to take a very large spreadsheet of lab results and divide it up into smaller ones that are manageable for the players. If nobody else who was in the town hall… --- ## [Lab strategy](https://forum.eternagame.org/t/lab-strategy/5735)
**Author:** [@JR1](https://forum.eternagame.org/u/JR1)\ **Replies:** 2\ **Last updated:** [May 10, 2026, 12:30pm UTC](https://forum.eternagame.org/t/lab-strategy/5735 "2026-05-10T12:30:29Z")
You may want to think about pivoting from asking for labs to use eterna as a platform to a research article generator. Create dry labs up to the point where you submit to test the results. Then market these dry labs to s… --- ## [First two CASP 17 targets are Eterna designs!](https://forum.eternagame.org/t/first-two-casp-17-targets-are-eterna-designs/5734)
**Author:** [@DigitalEmbrace](https://forum.eternagame.org/u/DigitalEmbrace)\ **Replies:** 4\ **Last updated:** [May 6, 2026, 3:53am UTC](https://forum.eternagame.org/t/first-two-casp-17-targets-are-eterna-designs/5734 "2026-05-06T03:53:20Z")
Holy Cow!!! The first two CASP 17 RNA targets are molecules designed by Eterna players during the OpenKnot rounds! Congratulations everyone! This means the molecules were resolved using cryo-EM and will eventually be dep… --- ## [414 Request-URI Too Large](https://forum.eternagame.org/t/414-request-uri-too-large/5730)
**Author:** [@AndrewKae](https://forum.eternagame.org/u/AndrewKae)\ **Replies:** 4\ **Last updated:** [April 28, 2026, 3:23pm UTC](https://forum.eternagame.org/t/414-request-uri-too-large/5730 "2026-04-28T15:23:13Z")
414 Request-URI Too Large Tried this with Chrome, Edge and Firefox \[LFV\]Folding speed test One of the last comments mentioned using Firefox to bypass errors. Using my new PC for first time so might be a problem h… --- ## [mRNA vaccine](https://forum.eternagame.org/t/mrna-vaccine/5729)
**Author:** [@JR1](https://forum.eternagame.org/u/JR1)\ **Replies:** 0\ **Last updated:** [April 21, 2026, 11:46am UTC](https://forum.eternagame.org/t/mrna-vaccine/5729 "2026-04-21T11:46:48Z")
New mRNA-based vaccines could help treat one of the deadliest cancers. In a recent study, personalized mRNA vaccines were found to significantly extend survival for some pancreatic cancer patients by creating a durable “… --- ## [Switch puzzle visual glitch from holding mouse button](https://forum.eternagame.org/t/switch-puzzle-visual-glitch-from-holding-mouse-button/5728)
**Author:** [@ucad](https://forum.eternagame.org/u/ucad)\ **Replies:** 1\ **Last updated:** [April 9, 2026, 7:51pm UTC](https://forum.eternagame.org/t/switch-puzzle-visual-glitch-from-holding-mouse-button/5728 "2026-04-09T19:51:41Z")
Bases can be shown incorrectly in some states of switch puzzles when the mouse button is held down and then redo or undo are used, and a switch between natural and target modes is made before releasing the mouse button. … --- ## [Spamming of collections](https://forum.eternagame.org/t/spamming-of-collections/5068)
**Author:** [@Hearsall](https://forum.eternagame.org/u/Hearsall)\ **Replies:** 8\ **Last updated:** [March 20, 2026, 8:01pm UTC](https://forum.eternagame.org/t/spamming-of-collections/5068 "2026-03-20T20:01:09Z")
In view of recent spamming of the Player Created Collections, I suggest players should have to meet some basic criterion to be able to post a new collection. --- ## [Formalization of RNA folding](https://forum.eternagame.org/t/formalization-of-rna-folding/5690)
**Author:** [@cake5](https://forum.eternagame.org/u/cake5)\ **Replies:** 0\ **Last updated:** [January 28, 2026, 9:10am UTC](https://forum.eternagame.org/t/formalization-of-rna-folding/5690 "2026-01-28T09:10:50Z")
Hello! I am a student who recently started playing Eterna and want to ask you guys a question about the formalization of RNA folding. Certain bases appear to be more critical “nodes” in determining the structure, whereas… --- ## [Naturally ornate RNA-only complexes revealed by cryo-EM](https://forum.eternagame.org/t/naturally-ornate-rna-only-complexes-revealed-by-cryo-em/5180)
**Author:** [@DigitalEmbrace](https://forum.eternagame.org/u/DigitalEmbrace)\ **Replies:** 10\ **Last updated:** [January 6, 2026, 8:55am UTC](https://forum.eternagame.org/t/naturally-ornate-rna-only-complexes-revealed-by-cryo-em/5180 "2026-01-06T08:55:48Z")
Rachael Kretsch has published an astonishing new preprint paper titled Naturally ornate RNA-only complexes revealed by cryo-EM where she reveals the 3D structure of three large RNA-only molecules. I’m blown away by what … --- ## [Possible new booster api functions for multi-state puzzles](https://forum.eternagame.org/t/possible-new-booster-api-functions-for-multi-state-puzzles/5674)
**Author:** [@jandersonlee](https://forum.eternagame.org/u/jandersonlee)\ **Replies:** 0\ **Last updated:** [December 31, 2025, 3:16am UTC](https://forum.eternagame.org/t/possible-new-booster-api-functions-for-multi-state-puzzles/5674 "2025-12-31T03:16:18Z")
state\_full\_pairing\_probabilities\_async(index=0) for engines that support it, computes the pairing probabilities/dot plot for the state specified by index with the current sequence and oglios, plus any other reagents i… --- ## [100 Followers on Twitch!](https://forum.eternagame.org/t/100-followers-on-twitch/4038)
**Author:** [@arnuvmodh](https://forum.eternagame.org/u/arnuvmodh)\ **Replies:** 1\ **Last updated:** [November 7, 2025, 1:45pm UTC](https://forum.eternagame.org/t/100-followers-on-twitch/4038 "2025-11-07T13:45:54Z")
--- ## [AI bot ChatGBT](https://forum.eternagame.org/t/ai-bot-chatgbt/4388)
**Author:** [@DigitalEmbrace](https://forum.eternagame.org/u/DigitalEmbrace)\ **Replies:** 4\ **Last updated:** [November 7, 2025, 1:31pm UTC](https://forum.eternagame.org/t/ai-bot-chatgbt/4388 "2025-11-07T13:31:25Z")
Hannah Wayment-Steele has issued a challenge to Eterna gamers on Twitter: Can anybody get chatGPT to make a dynamic programming routine for secondary structure? I get code that looks close, but all the snippets I’ve tri… --- ## [Ribonanza player list](https://forum.eternagame.org/t/ribonanza-player-list/4811)
**Author:** [@DigitalEmbrace](https://forum.eternagame.org/u/DigitalEmbrace)\ **Replies:** 10\ **Last updated:** [November 2, 2025, 12:30pm UTC](https://forum.eternagame.org/t/ribonanza-player-list/4811 "2025-11-02T12:30:48Z")
A paper about the Ribonanza dataset and Kaggle challenge will be written over the next few weeks, and I’ve prepared a list of players who contributed sequences to the Ribonanza dataset through the OpenKnot puzzles (and a… --- ## [Report on approach from job recruiters in May](https://forum.eternagame.org/t/report-on-approach-from-job-recruiters-in-may/5608)
**Author:** [@DigitalEmbrace](https://forum.eternagame.org/u/DigitalEmbrace)\ **Replies:** 3\ **Last updated:** [November 1, 2025, 11:56am UTC](https://forum.eternagame.org/t/report-on-approach-from-job-recruiters-in-may/5608 "2025-11-01T11:56:20Z")
Something unusual happened in May, and the Dev Team wants to fill everyone in now that the chapter has closed. A recruitment company called Micro1 posted a job position on the Eterna Discord looking for players to train … [Next page](https://forum.eternagame.org/latest.md?page=1)