SurLeFil
Playing now
0+0 vs. yesterday
0.0%of peak
All-time peak
110 Sep 2026
Playing now
0+0 vs. yesterday
All-time peak
110 Sep 2026
| Published | Kind | Announcement | Build |
|---|---|---|---|
| In-game event | SLF Reborn 3.7 — The World is Mathematical The World is Mathematical This release brings the long-promised decimals and fractions to the Math Corner, and extends Pythagor Hall to circles. — Math Corner — Decimals & Fractions — A full new wave of lessons and exams arrives in the Math Corner: 8 new lessons covering decimal addition, subtraction, multiplication, division, and the introduction to fractions ("when a number breaks"), followed… | 23398741 | |
| Community | Decimals & Fractions: 8 new lessons, 20 new challenges We've been hard at work on the next big content drop for SLF: 8 brand-new math lessons and 20 new challenges, all built around decimals and fractions — coming late May. Learners explore why a number breaks apart and how to tame it — through story, characters and hands-on challenges, never rote drilling. New here? SLF (Sur le Fil) is a narrative educational game for ages 8–15. Maths, electricity… | — | |
| Game update | v3.6.0 — May 8, 2026 — Polishing the Foundations This release focuses on consolidating and refining what's already there rather than adding new buildings — making the existing experience cleaner, more pedagogical, and more reliable. Special attention was given to the geometry stack, which received a deep rework under the hood. Math Reworked the math courses to remove random number generation during lessons. The professor now demonstrates oper… | — | |
| Game update | Minor Corrections New Scriptorium musical theme and few minor corrections | — | |
| Game update | Scriptorium V1 beta — Update 28/04 Following early beta feedback, a few Scriptorium V1 beta — Update 28/04 Following early beta feedback, a few improvements: QR code is now bigger (300×300), easier to scan on smaller displays Scenario flow clarified: write your page first, then validate, then scan the QR — Prof'Fil explains the timing New "Original Image" button to see how the game processes your photo | — | |
| Game update | v3.5.0 — April 26, 2026 — The Scriptorium a brand new building dedicated to handwriting practice, inspired by the medieval monastic tradition and patroned by Alcuin of York, the scholar who reformed European writing under Charlemagne in the 8th century. A complete handwriting recognition pipeline: Players print blank pages from SLF, write by hand, photograph them with a mobile device, and the system reads back what they wrote. Each pla… | — | |
| Community | Drawing the Words Two new projects in development SLF continues to grow. Two major pieces are currently being built into the campus, and this trailer gives you a first glimpse of one of them — the Scriptorium . The Scriptorium & Historium — learning to write, by hand A new building is rising at the edge of the campus: a stone scriptorium inspired by the medieval copy-houses, crowned with a golden quill. Inside,… | — | |
| Game update | Small Correction Patch for Build 3.4.0 Small Correction Patch for Build 3.4.0 Thanks to Kastuk for the feedback. | — | |
| Game update | ]v3.4.0 — March 13, 2026 — Geometry, Music & Developer Messaging v3.4.0 — March 13, 2026 — Geometry, Music & Developer Messaging Added the first playable geometry levels in the new Pythagor Hall, allowing players to construct and explore simple geometric shapes. New musical themes have been added to improve the atmosphere across several areas of the campus. Introduced an in-game developer reply system. Players can now receive responses directly inside the ga… | — | |
| Community | The Pytha Room Is Evolving The Pytha Room is evolving. Over the past weeks, I’ve been working on fully interactive geometry tools inside Sur Le Fil. The ruler, compass, set square and protractor are now functional and integrated into the Pytha Room. Geometry in SLF is not just visual — it’s something you manipulate, measure and construct yourself. With these tools in place, the next milestones include: • Constructing acc… | — | |
| Game update | 🔧 v3.3.0 — Progression & Kastuk V2 Update January 19, 2026 📝 Exams Local file download for non-WebGL builds, avoiding browser-based downloads Added Professor intro voice lines for selected exams 🔌 Simulator Press E to quickly create a wire Fixed issues with the Add Wire / Exit Add Wire Mode toggle 🎙️ Voices Fixed several EN voice lines with inappropriate tone Issue caused by punctuation constraints in ElevenLabs 📈 Progression System Introduced 3 Hi… | — | |
| Game update | Version 3.2.0 – Player Feedback Improvements (Special thanks to Kastuk) 🎮 UX & Pacing Improved teacher dialog control: Added Space key to pause / resume teacher speech. Clear explanation added early in the game. Fixed UI focus issues: Prevented unintended button activation after keyboard input by clearing UI focus. ⚡ Simulation & Performance Increased simulation speed in the Switch scenario: Reduced waiting time for lamp activation on low-end machines. Proper hand… | — | |
| Major update | Sur Le Fil Reborn: a new foundation for the project Complete redesign of the game architecture · New unified campus · New simulation engine · New progression system · New educational content · Introduction of Robert, a programmable robot to discover logic and programming · Improved stability and performance | 21446654 | |
| Game update | Version 3.1.0 Introduction of Robert, a programmable robot created to introduce players to the basics of coding. Minor corrections. | — | |
| Game update | Minor bug Update SID Management | — | |
| Game update | Update 3.0.21 Minor update | — | |
| Major update | Update V5.1 Lots of feedback on the difficulty of the first level of electronic missions Prof will now teach you the main workings. | 9352216 | |
| In-game event | OTW Demo Added shortcut to tutorial videos to learn more about the electric simulator. Fixed activity tree. Fixed music level being too loud in classes Minor fixes | 9352216 | |
| News | OnTheWire Demo is avail I am happy to offer you about ten levels -3 electronic missions in the simulator . -1st course on the potential -1st course of Math on column addition -1st course of sciences with an overview of the movement of charges in a circuit -1st level of the mechanical simulator where we discover the gears and the connecting rod -1st level of test and control where we solve additions in columns under th… | — | |
| Major update | OnTheWire Main changes: - Ability to switch to windowed mode. - Video recording option in the electronic simulator. Functionality a little resource intensive, will be improved, but in the meantime, do not make too long videos. - Added first level of assisted tabletop assignment: Addition in columns (The level is a bit uncluttered, this will of course be improved) | 9018392 | |
| Major update | OnTheWire Demo Updates done in this version 2.6 1- New design of the Campus Buildings to get them more "Cartoon" 2- Add a Loading progress bar between different scenes 3- Bug correction First mecanic level 4- A picture of the last circuit is taken if it has failed. The player can mail Prof with it to get help Next update priority 1- Replace the actual Activity tree to allow user to see is progress in all the… | 8976228 | |
| Major update | OTW Demo A demo of the game has been opened to a couple of players for the moment. I will open it to more players as soon as I receive positive reviews from the actual testers. Modifications done on the actual live 2.41 version 1- The player can now select the screen resolution and quality according is computer performance. 2- Several windows have been modified to improve the player interface understand… | — |
Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.