Karlsson's Gambit is an adult choice-based visual novel developed by Grym Gudinna Games (also known as Tess). As of January 2026, the game is in its second season, with the most recent public iterations following version 0.8.2 and extending to 8.31. Technical & Development Overview
In the previous version (v081), the gambit scored 42% for White (22 wins, 34 losses, 44 draws) against Stockfish 16. In the v082 test, White scored 51.5% (28 wins, 25 losses, 47 draws). For a gambit that traditionally gives up material, reaching a positive score against Stockfish at depth 40 is almost unheard of. karlssons gambit v082 test by grym gudinna new
The "helpful paper" or walkthrough for this version typically provides: Karlsson's Gambit is an adult choice-based visual novel
1. The Gambit Mechanic Rework The core namesake of the game—the "Gambit" system—has been restructured. In older versions, sacrificing an asset was a calculated risk with a predictable percentage outcome. In the "Grym Gudinna" build, the outcome is deterministic but hidden. The UI no longer shows percentage chances. You must rely on intuition and lore knowledge, reinforcing the test’s focus on immersion over min-maxing. The Jump in Win Rate In the previous
: The lead developer, Tess (Grym Gudinna), was previously a writer for a major Triple-A game studio before focusing on this project. Version 0.82 and Beyond Karlsson's Gambit Test Version 8.31b Release - Patreon Grym Gudinna Games * Home. * Collections. * Membership. Karlsson's Gambit by Grym Gudinna Games! - Patreon
Karlsson's Gambit is an old opening that was first mentioned in the 19th century by the Swedish chess player, Carl Gustafsson Karlsson. However, it wasn't until recently that the gambit gained popularity, particularly among aggressive players looking to take the game to their opponents quickly.