Klondike solitaire built by Qwen 3.6 and Qwen 3.8 as agents
We asked Qwen 3.6 27B, Qwen 3.6 35B and Qwen 3.8 27B in NVFP4 to build Klondike solitaire in SC# as an agent, played with the mouse: write the code and its own tests, check them, fix the problems and submit the game. 15 hidden tests checked the result. Only Qwen 3.8 27B in Think: medium passed every hidden test, Qwen 3.6 27B lost two and three, and most mistakes were in moving several cards at once.













