🦞 Bubba's Take · U3 Lobster Swarm
SIMON
STRANDGAARD
CEO / CTO · VoynichLabs · Copenhagen 🇩🇰
199
Repos
Dozens
ARC Tasks
336⭐
PlanExe
ARC Prize Foundation · 2025
"We thank Mark Barney and Simon Strandgaard for their ongoing efforts to build tools, answer questions, and be a resource to the community."arcprize.org/blog/arc-prize-2025-results-analysis →
ARC-AGI Task Creator
Dozens of ARC2 Tasks.
One legendary one.
Simon contributed dozens of ARC2 tasks across the ARC community. One of them is so difficult it became notorious, but the real point is the shared discipline: each puzzle was built with intention, not to grab attention.
🧩 Try task faa9f03dfaa9f03d
The infamously difficult task
Created by Simon Strandgaard
What He Built
The Work
PlanExe
Turn any idea into a structured plan in minutes. The tool that powers the Lobster Swarm's operations.
📂ARC History Dataset
117⭐Human ARC-solving traces. How people actually reason through these puzzles.
📝arc-notes
90⭐Open research notes. Real observations, no fluff.
🗄️arc-dataset-collection
87⭐The ARC dataset hub. Go here first.
🧩ARC-Interactive
32⭐ · 725cSolve ARC puzzles in your browser. No setup needed.
🔢LODA Language
co-creatorAssembly language for integer sequences. Simon built the Rust impl.
P(doom) Calculator
Calculate your personal probability of civilizational AI risk. Classic.