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README.md

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+---
+license: mit
+task_categories:
+  - other
+tags:
+  - physics
+  - simulation
+  - rigid-body
+  - icml2026
+size_categories:
+  - 1M<n<10M
+---
+
+# PhysicsScenes
+
+Anonymous submission for ICML 2026: **"PhysicsLM: Autoregressive Language Modeling of 2D Rigid Body Dynamics"**
+
+## Dataset Description
+
+900K 2D rigid-body physics scenes generated with Pymunk (Chipmunk2D), across
+30 scenario types in 6 physical categories.
+
+### Statistics
+
+| Split | Scenes | Scenario types | Seeds |
+|-------|--------|----------------|-------|
+| Train | 900,000 | 24 (seen) | 1,000,000+ |
+| Val | 100,020 | 30 (all) | 5,000,000+ |
+| OOD (val) | 20,004 | 6 (held-out) | 5,000,000+ |
+
+**Total size**: ~582 GB uncompressed. Due to size, this repository contains
+metadata and a 1,000-scene sample. Full dataset available on request.
+
+### Format
+
+Each scene is a JSONL file with 1 header line + 200 frame lines:
+```
+{"type": "header", "scenario": "billiards", "difficulty": 2, ...}
+{"type": "frame", "frame": 0, "objects": [{"id": 0, "position": {"x": 400.0, "y": 300.0}, "velocity": {"x": -100.0, "y": 0.0}, ...}], ...}
+...
+```
+
+### Scenario categories
+
+- **Collision** (5 types): billiards, bowling, head_on, explosion, projectile
+- **Stacking** (5 types): pyramid, tower, jenga, dominos, bridge
+- **Ramp** (5 types): ramp_roll, ski_jump, marble_run, avalanche, plinko
+- **Constraint** (5 types): pendulum, chain, seesaw, wrecking_ball, orbit
+- **Minigame** (5 types): basketball, conveyor, pong, wind, breakout
+- **Complex** (4 types, OOD only): angry_birds, hourglass, newtons_cradle, pinball
+
+## Model
+
+[anonsubmiticml2026/PhysicsLM](https://huggingface.co/anonsubmiticml2026/PhysicsLM)
+
+## Code
+
+[anonsubmiticml2026/physics-llm-paper](https://huggingface.co/anonsubmiticml2026/physics-llm-paper)