GPU-accelerated rigid-body dynamics solver for robot learning
Stage
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Founded
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Based in
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Pricing model
Freemium
Open source
Pricing
Free: $0/month with 1 workspace, 50 entries per workspace, 15 monthly AI credits. Basic: $5/month with 3 workspaces, 50 entries per workspace, 50 monthly AI credits. Paid: $20/month with 10 workspaces, 500 entries per workspace, 200 monthly AI credits. Pro: $35/month with 30 workspaces, unlimited en
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Key features
Asset Library to organize characters, items, quests, lore and locations
AI Generation to turn rough ideas into structured game entries
Story Workboard with Kanban-style task tracking
Timeline visualization for narrative arcs and world history
JSON Export for Unity, Unreal Engine and Godot
Team Collaboration with role-based access control
Story Studio AI chat that understands your game world
Git Integration to link GitHub repos for full traceability
Character sheets with factions, roles, AI backstories and portraits
Quest Designer with objectives, rewards and AI generation
3.8× PhysX throughput on 20 benchmarks geometric mean
13.0× performance on heterogeneous task mixtures
Per-environment work scheduling for efficiency
Reduced-coordinate articulation dynamics
Differentiable simulation
Rigid-deformable coupling support
Compliant and hydroelastic contact
62% less GPU memory than PhysX at matched batch size
3.90 million environment steps per second peak throughput
What makes it different
Keeps quests, lore, characters, items, timelines and workboard tasks connected in one workspace
Exports structured JSON ready for any game engine without copying from scattered documents
Stores game design data as searchable, linked entries that evolve with production
Free plan includes one game workspace and 15 monthly AI credits
Supports collaborative game writing with team roles and shared library
Designed for heterogeneous workloads with different robots and tasks simulated together efficiently
Integrated into open-source Newton for seamless adoption without separate physics stack
Supports diverse physical interactions beyond rigid bodies
Enables scaling of diverse robot experience for general-purpose learning
Gamifying
Steel