Shalltear Engine vs Steel
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Shalltear Engine compared with Steel
| Detail | 
Shalltear Engine | 
Steel |
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| What it does | A free, lightweight C++ game engine with native scripting and hot reload
| GPU-accelerated rigid-body dynamics solver for robot learning
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| Not given
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| Pricing model | Free
| Open source
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| Pricing | Free to use with no fees, royalties, or revenue share. Full ownership of all created content.
| Not given
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| Key features | - Hot reload C++ scripting with state preservation
- Visual editor with dockable, detachable panels
- Prefabs with nested variants and live propagation
- Physics system with multiple joint types
- Audio mixer with effects and real-time processing
- Asset import from glTF, FBX, and multiple formats
- Standalone Windows x64 player with content cooking
| - 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
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| What makes it different | - Free and open-source with no royalties or revenue share
- Perpetual license terms that cannot change after build distribution
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | 67 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 24 |
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| Citation Flow (Majestic) | 13 | 40 |
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| Referring domains (Majestic) | 4 | 2061 |
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4 details filled in for both companies.
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