Quaternius
Quaternius: A 3D-focused asset library with free downloads and paid Source kit access. Ranked #9 of 22 in Game Asset Marketplaces by our editors (7.6/10); pricing: Free plan; best for affordable 3D packs with engine implementations.
At a glance
- Editor score7.6 / 10
- PricingFree plan
- Best forAffordable 3D packs with engine implementations
- Free planYes
- Paid from$10/mo
- Engine supportMultiple
- Facts checked20 Sep 2026
Where it wins
- Free assets permit commercial use with no attribution required
- Downloads include FBX, OBJ, glTF, and Blend formats
- Source kits support Unity, Unreal Engine, and Godot implementations
Where it doesn't
- The catalog is focused on 3D assets rather than broader asset types
- Paid Source kit access is delivered through a Discord claim channel
- Engine implementations apply to Source kits rather than every asset
Our verdict on Quaternius
Quaternius is a web-based library and marketplace for reusable 3D game assets. It is suited to developers, designers, educators, and game projects seeking characters, environments, props, weapons, vehicles, animations, textures, or modular game kits. The library includes animated and rigged assets, humanoid rigs, retargetable animations, and downloads in FBX, OBJ, glTF, and Blend formats. Free assets permit commercial use and do not require attribution, while individual packs may use different licenses, including CC0 or the newer QAL license.
The pricing structure separates free asset downloads from monthly access to Source kits. The Free assets plan includes downloadable assets, commercial use, and no attribution requirement. Silver Tier costs $10 per month and provides one Source key every month. Gold Tier costs $20 per month and provides two Source keys every month. Diamond Tier costs $50 per month and provides five Source keys every month. The paid tiers provide access through the Discord pack-claim channel, making them most relevant to buyers who specifically want additional Source kits, source files, engine projects, or shaders rather than only the free library.
Engine and format support are the main reasons to choose Quaternius. Source kits include implementations for Unity, Unreal Engine, and Godot, while selected kits add textures and custom shaders. That combination can reduce format and engine conversion work for projects using those ecosystems. The trade-off is a narrow 3D focus: buyers looking for 2D sprites, audio, or a broader all-purpose game asset marketplace should choose another option. Quaternius fits projects that need affordable 3D packs, multiple download formats, commercial-use licensing, and optional engine-ready Source kits.
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Quaternius pricing
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Quaternius fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $10/mo |
| Asset types | 3D models, animations, textures, source files, characters, environments, props, weapons, vehicles, and game kits |
| Engine support | Multiple |
| Source files included | Yes |
| Commercial use | Yes |
| License model | Royalty_free |
| Subscription access | Yes |
| Deployment | Cloud |
| Platforms | Web |
| Support | Email, Community |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan (source) |
| Website | quaternius.com |
| Facts checked | 20 Sep 2026 |
Alternatives to Quaternius
- Construct Game Developer Asset StoreA broad Construct-focused marketplace with flexible licenses, bundles and free assets.9.2
- OpenGameArt.orgA broad, free asset archive for developers who can manage mixed licenses.9.0
- Godot Asset LibraryA convenient free asset repository for Godot, with licensing and future-platform caveats.8.8
See all Quaternius alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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