Quaternius review
A 3D-focused asset library with free downloads and paid Source kit access.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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.
Quaternius pros and cons
- 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
Quaternius fact sheet, pricing and score →
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update