When comparing IndieGameMusic.com vs Kenney Assets, the Slant community recommends Kenney Assets for most people. In the question“What are the best sources of royalty free game assets?” Kenney Assets is ranked 1st while IndieGameMusic.com is ranked 13th. The most important reason people chose Kenney Assets is:
All game assets are public domain licensed, which means they're completely free to use in both personal and commercial projects. Attribution isn't required.
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Pros
Pro Exclusive licensing available
Some tracks are available for exclusive licensing. They become yours alone, and get removed from the track listing.
Pro Supports asset requests
IndieGameMusic.com provides a searchable database of musicians available for project work.
Pro Comprehensive tagging and search facility
Tracks may be searched by artist, genre, mood, license, file type, license fee, and other criteria.
Pro Public domain license
All game assets are public domain licensed, which means they're completely free to use in both personal and commercial projects. Attribution isn't required.
Pro All game assets are completely free
All of the 20,000 game assets available on the site can be downloaded for free, they require no sign-up.
Pro Packs can be combined
The various packs all have a similar style which makes it easy to mix-and-match various asset packs to create a complete game.
Pro Original vector files also included
This makes it possible to re-save these assets at any resolution needed.
Pro Nice and beautiful
Pro Wide array of asset types
The game assets come in package with 2D sprites, 3D models, audio files, fonts, UI elements, textures and full game sources (Construct).
Pro Assets can be filtered and searched
Game assets can be filtered (by type, tag) and searched through.
Pro Friendly reddit community
New releases, pack requests and help with the site can found on r/kenney.
Cons
Con Some assets may have restrictive licenses
Hosted tracks are permitted to enforce a Freeware license, which restricts their use to freeware projects only. The search system allows filtering by license. Track listings are visually tagged with available licenses.
Con Music only
IndieGameMusic.com hosts only full-length musical compositions, not sound clips or assets of any other type.
Con Large gaps between new asset releases
Because just two people are creating assets, Kenney and his girlfriend, new asset releases can have gaps of up to a month.