UFOSHOCK's artwork can be used for any non-commercial purpose, as long as UFOSHOCK is clearly credited as the original author.
For general purposes, consider it under the Attribution-NonCommercial 4.0 International license.
Do note that certain artworks have been commissioned by third parties, or gifted to specific individuals. Consider these artworks off-limits for any kind of usage.
In case you're interested in acquiring a commercial licence for any UFOSHOCK artwork, please contact ufoshock@gmail.com with your proposal.
Reports of licence infringement are appreciated, and received via ufoshock@gmail.com