VERGE 3 is provided for free use without warranty to anyone creating products with it for non-profit use.
Anyone using the engine in this way are required to have an approved startup sequence (any startup sequence proclaiming something along the lines of "made with VERGE 3" and providing a URL to the official verge homepage is generally acceptable, but if approval for any specific sequence was no secured, VERGEdev reserves the right to request the sequence be altered if deemed inappropriate).
Also, links and credits should be left in all of your readmes, documentation, and credits. The existance of a Readme is required, if only to proclaim that this was made using VERGE.
These requirements may be waived with permission from vecna.
For commercial licenses, please contact vecna. Serious inquiries only
VERGE 3 uses Firelight Technologies Pty Ltd's FMOD sound library, Chad Austin's Corona graphics library, and Jean-loup Gailly and Mark Adler's zlib compression library. They are all awesome libraries written by cool people. Please note that FMOD's license is limited to free for non-profit products, while Corona and ZLib both are completely free as long as you give them credit where credit is due.
The Sully Chronicles is released into the Public Domain and is provided without warranty or guarantee. It'd be nice if you thanked the authors of anything you use or modify from it, but we won't force you.