PrinceJS 1.15: Oliver Klemenz, Unlicense (see LICENSE).
https://github.com/oklemenz/PrinceJS
Based on PrinceJS by ultrabolido; upstream package.json declares ISC.
https://github.com/ultrabolido/PrinceJS/blob/822d2789b3a58523db914c635e33ada6794dff84/package.json

ISC License
Copyright (c) ultrabolido, original PrinceJS contributors.

Permission to use, copy, modify, and/or distribute this software for any purpose
with or without fee is hereby granted, provided that the above copyright notice
and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.

Phaser 2.6.2 / bundled libraries, license from the pinned release:
The MIT License (MIT)

Copyright (c) 2016 Richard Davey, Photon Storm Ltd.

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Original game asset notice:
Prince of Persia is an Ubisoft franchise, originally created by Jordan Mechner.
Upstream describes use of MS-DOS game assets. Those graphics, font, maps,
animation data, music and sound are NOT included in this distribution.
The code license is not an Ubisoft asset redistribution license.
Choose your own compatible PrinceJS assets folder locally; no files are uploaded.
https://github.com/jmechner/Prince-of-Persia-Apple-II#readme
https://www.jordanmechner.com/en/library/