This is the source code for the Enemies And Combat cocos2d-iphone tutorial located here. This is part 3 of a tutorial by Ray Wenderlich which starts with part 1 here
The license for the source code in the tutorial is the MIT license. No attribution is required (but is of course appreciated!)
Full text below:
Copyright (c) 2010-2013 Geek & Dad, LLC.
Permission is hereby granted, free of charge, to any person obtaining a copy of this 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.
You are not allowed to copy, modify, merge, publish, distribute, sublicense, and/or sell the tutorial text – full copyright is held by this Geek & Dad, LLC, and all rights reserved.