Tombstone Engine Licensing Information
- There is one type of license that covers Windows, Mac, and Linux.
- Every license includes full source code for the engine, tools, and demo game.
- The license never expires, and there is no limit to the number of games that can be made or sold.
- There are no royalties to pay.
- New major versions will be released regularly at a rate of four times per year.
- An initial license costs $495 per person and gets you the latest version.
- An upgrade to new a major version within 15 months of a previous purchase costs $195.