1.0.1
The project is considered ready for publication, and at this stage, new features, locations, enemies, and other additions are introduced
2.0.1
The project is considered logically complete. At this stage, updates with a small amount of new content are likely to be released on a periodic basis
3.0.1
The project has incorporated all of its original ideas, and the likelihood of adding any additional content is minimal
4.0.1
The project is archived and will only receive a patch if a critical bug is discovered