When comparing ENIGMA Development Environment vs Engine 001 Game Maker, the Slant community recommends ENIGMA Development Environment for most people. In the question“What are the best 2D game engines?” ENIGMA Development Environment is ranked 41st while Engine 001 Game Maker is ranked 45th. The most important reason people chose ENIGMA Development Environment is:
Almost full support for GML, The ability to create and access C++ types, templates, and functions, compile DLLs and other C/C++ scripts
Ranked in these QuestionsQuestion Ranking
Pros
Pro Raw C++ power and GML accessibility
Almost full support for GML,
The ability to create and access C++ types, templates, and functions, compile DLLs and other C/C++ scripts
Pro Cross platform
Support for Windows, Mac and Linux.
Pro Compatible with GameMaker
Enigma can support over 90% of gamemaker's GML language
Pro Friendly user interface
besides the powerful combination between GML and C++, beginners can also use drag and dropping.
Pro Free and Open Source

Pro Faster than GameMaker
Written in C++, many features have been demonstrated running much faster than interpreted equivalents in GameMaker (up to 10-20 times faster than GM 8.1).
Pro Under active development
Changes are made daily to add new functions/fixing bugs.

Pro Helpful error messages
A full stack trace with available cores and memory information as well as operating system and Java version including file names and number is generated whenever an exception is encountered, with a handy link to submit the issue to GitHub.
Pro Easy to use
Engine 001 allows you to get to making games quicker since you aren't putting allot of time into figuring out complicated interfaces.
Pro Light weight
An amazing minimal download size at around 100mb.
Pro Huge built-in 500+ asset library
Tons of objects ready to use to use, as well as support for easily importing your own resources. 3D files are also supported (with a subscription).
Pro Visual scripting
By using pre-build behaviors\actions and more you can 'program' your game by simply 'linking' they in the editor.

Pro Great online community for support
Engine 001 offers a tight-knit community of fellow game designers, asset creators, and just general fans of games, that all come together to assist one another.
Cons
Con A few bugs & glitches
Because Enigma is under very rapid development, with new functions added almost daily, some bugs and unexaplainable glitches can happen, though they also gets patched quickly.
Con No code refactoring
Like any C++ based programs, the ability to refactor is limited. However, the new Ide for engima will support a few refactoring cababilities
Con 3D features may not be enough for some users
The 3D capabilities of the engine are a bit limited (for today standards), and some of the times you'll need to work around to create something.
Con Windows only
The editor is Windows only, no OSX or Linux versions are planned.