Unreal Engine 4 is one of the most open game engines made. You can freely access the source in GitHub once you have a Epic games account, and you can speed up with game development with great resources from them as well.
ProCross-platform editor and export
ProProfessional feature set for all aspects of game development
ProFast compilation for quick iteration
ProDevelopers have full control of the engine and source code
ProA visual scripting system for non-coders enables quick prototyping
ProFree development license, including source code
ConVery high build size
IndustriousCatequil (10 karma) recommendsRizomUV
BrightZeus (70 karma) recommendsBlackmart
Simple, easy to use with detailed documentation and tons of tutorials for beginners to learn. It has a very intuitive UI, and is good enoguh for making relatively complex games. Exactly fits the description.
ProNew documentation for gd5 is good for starting
ProSupport both native and HTML5 games (web and mobile development)
ProEasy to use
ProQuickly add behaviors to objects
ProLots of features to build games
ConStill needs more tutorials
Phaser is an excellent, fully featured game framework that feels like actionScript. It's very easy to transition from flash development to Phaser because of the very reason. It works based on a stage, and has every feature that I've ever wanted in a JS game engine. Phaser has a community version (2....
ProBuilt in camera support
ProTargets mobile browsers
ProExtensive support for texture atlases and loading all kinds of content
ConPoor code structure
ConPoor documentation for Phaser 3
Krita is excellent for more than just pixel art! Next to GIMP, it's by far one of the best graphic design and image editing programs on the market.
ProEasy editing in a tiled view
ProPowerful unified OpenGL canvas
ProVector & Animation tools
ProAmazing support for displaying brushes
ProFree and open source
After hearing a lot about this software I decided to give it a shot. I expected to spend hours reading the manual, watching tutorials and going to forums to know how to do a certain thing while learning this software, just like any other CGI software. But no! I didn't need any of it. In fact, I didn'...
ProExcellent rendering mode
ProKeyboard shortcut cheat sheet is available
ProVery easy to use
Invested many hours in this game and the sequels like Oblivion and Skyrim. Huge world with lots of structures, animals and monsters.
ProLost of guilds to join and side quests to do
ProLots of mods available
ProGain levels from play
ConShallow hack and slash combat