When comparing UDK vs TIC-80, the Slant community recommends TIC-80 for most people. In the question“What are the best 2D game engines?” TIC-80 is ranked 49th while UDK is ranked 73rd. The most important reason people chose TIC-80 is:
The app contains tools for coding, sprite editing, map editing, sfx and music editing.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Large toolset
UDK has an extremely large toolset that allows creating almost anything without having to use a 3rd party tool or plugin.
Pro Triple A track record
UDK is an engine used by many big name companies for popular games such as the Gears of War series.
Pro All tools in one place
The app contains tools for coding, sprite editing, map editing, sfx and music editing.
Pro Free
Free version already includes most features but a paid version is available.
Pro Retro-styled and restricted environment
Pixelated Software with a good retro style.
Pro Many Scripting languages' supported
Use awesome scripting languages like: Lua, Wren, Moonscript, JS, Ruby, etc.
Pro Export
Exports easily to Windows, Windows-XP, mac, Linux and HTML.
Pro Noob underdog
You can imagine this engine Shiva Lua scripting language making 2d side scrolling Megaman style games a Bandai trademark.
Cons
Con Superseded by Unreal Engine 4
Con DevKit only runs on Windows
Even though UDK can deploy games to run on multiple platforms, including Mac, it does not feature support for development on Mac.
Con Limits games to FPS
UDK was originally developed for the FPS, "Unreal Tournament", and it certainly shows. While UDK is a very powerful engine, it takes quite a bit of work to make it do something other than an FPS.