I had go, it is alright and you can get it here
http://www.bundlestars.com/store/app-game-kit-2/ for £38(11 Hours Sales Left!) OR you can try Demo on steam! AGK 2 does have Tons of Examples for you learn!
IF You want make for Mobile Game then Either AGK 2 or Monkey X But if I was you.....try NAALAA 6(yup, it is Free!)
So what good about NAALAA 6? It got
TileMap Editor meaning you can design it then you check Tilemap Example then replace the Tilemap you have design and see it up on running
RC Build in mean you can create own Doom or quake or whatever in Mode 7!
Polygen Editor mean You can create whatever ploygen as you wish.
It got TONS of Examples(In NAALAA 6 Folders such as TileMap tutorials, Demo, Games, Graphics, Language, Librarys, Files for you learn from and also it got forum if you ever get stuck
Then there are other FREE Programming language such as BLITZ 3D(2D OR 3D World) or BlitzPlus(that if someone want code GUI)
It is up to you whichever you choose