Well, theres alot of game develop software, but each one have thay own game making process and tools. Well here they are:
*Non-script ones: Game maker(you can code on it but it haves a drag and drop tool) Stencyl. Flexil. Multimedia Fusion. IG Maker.
*Script ones(ordened in difficulty from easiest to hardest): Game Maker- it uses Game Maker Language. Flash- it uses AS2 and AS3 languages. XNA- it uses C# language.