Since RPG Maker is brought up, want to point to some great games made with it totally worth checking out (and most are free~):
-To The Moon: Available on Steam, it's a story-based adventure game which has an amazing soundtrack and story behind it. Can check out the Steam page here:
http://store.steampowered.com/app/206440
-Yume Nikki: A free game about exploration and dreams that has become a cult classic with a surprising amount of fan-made art, remixes, fan games, and animations. It follows Madotsuki, a girl who never speaks a word and never leaves her room, to go into her dreams and find 24 effects in corners of the dreams that change her and give her abilities. Download and all info you need on the game here:
http://yumenikki.wikia.com/wiki/Yume_Nikki_Wiki
-Ao Oni: A Korean horror comedy game starring a giant purple monster. The game is surprisingly atmospheric, with the monster able to pop up any time to start chasing you along with some scripted moments. The game trolls you a lot, but has a charm that makes you want to just keep on going. Has many different versions, and a stupid amount of fan games (it's big in Korea apparently). Al. You need to know here:
http://aooni.wikia.com/wiki/Ao_Oni_Wiki
-Ib: a girl and her family go to an art museum, and soon she gets sucked into a world in a painting and goes on a surreal puzzle adventurer while trying to find a way to escape with a guy named Garry and a girl named Mary. Can find download here:
http://vgboy.dabomstew.com/other/ib.htm
-Witch's House: A trap-house survival horror game where you have to survive a series of demented traps, monsters, and puzzles while trying to escape the Witch's house! Quite funny yet terrifying, and strangely emotional, it is actually fairly recent. You can download it here:
http://vgboy.dabomstew.com/other/witchhouse.htm
RPG Maker is simple to use, but I adore some of the games people have made with it in their free time. Definitely worth checking out these games and RPG Maker itself if your type of thing.