All I have to say to all of you game designers out there is that you shouldn't screw around with a winning formula. Take The Legend of Zelda series.
Each new Zelda game is based off of the concept established by the original game which is: A boy with a green hood becomes a hero by using his... Sword, shield, and a myriad of puzzle solving tools to save the princess and/or the world from being taken over by the evil pig-man Ganon. The only differences between the games are the graphics, the actual tools that Link finds (with a couple recurring favorites of course), and the user interface that the player uses to control our favorite hero of time. It started with the NES which is the most basic of controls, then evolved with the controllers until it ultimately was turned into a motion sensor based epic, and a touch screen on-the-go adventure.
Don't get me wrong there are games that changed dramatically but still had awesome results. Let’s take THE iconic video game character Mario for example.
(It just so happens I'm in a Nintendo kind of mood today, and here's a picture of everybodies favorite chubby italian plumber)
Mario has started as, and eventually transcended, the 2D side-scroller and has dominated every style of video game that he has been put into. He has been in: 2D, 3D, Racing games, sport games, Party games, Role-Playing Games, puzzle games, home brewed flash game, and even an educational math game for the PC that some of you may remember. Mario is the most recognized video game character of all time, but all of you know this already... which just further proves my point of him being the most recognized character of all time.
Still what exactly makes Mario so much better than the rest? His successful shift from 2D to 3D was, in my opinion, what made him so special. He started off running towards the right side of the screen leaping over stuff, going in pipes, jumping on bad-guys, and hitting his head on blocks so he could get his fix of shrooms. And what did he do when he changed dimensions.... THE SAME THING. Fundamentals people, fundamentals. Nintendo kept their winning formula of jumping on or into stuff, and simply made everything 3D. Of course they added some new content (hats, animal-themed super-powered jump suits, new bad-guys, a new level selection process, etc.), but they made sure to revolve all of the new content around the same play style that everybody loved, and still loves. (Mario was taken out of his world and placed into the different style of games just as a selectable character, mainly because he is Nintendo's top character, but still he has made more appearances in games than any other character in the history of the video game world)
BUT what's also important to the Nintendo's success was that they didn't add too much.
Everybody loves new content, but sometimes the new content is either: A. terrible and not what you wanted for that character, or B. there is just too much new content to deal with.
To sum it up: Stick to the fundamentals unless you are a truly gifted gaming company, if you do not this runs the risk of losing your fan base completely. (Rayman lost me for example) There are other reasons of course, plus it is all about personal preference anyways, don't be ashamed to play Barbie on the nes if you truly enjoy it.
More to come. (My epic Assassin's Creed story is in the works so stay tuned.)





