development of game design

Everyone knows that with all forms of design, the period of time determines the current trend. I wanted to study how the trend of game design has changed over the years. 

With the older systems, like the PS1 and the 64, colorful platformers (jumping games) were popular, like Donkey Kong, Mario, Spryo, and Crash Bandicoot. The Last Generation systems, like the PS2 and Xbox, focused on realistic shooting games, like Halo and GTA. 

The funny thing is for the modern systems like the 360 and the PS3, the concept of realism has changed completely. Instead of realistic, natural colors, developers almost always seem to use brown, grey, and black as the only major colors. It has more of a gritty feel than a realistic feel in my opinion. I've found that game designers today prefer this gritty, warlike feel for their games that drains out all positive emotions, with games like Gears of War, Halo 3, Call of Duty, and Grand Theft Auto 4. Nothing can be colored. It lacks creativity and has only monotony.