I'll skip the preface and usual bullshit: I want a game that consists of MANY short, individual games. Action 52 does not count, as most of the games are shit and many don't even have any sort of ending.
These days, I'm always short on time and patience. I'd like to have a game that, with the use of reasonable skill, can be beaten in an hour or two. And after you finish that one, you move to the next chapter.
I don't think I'm accurately describing what I am wishing for, but it's the best I can do. Maybe I could do better by offering a hypothetical example? Let's say it's a Sonic game (2D). Instead of making an enormous, marathon length game (Sonic 3), you have a collection of Sonic 1 sized games, all with their own beginning and ending, all individual. You fire it up, and you beat it in an hour or two. The next time you have some free time, you go for the next game. On and on..etc.
I think this desire stems from two things: First is the idea of multiple games included on the same game. When I first heard about Sonic CD, it was written that "after you beat the game, you unlock an entirely new game!" Upon the game's release, it turned out that they were referring to the past/present/future stages, and the way you can alter them. It's cool, but I was expecting an entirely new game to open up upon completion of the original. Think how cool the 2nd quest on Zelda would have been if the overworld was completely different (not just in layout, but in color, art, design, enemies, etc.).
Anyway, the 2nd thing is that I no longer have time to "immerse" myself in the long-ass games of today. I KNOW I'm gonna have to shut it off in an hour, and who knows when I can get back to it? I don't want a 70 hour game--I want 70 one hour games, all from a unified concept (Rolling Thunder, Sonic, Mario, etc.)
Incidentally, minigames don't count either. What do you guys think?