Sullla said:
In the original NES version of Tetris, it's basically impossible to get more than 290 lines...
Of course, the NES version isn't the original.
I have a copy of the original version for DOS (in Russian!), which ran on 4-color CGA graphics, and it has ten game speeds. You get to the highest speed before you get to 10000 points, and the score actually maxes at 65535. On the highest speed, you don't go for any more Tetrises.

It's all you can do just to survive and to recover from the occasional unremoved line.
In 1992, I played for almost four hours more AFTER maxing the score.
The problem with Tetris, however, is what too much of it does to my head.

If I play much Tetris, I start to dream about it. My mind gets locked on to seeing the various shapes and fitting them together, all hours of the day, even if I am doing something else. Takes three or four days of no Tetris to get the dreams and "seeing the shapes" to stop.
The 3D version, Blockout, is even worse! Tetris in 3D! With shapes that are one to five segments long, and twisty, and "pits" where you have to fill layers instead of rows. Much more intense! I think the last time I touched Blockout was 1996. It takes up to a WEEK to get those shapes out of my head after playing a serious bout.
I don't do Tetris any more. I also never owned any kind of Nintendo anything, so I don't know whether the Nintendo version is easier or harder (prior to the ridiculous "game over" phase Sulla mentions). Since you can go forever on the original, though, any comparison is rendered incongruous. The NES version sounds like a question of how many points you can score before line 290, while the DOS version is a marathon without end.
As for DDR... I've never actually seen one of those. Maybe I should get out more.
Here's one of my favorite "lucky -and- good" challenges. It took me more than five hundred tries before I beat The Box.
Most games are impossible to win, so you have to be patient, and very very stubborn, to keep trying and trying until you both get a solvable puzzle and also manage to play your moves correctly to solve it.
Here was my first win:
I've since beaten it a second time, out of a total of about eight hundred tries.
- Sirian