I've only played Halo 2 and TS2 as well, and while Halo 2 is a very more complex, deep, and more realistic, I just had a hellofa lot more fun messing around with my friends playing all the different crazy modes on TS2.

Flame tag? Virus in the Hospital? Capture the bag? Priceless hours of great fun!

Halo 2>TimeSplitters 2>Halo>Timsplitters

Halo

Timesplitters 2

Halo's mutliplayer was awesome, but because but offline wise nothing beat Timesplitters, at least the 2nd one. Now Future Perfect online versus Halo's online didn't even come close. Overall I'd give it to Halo but Timesplitters 2 was one of the best multiplayer offline game of last generation.

halo 1 and 2.

In general, it's a much more satisfying experience, and longer lasting.

the timesplitters ones were good games, but i think both Halos were much better

I never played timesplitters 1 or 3. I have played all of the Halo's though.

I like Timesplitters 2 better than Halo 2. Timesplitters 2 has a lot of awesome weapons and tons of funny characters. Virus at the Mexican mission is legendary. I also like that Timesplitters is face paced wheras Halo is a medium to slow speed FPS.

It has been a while since I played Halo 2's single player, but isn't it basically "go shoot and kill everything" like Halo (1)? I prefer single player that is not, in essence, multi-player being played by yourself. Timesplitters 2 adds complexity to the single player mode. I have always liked the objective based single-player simply because it keeps it interesting.

I have, however, played a lot of Halo 2 multiplayer. When I say "a lot", I mean 15-20 hours. I have also played quite a bit of Timesplitters2 multiplayer. Timesplitters2 wins because it is more interesting and varied. Halo 2 has always felt like "generic futuristic shooter". It just doesn't have what I would call "personality".

Timesplitters 2 gets my vote.