I need a list of really difficult and or competitive video games for any system/s.

They can't be sports games. It's for a story I'm writing..

4531221
Super smash melee?

4531221 Uh... Counter Strike: Global Offensive?
One of the Smash games?

4531221 TF2

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dude

4531221
Any Halo game on Legendary difficulty (though if we're talking hardest, Halo 2 FOR SURE).

4531396
that's funny

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Thanks for the suggestions. Any more?

4531379 that's for casuals. Newb

4531452 the gears of war games on expert are a nightmare/ halo 2 on legendary. The Evil Within on akuma mode. guitar hero expert mode. And so on.

4533628 Thanks.

What about games that are difficult from the get go like Ghosts N' Goblins? Know of any like that?

4533736 Battletoads...

4534385 Thanks.

4531221 Tribes Ascend, really fast FPS. Kinda small now but still one of my top games.

4541630 Thank you.

4541653 emocleW er'uoY

4541668 Why are you typing backwards?

4541684 This is the random brony group. You knoweth not what you've unleashed.