Gaming Challenge! (ideas)

Hello everyone this is my first post, I have come here to seek help!

I need someone to give me a challenge for one of these games below. I need ideas for my YouTube channel where I complete, well... gaming challenges?

Amnesia: The Dark Descent

ArcaniA - Gothic 4

Arma 2

Arma 3

Batman: Arkham Asylum

Batman: Arkham City

Botanicula

Burnout Paradise: The Ultimate Box

Company of Heroes 2 - 20 hours left

Counter Strike

Crysis 2 Maximum Edition

Darksiders II

Day of Defeat

Dead Island

Dead Space

Deathmatch Classic

Devil May Cry 4

Escape Rosecliff Island

Euro Truck Simulator 2

F.E.A.R.

F.E.A.R. 2 : Project Origin

F.E.A.R.: 3

F.E.A.R.: Extraction Point

F.E.A.R.: Perseus Mandate

Far Cry 3

Feeding Frenzy 2

Game Dev Tycoon

Guardians of Middle Earth

The Guild II

Half Life

Half Life 2

Killing Floor

Left 4 Dead

Left 4 Dead 2

The Lord of the Rings: War in the North

McPixel

Medal of Honor

Mirrors Edge

Mortal Kombat Kollection

Painkiller Hell & Damnation

Payday 2

Peggle Deluxe

Portal

Portal 2

Red Fation: Armageddon

Reus

Ricochet

Saints Row 2

Saints Row: The Third

Scribblenauts Unlimited

The Showdown Effect

SpellForce 2 - Faith in Destiny

Supreme Commander

Team Fortress 2

Terria

Thomas Was Alone

Tom Clancys Splinter Cell Blacklist

Torchlight II

Total War: Rome II

Tropico 4

and thats it. To be honest I got most of these games off the humble bundle so dont judge me :)

If you do decide to help, please and thank you!

Regards

Dark Sparrowhawk