Aaron, of course it will work on a laptop!
But it depends on how good that laptop is and how good the graphics card is too.
You can have a brilliant, top end PC/laptop but a crappy internet connection which will make the game unplayable... so bare that in mind too.
Click the spoiler below to see the minimum and recommended system requirements.
Spoiler
PC SYSTEM REQUIREMENTS
Minimum requirements:
OS
WINDOWS VISTA SP2 32-BIT (WITH KB971512 PLATFORM UPDATE)
PROCESSOR
AMD ATHLON X2 2.8 GHZ
INTEL CORE 2 DUO 2.4 GHZ
MEMORY
4 GB
GRAPHICS CARD
AMD RADEON HD 3870
NVIDIA GEFORCE 8800 GT
GRAPHICS MEMORY
512 MB
HARD DRIVE
30 GB
Recommended requirements:
OS
WINDOWS 8 64-BIT
PROCESSOR
AMD SIX-CORE CPU
INTEL QUAD-CORE CPU
MEMORY
8 GB
GRAPHICS CARD
AMD RADEON HD 7870
NVIDIA GEFORCE GTX 660
GRAPHICS MEMORY
3 GB
HARD DRIVE
30 GB
