In order for you to play Scribblenauts Unlimited on Windows with minimal graphics settings, your computer must meet the following requirements
OS *:
Windows XP or higher
Processor (CPU):
AMD Atholon 64 X2 Dual-Core 4000+ or better / Intel Core 2 Duo Processor 2.0GHz or better
Memory (RAM):
2 GB RAM
Graphics Card:
ATI X1800 or better / nVidia 7800 or better / Intel 4100 or better. 256MB Video RAM. Shader 3.0 or better
DirectX®:
9.0c
Hard Drive:
2 GB HD space
Other Requirements:
Broadband Internet connection