In order for you to play Tooth and Tail on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 12.04 (64-bit)
Processor (CPU):
2 GHz Processor
Memory (RAM):
2 GB RAM
Graphics Card:
(Driver mesa 10.6) 1.5gb video card required to play. nVidia 320M, Radeon HD 2400, Intel HD 3000 or better
Storage:
1 GB available space