In order for you to play Guacamelee! Gold Edition on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 12.04 LTS or later
Processor (CPU):
Pentium 3 2.0 GHz or better
Memory (RAM):
512 MB RAM
Graphics Card:
OpenGL 2.1+, GLSL 1.2+, 256 MB VRAM
Storage:
800 MB available space