In order for you to play Renowned Explorers: International Society on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 14.04, Mint 17
Processor (CPU):
AMD Dual-Core running at 2.6 GHz / Intel Dual-Core processor running at ~1.9 GHz (AMD Athlon 64 X2 5200+ and Intel Core 2 Duo E6300 or newer series are the oldest CPU architectures recommended).
Memory (RAM):
4096 MB RAM
Graphics Card:
AMD/NVIDIA dedicated/integrated or mobile graphic card, with at least 512MB of dedicated VRAM ATI/AMD Radeon HD 5000 series, NVIDIA GeForce 9600 GT and above are minimum required graphic cards. With vendor-supported graphics drivers. For open source drivers you have to use Mesa 10.3 driver or newer (it applies to Intel cards, Intel HD Sandy Bridge is a minimum).
Storage:
1 GB available space
Sound Card:
Integrated
In order to play Renowned Explorers: International Society on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Ubuntu 14.04, Mint 17
Processor (CPU):
AMD Triple-Core / Intel Dual-Core 3.2 GHz (AMD Athlon II X3 450 or Intel Core 2 Duo E8200 or newer architectures are recommended).
Memory (RAM):
4096 MB RAM
Graphics Card:
AMD/NVIDIA dedicated with at least 1024MB of dedicated VRAM. ATI/AMD Radeon HD 5000 series, NVIDIA GeForce GTS 250 and above are recommended graphic cards. With vendor-supported graphics drivers. For open source drivers you have to use Mesa 10.3 driver or newer (it applies to Intel cards, Intel HD4400 or newer is recommended).
Storage:
1 GB available space
Sound Card:
Integrated