Plague Inc: Evolved

Plague Inc: Evolved is a unique mix of high strategy and terrifyingly realistic simulation. Your pathogen has just infected 'Patient Zero' - now you must bring about the end of human history by evolving a deadly, global Plague whilst adapting against everything humanity can do to defend itself.

Plague Inc. is so realistic that the CDC even asked the developer to come and speak about the infection models in the game! http://blogs.cdc.gov/publichealthmatters/2013/04/plague-inc/.

“The game creates a compelling world that engages the public on serious public health topics.”
- Ali S. Khan, CDC

Over 120 million players have been infected by Plague Inc. already. Now, Plague Inc: Evolved combines the original critically acclaimed gameplay with significant, all-new features for Mac including access to user-generated content support, improved graphics and lots more.

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Full Features List
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10 Different Disease Types – Master every pathogen; from bacteria to bio-weapons and mind control to zombies, end humanity by any means possible – different diseases will need radically different approaches.
23 Unique Scenarios – Adapt your strategy; scenarios create further challenges for your pandemic – how will you handle a new strain of Swine Flu, or infect a world in Ice Age?
Hyper-Realistic World – Strategize in the real world; advanced AI and use of real-world data and events make Plague Inc: Evolved a highly authentic simulation of a world-ending pathogen. Even the CDC likes it!
Access to Player Created Content - See that other players have created which allowed players bring their deadliest ideas to life and share them. With over 10,000 custom scenarios already released - there is always something new to infect!
Blinding Graphics - Full 3D disease models take you closer to your plague than ever before, city-cams show humanity's struggle at street level, and the body scanner highlights the full effect of your mutations, organ by organ.
Deadly Data - Geek out with stats and graphs; monitor infection and death levels, track government reactions and cure efforts, then review your plague's success (or failure!) with full game replays.
And much more... - Including speed runs, Mega-Brutal difficulty and genetic modification... 
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Minimum System Requirements
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If your system does not meet these minimums, Plague Inc:Evolved will NOT run on your Mac:
OS: 10.7+ Lion (64 bit)
Processor: 2.0 GHz Dual Core Processor
Memory: 1 GB RAM
Graphics: Intel HD Graphics 4000 or greater
Storage: 1GB available space
Additional Notes: Unsupported video chipsets: Intel HD Graphics 3000, Intel GMA X3100, Intel GMA 950. This game is not supported on volumes formatted as Mac OS Extended Journaled (Case Sensitive)