The first online military game of its kind, 'Mission of Honour', marks the 86th anniversary of the founding of the People's Liberation Army (PLA), the world's largest military force with a strength of approximately 2,250,000 personnel.
The army has developed the online game featuring an aircraft carrier and its role in capturing the disputed islands called Diaoyu by China and Senkakus by Japan.
"Players... Will fight alongside Chinese armed forces and use weapons to tell the Japanese that 'Japan must return our stolen territory!'" an press release for the game said.
Images from the game's website are labelled "Guard the Diaoyu islands", and a trailer posted online features shots of Japan's Prime Minister Shinzho Abe, whom Chinese official media portrays negatively.
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Sino-Japan ties nose dived since middle of last year after Japan bought the islands from a private Japanese party amid strong objections from China, which termed it as a nationalisation of the disputed territory.
The Chinese military too pursed an aggressive strategy pressing for the first time its surveillance ships into the disputed waters challenging Japanese control over the islets and surrounding waters believed to be rich with natural gas and mineral deposits.