From January's Humble Bundle

Region Restricted key
Afghanistan, Bangladesh, Bhutan, Brunei Darussalam, Cambodia, China, Hong Kong, India, Indonesia, Japan, Democratic People's Republic of Korea, Republic of Korea, Lao People's Democratic Republic, Sri Lanka, Myanmar, Mongolia, Macao, Malaysia, Maldives, Nepal, Pakistan, Philippines, Singapore, Thailand, Tajikistan, Taiwan, Viet Nam