humble bundle need about 0.00123 btc ($1)
 
1. you need bitcoin wallet https://coinbase.com/?r=52da50be75c97210b000008d&utm_campaign=user-referral&src=referral-link
 
why coinbase wallet? because no transaction fee and can sync with google and humblebundle
 
2. earn bitcoin by solving captcha
=> http://freebitco.in/?r=245718 
earn bitcoin hourly (about 0,00000250 hourly, if you get lucky you can get 0.00002)  (daily about 0,00008)
=> http://freebitcoinz.com/r/bestbitcoinfaucet 
earn bitcoin daily (0,00002 daily)
 
so maybe in 10-12 days you can get humble bundle games below average
 
please donate to 1HvkUFZhbqV64qfpxBzYVJUuwTfYMfP3Ed