--- Vote for the games and claim a digital copy of Bioshock Infinite for $1 ---
Steps:
1. Goto Golden Joysticks 2015 | GamesRadar vote for 23 categories.
2. Enter your details for GameRadar.com, they will send you a link having instructions to claim your coupon.
3. Register on Greenmangaming.com and link your Steam account with it. Note: Use same email, which was used for voting.
4. Greenmangaming.com will send you email having link of coupon.
5. Login and pay $1.
6. Enjoy Bioshock.