Free Steam Keys » Half-Life: Opposing Force free steam key
List of latest Half-Life: Opposing Force free steam key. Register now and get Half-Life: Opposing Force steam key FREE! Free steam keys and free steam games unlock immediately!
After you have acquired some coins, you can immediately exchange the coins into Half-Life: Opposing Force key to download your game on the steam platform.
Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry. Named Game of the Year by the Academy of Interactive Arts and Sciences.
1 - First step is to register as the member
2 - Choose an offer available and make sure you choose the one that's giving you lots of coins
3 - Complete the offer you have chosen, you must use real information to complete an offer / survey
4 - Get coins instantly to your account
5 - Unlock Half-Life: Opposing Force
Minimum: 500 mhz processor, 96mb ram, 16mb video card, Windows XP, Mouse, Keyboard, Internet Connection
Recommended: 800 mhz processor, 128mb ram, 32mb+ video card, Windows XP, Mouse, Keyboard, Internet Connection