We've made it. There are just four rounds to go until the final. Only 16 games remain. 48 have been knocked into oblivion, the remaining few competing for the title of best videogame series of all time. It's time for four absolute giants to slug it out, it's Grand Theft Auto v Half-Life v Far Cry v BioShock, each staking a claiming as gaming's greatest franchise in 2017. The rules are simple - just vote for your favourite game series below.

Semi-Final 1

Grand Theft Auto

Round 1 Winner

Series began: 1997

Total sales: 250 Million

Best-selling game: Grand Theft Auto V (80 million+)

 

Half-Life

Round 2 Winner

Series began: 1998

Total Sales: 44 Million

Best-selling game: Half-Life 2 (12+ million)

 

Far Cry

Round 3 Winner

Series began: 2004

Total Sales: 23 million

Best-selling game: Far Cry 4 (8.68 million)

 

BioShock

Round 4 Winner

Series began: 2007

Total Sales: 25 million

Best-selling game: BioShock Infinite (11+ million)

Sadly only one of these illustrious franchises can make it through to the next round and potentially be the greatest game series in 2017. Every vote will count though when we tot these up and deliver the definitive list of the best gaming franchises. Have your say in the poll below, and let us know why you think it's the best gaming series in the comments section!

All previous rounds' voting is closing imminently, so visit now for the last chance to have your say.

Round 1: GTA, Command and Conquer, Street Fighter, Forza

Round 2: Rainbow Six, Left 4 Dead, Halo, Half-Life

Round 3: Need For Speed, Zelda, Castlevania, Far Cry

Round 4: Splinter Cell, FIFA, Metroid, BioShock

Round 5: Metal Gear, Mario, Everquest, Mass Effect

Round 6: Resident Evil, Final Fantasy, Gran Turismo, Tomb Raider

Round 7: Baldur's Gate, Fallout, Diablo, Deus Ex

Round 8: Civilization, Quake, DOOM, XCOM

Round 9: Counter-Strike, StarCraft, Witcher, Stalker

Round 10: WarCraft, Ultima, Total War, Battlefield

Round 11: Age of Empires, Prince of Persia, Elder Scrolls, Silent Hill

Round 12: Football Manager, Minecraft, Arma, Hitman

Round 13: The Sims, Assassin's Creed, Unreal, Dragon Age

Round 14: Pokemon, Sonic, KOTOR, Colin McRae

Round 15: Batman Arkham, Wolfenstein, Call of Duty, Souls

Poll closed: 15:48 Aug-21-2017