GameSpot may get a commission from retail offers. If you have pleasant memories of blasting the Covenant round after round with your buddies in Halo's Firefight, we've got good news for you.

The demo showed series hero Master Chief battling the Covenant across ... in the final version of Halo 2. Instead, the game opened with a battle on a space station. The demo itself remained ...

The Halo 2 demo was first shown at E3 2003, and it blew audiences away with its realistic graphics and fluid combat. The demo took place in a futuristic city under attack by the Covenant ...