Gameplay

Speed Demon

From Halopedia, the Halo wiki

Speed Demon is an achievement in Halo: The Master Chief Collection. It is unlocked by beating the par times on all Halo 3 levels. The achievement is worth 20 Gamerscore and can be unlocked on any difficulty.

Par Times
Level Achievement Par Time
Sierra 117 Speedy One One Seven 15:00
Crow's Nest Time Shift 20:00
Tsavo Highway Highway Robbery 20:00
The Storm Lightning Strike 15:00
Floodgate Dambuster 15:00
The Ark Waypoint 20:00
The Covenant Scarab Slide 20:00
Cortana Making History 15:00
Halo Go, Chief! Gun It! 20:00