Gameplay

Thirst Locked Down!

From Halopedia, the Halo wiki

Thirst Locked Down! is an achievement in Halo: The Master Chief Collection. It is unlocked by finding and destroying the BLAST soda can on Lockdown on Halo 2: Anniversary multiplayer. The achievement is worth 5 Gamerscore and can be unlocked in both matchmaking and custom games, though the latter is much more advisable. It also unlocks the "Lockdown" Multiplayer Emblem.

Location[edit]

The can is found sitting on a ledge behind the ice stalactite in the center of the map. Simply shoot down the stalactite to access the can.