
The Wake the Sleeper Agent challenge is one of the Blackout challenges in the Call of Duty: Black Ops 4 (BO4) game. Players must complete this challenge to unlock Mason, a central character in the Treyarch series, in Blackout for BO4. To wake the sleeper agent, players need to travel to Array, where they will find a console with a blinking green light in the center building. Interacting with the console will start a countdown. After activating the button, players must stay alive with Mason's stained white T-shirt in their inventory. The placement required to complete the challenge depends on the game mode, with Solos needing to make it to the top 15, Duos requiring a top eight placement, and Quads needing a top four placement.
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What You'll Learn

Find Mason's stained white T-shirt
To find Mason's stained white T-shirt in Call of Duty: Black Ops 4, players must first unlock Reznov. Once Reznov is unlocked, players must select him as their character in Blackout and play a match. Mason's stained white T-shirt can then be found in random supply crates or drops around the map. One player has reported finding the T-shirt in a crate at Hydro.
After finding Mason's stained white T-shirt, players must wake the sleeper agent. This is done by travelling to Array and finding the console with a blinking green light in the centre building. Interacting with the console will play a nuke sound.
The final step to unlocking Mason will depend on the game mode. In Solos, players must finish the match in the top three; in Duos, they must finish in the top two; and in Quads, players must win the match.
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Travel to Array
To wake the sleeper agent in Blackout, Black Ops 4, players need to travel to Array. In the central building at Array, there is a console with a blinking green light. While no prompt will appear, players can interact with the console by holding the X/Square button, depending on their platform of choice.
After travelling to Array and activating the button, players need to stay alive with the stained white T-shirt item in their inventory. The requirements for this differ depending on whether you are playing Solos, Duos, or Quads. For Solos, players need to make it to the top 15. For Duos, players must secure a top eight placement. And for Quads, a top four placement is required.
The Wake the Sleeper Agent challenge is one of the Blackout challenges in the Blackout battle royale game mode for Call of Duty: Black Ops 4. Players must complete this challenge to unlock the character Mason, a central character in the Treyarch series.
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Interact with the console
To wake the sleeper agent in Blackout, Black Ops 4, players need to travel to Array. In the centre building at Array, there is a console with a blinking green light. While no prompt will appear, players can interact with the console by holding down the X/Square button, depending on their platform of choice.
After activating the button, the player must stay alive with the stained white T-shirt item in their inventory. The requirements to keep the T-shirt vary depending on the player's game mode. For players in Solos, they need to make it to the top 15. For those in duos, a top eight placement is required, and for quads, a top four placement is necessary.
The T-shirt can be found in random supply crates around the map. Once the T-shirt has been collected, the player can then interact with the console to wake the sleeper agent. This will trigger a countdown and a nuke sound.
The Wake the Sleeper Agent challenge is one of the Blackout challenges in the Blackout battle royale game mode for Call of Duty: Black Ops 4. Players must complete this challenge to unlock the character Mason, a central character in the Treyarch series.
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Placement requirements for Solos, Duos, and Quads
To wake the sleeper agent in Black Ops 4 (BO4) Blackout, you must first unlock Reznov and select him as your character. Then, play a match and find Mason's stained white t-shirt, which can be found in supply drops or crates around the map. Once you have the t-shirt, you need to travel to Array, where you will find a console with a blinking green light in the centre building. Interact with the console to activate the button and start the countdown.
After activating the button, the placement requirements to complete the challenge differ depending on whether you are playing Solos, Duos, or Quads. For Solos, you need to make it to the top 15. If you are playing Duos, you must secure a top eight placement. Meanwhile, a top four placement is required if you are attempting the challenge in Quads.
It is important to note that staying alive with the stained white t-shirt in your inventory is crucial to completing the challenge. Only after meeting the placement requirements and staying alive with the t-shirt will you successfully wake the sleeper agent and unlock Mason in Blackout.
The Wake the Sleeper Agent challenge is a highlight of the Blackout game mode in Black Ops 4, allowing players to unlock and play as Mason, a central character in the Treyarch series. By completing this challenge, players can enjoy the combination of fast-paced Call of Duty action with the popular battle royale genre.
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Unlocking Mason
First, you need to unlock and play as Reznov in Blackout. Find Mason's stained white T-shirt, which can be located in supply drops or random supply crates across the map. Once you've obtained the T-shirt, your next task is to wake the sleeper agent. Travel to Array, where you'll find a console with a blinking green light in the central building. Interact with the console by holding the X/Square button, depending on your platform. This will initiate a countdown and activate the challenge.
The final step to unlocking Mason depends on your gameplay mode: Solos, Duos, or Quads. If playing Solos, you need to finish in the top 15; for Duos, secure a top eight placement; and for Quads, a top four placement is required. Staying alive with the stained white T-shirt in your inventory is crucial to completing the challenge.
By completing these steps, you will unlock Mason, a highly sought-after character by fans of the Black Ops series within the Call of Duty franchise.
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Frequently asked questions
To wake the sleeper agent in BO4, you must first unlock Reznov and select him as your character. Then, play a match and find Mason's stained white t-shirt, which can be found in supply drops or crates around the map. Once you have the t-shirt, go to Array and interact with the console in the centre building by holding the X/Square button. This will start a countdown to wake the sleeper agent. Finally, stay alive and reach a certain placement depending on your game mode—for solos, you must make it to the top 15, for duos, you must secure a top eight placement, and for quads, you need to place in the top four.
The Wake the Sleeper Agent challenge is a Blackout challenge in Call of Duty: Black Ops 4 that allows players to unlock Mason as a playable character. Mason is a central character in the Treyarch series and is very popular among fans of the single-player story.
Mason's stained white t-shirt can be found in random supply crates or drops around the map.
After waking the sleeper agent, you must stay alive and reach a certain placement depending on your game mode. For solos, you must make it to the top 15, for duos, you must secure a top eight placement, and for quads, you need to place in the top four.
























