It should take around 15-20 hours to obtain all achievements in this DLC.
As with the main game, you'll want to complete the story before you do anything else in this DLC. There's not much to be said as far as guiding you through the story, except that it's linear, simple, and should take around 5 hours to complete. Nonetheless, here are videos to guide you through the story (credit for the following 10 videos goes to RajmanGaming HD on YouTube):
You'll now have unlocked:
You'll now earn:
Upon completing the final mission, you'll unlock:
To start off, there are 3 types of contracts: ones associated with the Militia, ones associated with Fixers, and ones associated with Chicago South Club.
Firstly, you'll want to find a co-op partner, and complete 10 (preferably Militia) contracts with them. This is pretty straightforward; simply follow the objectives in each mission. You can always do a few contracts with various partners - it doesn't have to be 10 with the same partner. Once you've completed 10 co-op contracts (regardless of their type), you'll earn:
T-Bone: Complete 10 coop missions
NOTE: From now on, you'll be doing solo contracts. Also, you can replay the same contract over and over again by ordering it through your smartphone (or, if it's a daily contract, you can directly replay it as many times as you like). Replaying the same contract over and over again WILL count towards the respective achievements for completing X amount of contracts of a certain type.
Now, you'll want to complete Militia contracts until you've completed 15 of them. Once you do, you'll unlock a skill which enables Eugene (the RC car) to blow up on demand. With this newly-acquired ability, on your next Militia contract, shoot your M1911 Spec Ops near an enemy's head or at his feet in order to alert him and trigger all the enemies to start searching for you. Move away to a safe location, and when you see at least 4 enemies starting to bunch up in a cluster in a small area, send in your RC car and blow it up when you drive it in amongst them all. If you kill at least 4 of them, you'll earn:
Next, you can go on to complete 5 more Militia contracts (or repeat the same one 5 more times). Upon completing the 20th total Militia contract, you'll earn:
From here, you'll want to complete 20 non-driving Chicago South Club contracts as well as 20 non-driving Fixer contracts.
Once you complete 20 of each respective type (or repeating the same one of each type 20 times), you'll earn:
T-Bone: Complete 20 Chicago South Club contracts
As well as:
T-Bone: Complete 20 Fixers contracts
Now, you can move on to Driving missions. In order to complete 29 of them in as little time as possible, I recommend finding a Militia driving mission (Overdrive), and completing it 29 times. After you complete it for the first time, you can order it again through your smartphone. Militia Overdrive driving missions are by far easier and faster than the other types of driving missions (which include escorting a vehicle, delivering a vehicle while barely letting it take any damage, chasing a vehicle and staying near it in order to install a hack). Plus, after you've completed the same Overdrive mission a few times, you'll become acquainted with the route you need to take, thus making it very easy and mechanical.
So, find yourself an Overdrive mission that you can ideally complete in under 1 minute and 30 seconds (some of them are a bit longer than others), and replay it for a total of 29 times. It shouldn't take more than 2 hours to complete all of them. Once you do, you'll unlock:
There are 2 types of side investigations (Fox Hunt & A Council of Daves), each with 5 sub-missions/actions, and each ending with an extra mission. That means that even once you reach 5/5 for each investigation, to get the achievement, you'll need to complete the final mission that comes afterwards.
You might notice that there are also 20 audio logs in this DLC. Finding them is NOT required to obtain all achievements.
On the map, the locations for this investigation are marked by a white vigilante icon (the main Watch_Dogs symbol). The following video will help you find each of them, and also complete the final mission (credit for the following video goes to ScereBro PSNU on YouTube):
A Council of Daves
On the map, the locations for this investigation are marked by a white skull icon. The following video will help you find each of them, and also complete the final mission (skip the 33-second-long intro) (credit for the following video goes to Piece Bot on YouTube):
Once you complete the final mission for both the Fox Hunt investigation and the A Council of Daves investigation, you'll earn:
You've now completed all achievements in the Bad Blood DLC! Congratulations!
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