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Things to Do First in Fallout London – Fallout 4 Guide – IGN
Recruit Churchill, the British Dogmeat
Everyone needs a good companion when traversing the post-war ruins, and what better companion than man’s best friend. While almost every Fallout Game allows you to find a canine companion named Dogmeat, Fallout London has its own version.
After you escape the lab and complete the tutorial to take the London Underground train and take a crash landing, you’ll meet a group of ruffians called the Vagabonds you can talk to, led by Sebastian Gaunt. When they tell you about the Thamesfolk, ask for directions to the settlement, and they’ll point you toward the north and west.
Take the north path until you come upon the Prilladog Food Factory, and you’ll hear a factory guard calling out for some dogs to stop fighting. A plucky bulldog is battling against several mongrel dogs, and you can kill the mongrels to rescue the bulldog.
After talking to the guard, he’ll offer to let you take care of the bulldog, named Churchill. He’s Fallout London’s version of Dogmeat, and is a pretty decent addition to take with you on your adventures, and is also a very good boy!
Find a Gun
Unlike Fallout 4, you won’t be given access to a lot of fancy toys right off the bat, which means no Power Armor, laser muskets, or 10mm pistols as soon as you start the game.
You’ll be hard pressed to find a good gun in the early hours, instead having to rely on melee weapons and pure luck for a bit. Luckily, there’s an early weapon you can find that can help even the odds.
Follow up on the main quest lead to encoutner the Thamesfolk in their underground lair in Thameshaven to the north and west past the Fesco until you find some guards who suggest taking the southern entrance into the old tube station.
Make your way through the flooded and slightly radioactive tunnels until you find several tin can chain alarms. There will be a room to the right where someone used to live, complete with a bed and cooking station. Look for a bedside table to find a Flare Gun, and several Flares you can use as ammo. It’s not a perfect gun with its slow rate of fire, but provides a good ranged alternative to having to charge in head first.
Once you help the Thamesfolk with their quest, you’ll also gain access to their marketplace, which includes a gun shop where you can start to purchase weapons as you obtain more Tickets as currency.