Here is the full list of all 19 Orangeblood achievements worth 1,000 gamerscore.
Clear Tier 1.
Retake Club Shangri-La.
Arrive at NEW KOZA dump
Takeover the Smile Bakery.
Takeover the China Lake Restaurant.
Takeover the Sunrise Hotel.
Clear Tier 2.
Clear Tier 3.
Clear the campaign.
Deal 1,000,000 in one hit.
Receive a present from the dog.
Defeat Doggopter.
Defeat Armored Barricade.
Defeat Box Dog.
Defeat Chef.
Defeat Homerun Sempai, and sit on the throne.
Defeat Evil Chef.
Defeat Green Yakuza.
Defeat Vice Admiral after clearing out all the safes.