SolvedHow-toUpdated 2026-11-04
Borderlands 4: The 6 secrets side quests
Short answer
They are included to complete the 98 side quests achievement
Steam Community guide by Croky.
Info
These missions are not indicated on the map. It is therefore easy to miss out during your progress in the game without realizing it. No quest can be missed, they can be played after finishing the game.
Horatio - Quest 1
First go at this point - open the red chest and defeat the ambush
Horatio - Quest 2
Use vending machine - defeat the ambush
Horatio - Quest 3
Final quest - open the trash - defeat Horatio
Mort - Quest 1
You will find "Mort" attacked by two thresher - kill both - the side quest begin
Mort - Quest 2
Talk to Mort - easy and short side quest
Forgive Me quest
In Cuspid Climb - go at this loc - kill the badass inside the cave - pick up the mission
In Stoneblood Forest - go in another cave - kill the enemy - and then listen the looooong dialogue until the end.