There are 126 missions available in Borderlands, excluding DLC.
- Story missions are highlighted in bold text.
- Side missions are highlighted in italic text.
- The further away from the left-hand margin a mission is indicates that the mission directly above it must be completed before it becomes available.
- Fresh Off The Bus
- The Doctor Is In
- Claptrap Rescue
- Skags At The Gate
- Fix'er Upper
- Blinding Nine-Toes
- Nine-Toes: Meet T.K. Baha
- Nine-Toes: T.K.'s Food
- Got Grenades?
- Nine-Toes: Take Him Down
- Nine-Toes: Time To Collect
- Job Hunting
- Scavenger: Sniper Rifle
- The Legend Of Moe and Marley
- Circle Of Death: Meat And Greet
- Scavenger: Revolver
- Fuel Feud
- Death Race Pandora
- Ghosts of the Vault
- Well There's Your Problem Right There
- Claptrap Rescue: New Haven
- Corrosive Crystal Harvest
- King Tossing
- Claptrap Rescue: Tetanus Warren
- Like A Moth To Flame
- Is T.K. O.K.?
- Scooter's Used Car Parts
- Up To Our Ears
- Firepower: All Sales Are Final
- Scavenger: Submachine Gun
- Hidden Journal: Rust Commons West
- Claptrap Rescue: Scrapyard
- Claptrap Rescue: Krom's Canyon
- Earl Needs Food...Badly
- Missing Persons
- Middle Of Nowhere No More: Investigate
- Middle Of Nowhere No More: Fuses? Really?
- Relight The Beacons
- A Bug Problem
- Altar Ego: The New Religion
- Smoke Signals: Investigate Old Haven
- Bandit Treasure: Three Corpses, Three Keys
- Green Thumb
Flow Map of the Arid Badlands
There are an additional 90 missions available throughout all DLC for Borderlands.
Main article: The Zombie Island of Dr. Ned missions flow
Main article: The Secret Armory of General Knoxx/missions flow
Main article: Claptrap's New Robot Revolution/missions flow