Here is the full list of all 51 Travis Strikes Again: No More Heroes Complete Edition achievements.
Defeat over 5,000 bugs
Bring back Bad Girl
Defeat Silver Face
Defeat all bosses on Bitter difficulty
Clear the game without using continues
Get the Killer Marathon BEYOND Death Ball
Reach the ending
Defeat White Sheepman
Get a life from a HAZRE box
Get the CIA Death Ball
Find Jeane in all locations
Defeat Eight Hearts
Revive Bad Girl
Get the Serious Moonlight Death Ball
Clear "Death Drive"
Get the Killer Marathon Death Ball
Defeat Smoking King
Pull off a rocket start in Golden Dragon GP
Play Co-op
Defeat Brian Buster Jr.
Get the Golden Dragon GP Death Ball
Get the Coffee & Doughnuts Death Ball
Defeat over 1,000 bugs
Defeat Mr. Doppelganger
Get the Life is Destroy Death Ball
Change T-shirts
Defeat Electro Triple Star
Deliver a finishing blow with Travis
Save on the toilet
Get yelled at in the tutorial
Unlock all Achievements
Defeat all bosses on Spicy difficulty
Collect all Skill Chips
Visit all Ramen Shops
Read all faxes from K
Defeat over 10,000 bugs
Score over 20,000 points playing "Death Drive"
Score over 50,000 points playing "Death Drive"
Like all Ramen Blog posts
Deliver a finishing blow with Badman
Deliver a finishing blow with Shinobu
Deliver a finishing blow with Bad Girl
Play Co-op using Badman and Bad Girl
Play Co-op using Travis and Shinobu
Defeat all bosses with Rank S or above
Defeat all bosses with Rank SS
Get Travis up to Level 20
Get Badman up to Level 20
Get Shinobu up to Level 20
Get Bad Girl up to Level 20
Use all cheat codes (except fakes)