| Achievement | How to unlock | Points
|
|---|
| A Baron, a Thief and an Inspector | You completed Arsène Lupin in Prison - Part 2. | 50
|
| A Robbery of fantastic proportions | You completed The Legend of Arsène Lupin. | 15
|
| A new Adversary arrives | You completed Herlock Sholmes Arrives Too Late - Part 2. | 50
|
| Adept safecracker | You cracked three safes. | 15
|
| Arsène Lupin was here | You found Lupin's calling card in The Arrest of Arsène Lupin - Part 2. | 25
|
| Arsène Lupin | You uncovered a secret about Arsène Lupin. | 15
|
| Baron Cahorn | You stole from Baron Cahorn. | 15
|
| Baron Satan | You tricked the servant in Arsène Lupin in Prison - Part 2. | 25
|
| Bernard d'Andrésy | You uncovered a secret about Bernard d’Andrésy. | 15
|
| Cabinet of curiosities | You inspected all curios in The Legend of Arsène Lupin. | 25
|
| Checkmate | You got a checkmate in Herlock Sholmes Arrives Too Late - Part 1. | 25
|
| Diligent timekeeper | You ordered three timelines. | 25
|
| Désiré Baudru | You uncovered a secret about Désiré Baudru. | 15
|
| Expert reasoner | You solved three mindmaps. | 15
|
| Famous traveller | You visited all locations in the game. | 15
|
| First impressions | You impressed the passengers in The Arrest of Arsène Lupin - Part 1. | 25
|
| Georges Devanne | You stole from Georges Devanne. | 15
|
| Herlock Sholmes | You uncovered a secret about Herlock Sholmes. | 15
|
| Horace Velmont | You uncovered a secret about Horace Velmont. | 15
|
| Impenetrable fortress | You secured the castle in Arsène Lupin in Prison - Part 1. | 25
|
| Inspector Ganimard | You uncovered a secret about Inspector Ganimard. | 15
|
| Keen observer | You inspected 25 objects. | 15
|
| La Santé's new resident | You completed The Escape of Arsène Lupin. | 50
|
| Lady Jerland | You stole from Lady Jerland. | 15
|
| Master of disguise | You wore three costumes. | 25
|
| Mr Rozaine | You stole from Mr Rozaine. | 15
|
| Nelly Underdown | You impressed Nelly Underdown. | 15
|
| Perfect catch | You caught a prized fish in The Arrest of Arsène Lupin - Part 3. | 25
|
| Plumbing problem | You fixed the pipes in The Escape of Arsène Lupin. | 25
|
| Proficient toolsman | You used 10 items. | 15
|
| Skilled manipulator | You mastered five mechanisms. | 25
|
| Social butterfly | You met all the characters in the game. | 15
|
| The Baron's predicament | You completed Arsène Lupin in Prison - Part 1. | 25
|
| The Captain | You stole from the Captain. | 15
|
| The Château's secrets revealed | You completed Herlock Sholmes Arrives Too Late - Part 1. | 25
|
| The Final Engagement | You completed A Chance Meeting. | 15
|
| The Guards | You tricked the Guards. | 15
|
| The Inspector boards | You completed The Arrest of Arsène Lupin - Part 2. | 25
|
| The Master Thief's games | You completed The Arrest of Arsène Lupin - Part 3. | 50
|
| The Rat | You made friends with the Rat. | 15
|
| The Servants | You tricked the Servants. | 15
|
| The Shipmates | You tricked the Shipmates. | 15
|
| The real Lupin? | You revealed the 'real' Lupin in A Chance Meeting. | 25
|
| Thibermesnil's secret | You uncovered Thibermesnil's secret in Herlock Sholmes Arrives Too Late - Part 2. | 25
|
| To Catch a Thief | You completed The Arrest of Arsène Lupin - Part 1. | 25
|
| Versed matchmaker | You made five matches. | 15
|