There is no guide for this game yet. But apparently it is EASY POINTS!
1st mission complete - 25 points
"Death of a Show man" completed on any difficulty.
Rookie mode complete - 25 points
Completed Rookie difficulty
Normal mode complete - 50 points
Completed Normal difficulty
Expert mode complete - 75 points
Completed Expert difficulty
Professional mode complete - 150 points
Completed Professional difficulty
Tier 2 Kruger Schmidt - 5 points
Tier 2 of the Kruger Schmidt upgrade shop unlocked
Tier 3 Kruger Schmidt - 15 points
Tier 3 of the Kruger Schmidt upgrade shop unlocked
Tier 4 Kruger Schmidt - 20 points
Tier 4 of the Kruger Schmidt upgrade shop unlocked
Fully Customised M4 - 25 points
All custom M4 components purchased
Fully customised Silverballers - 25 points
All custom Silverballer components purchased
Fully Customised SMG Tactical - 25 points
All custom SMG Tactical components purchased
Fully Customised SP12 Shotgun - 25 points
All custom Shotgun components purchased.
Fully Customised W2000 Sniper - 25 points
All custom W2000 components purchased
All firearms collected - 100 points
All firearms collected and displayed in Hideout
Silent Assassin - 25 points
A Silent Assassin rating has been awarded
5 Normal Silent Assassins - 25 points
5 Silent Assassin ratings awarded on the Normal difficulty
5 Expert Silent Assassins - 50 points
5 Silent Assassin ratings awarded on the Expert difficulty
5 Professional Silent Assassins - 100 points
5 Silent Assassin ratings awarded on the Professional difficulty
Secret Achievements
Accidents do happen... - 20 points
A successful accident kill has been performed.
47 kills in a mission - 20 points
A mission has been completed with precisely 47 kills.
Notorious - 50 points
47 is the world's most wanted.
Redemption - 50 points
You can't keep a good man down.
High Roller - 50 points
$5,000,000 have been accumulated.
Special Rating - 20 points
A Special Rating has been awarded.