Finish the level to get

Just like Dad would have done
Complete the game on any difficulty level

Best cop this city's ever had
Complete the game on OFFICER difficulty

Retribution
Complete the game on DETECTIV difficulty

Medal of merit
Bronze rating on every level

Medal of bravery
Silver rating on every level

Medal of valor
Gold rating on every level

The price of justice
Collect 25 cop badges

Honor the deat
Collect 50 cop badges

Perfect balance
Achieve maximum VARIATION BONUS on any level (excluding the Prologue)

Get ready for a surprise!
Leap over and kick an enemy from cover

That's what you gets!
Kill an enemy by knocking or throwing him off a ledge
While playing as Jack, grab an enemy by pressing square + x now press x again