Pause the game, then go to the map screen (CompStat / Map screen)
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while holding [Shift] + [F] press:
[Enter], [Enter], [Enter] – level selection
[Space], [Space], [Space] – 100 Bad Cop
[Delete], [Delete], [Delete] – 100 career units
Reach the designated rank to have access to the appropriate items:
Vehicle ranks:
Detective Rank 1: 6.5L Custom V8 SUV
Detective Rank 2: 5.4L SC V8 Coupe
Detective Rank 3: 2.5L Sedan L4
Detective Rank 4: 6.0L Coupe V8
Detective Rank 5: 3.5L Sedan V6
Weapon ranks and capabilities:
Detective Rank 1:
5.56mm Carbine, 7.62 Auto Sniper, Flashbang, Slo-Mo Dirve x2
Detective Rank 2:
.45 Special, Tactical Shotgun, 5.56mm Bullpup AR, Sledge Hammer,
Precision Aim Assist
Detective Rank 3
: 4.6 MM PDW, Assault Rifle, Tranquilizer, Sunt Baton, Zoom 4x
Detective Rank 4:
Stun Gun, 9MM SMG, Standard Shotgun, Slo-Mo Dive
Driving skill ranks:
Detective Rank 1: Nitrogen Booster
Detective Rank 2: Side Wheelie
Detective Rank 3: Peel Boost
Detective Rank 4: Switchblade
Detective Rank 5: Quick Turn