start a new game, while playing, hold down V (camera), ! will appear! an inscription with the specified mission number, buttons Y (positive answer) and N (negative answer) change it by selecting the one you need without releasing V, press Tab. Mission start only if you're on a non-mission.
For convenience it was added: Pressing the middle mouse button restores life, armor, loot is given, stars are removed, the maximum wanted level is 1 star.
From the beginning of the game, there are features given out when you complete games - it's running without getting tired, endless ammo, max. Height when jumping on a bike, a fighter and a tank near the house, etc.