Type in in pause mode:

 slallcheats            Cheat mode activated

 sllottery              +50000 EUR and 1 Licence
 slroads                All roads open
 slmap                  All hidden containers visible on the map
 slrepair               Press [Backspace] for a free repair
 slrecover              Press [Ctrl][5] for a free recovery
 slfillup               Unlimited fuel
 minesoff               No mines
 slturbine              Activates the key combinations:

                        [Ctrl][1] More forward thrust
                        [Ctrl][2] More backward thrust
                        [Ctrl][3] More thrust upturn
                        [Ctrl][4] More thrust downturn