Here are some cheats and tips for the game Tomb Raider: Unfinished Business.
Level skip:
Have Lara walk one step forward (with [Shift]), one step back
(with [Shift]), rotate in three full counter-clockwise circles
(with [Shift]), and jump forward (with [Alt]).
All weapons:
Have Lara walk one step forward (with [Shift]), one step back
(with [Shift]), rotate in three full counter-clockwise circles
(with [Shift]), and jump back (with [Alt]).