Tomb Raider

Level skip:
Have Lara walk one step forward (with [Shift]), one step back (with [Shift]), rotate in three full circles to the right (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 circles to the right (with [Shift]), and jump back (with [Alt]).

Unlimited ammunition:
Successfully complete the game and load any previously saved level. Game play will begin will all weapons, unlimited ammunition, and more opponents.

Hint: Easy rolling:
To roll easily, instead of pressing [End] press the [Up] + [Down].
Kristina.

Hint: Shoot faster:
When Lara's arms are all the way out, rapidly tap [Ctrl] to shoot much faster than if you let her shoot on her own.
Timscookie.