TimeSplitters 2

Successfully complete the Challenge Brick level with a "Gold" rank to unlock the Brick weapon in multi-player mode.

Some guns have slower reload times than others. Instead of pressing Reload, press Next Weapon quickly followed by Previous Weapon (or vice versa). When you switch to a new weapon and go back to it, the weapon will automatically be reloaded.

Get a silver or better in the 'Take 'Em Down' challenge in Challenge Mode.

Beat the game on Easy difficulty.

Earn a Gold medal in "Adios Amigos" (Arcade Mode) to unlock Hector Babasco and Lean Molly.

Beat the levels shown below on Medium difficulty to unlock the corresponding characters:

2280 Return to Planet X: Ozor Mox
2019 NeoTokyo: Sadako
1853 Wild West: The Colonel
1972 Atom Smasher: Khallos
1920 Aztec Ruins: Stone Golem