At the end of a level, you see your score and these symbols that come up at the bottom of the screen. They are called Octopi. You can have up to five Octopi. You can unlock different things depending on how many you got on a certain level. In order to get Octopi, you must get enough points from beating the level.

Effect - Code

Auric Enterprises Art - Get 2 Octopi at Auric Enterpirses
Auric Enterprises Art 2, Multiplayer Modifier: Lethal Strike - Get 5 Octopi at Auric Enterprises
Crab Key Art - Get 2 Octopi at Crab Key
Crab Key Art 2, Multiplayer power-up: Speed Loader - Get 5 Octopi at Crab Key
Fort Knox Art 2, Multiplayer Modifier: Random Weapons - Get 5 Optopi at Fort Knox
Fort Knox Art, Goldeneye implant, and SPEC 9 side-arm - Get 2 Octopi at Fort Knox
Hong Kong Art - Get 2 Octopi at Hong Kong
Hong Kong Art, Mulitplayer Power-Up: Adrenaline - Get 5 Octopi at Hong Kong
Hoover Dam Art - Get 2 Octopi at Hoover Dam
Hoover Dam Art 2, Multiplayer Modifier: Eve Overcharge - Get 5 Octopi at Hoover Dam
Midas Casino Art - Get 2 Octopi at Midas Casino
Midas Casino Art 2, Multiplayer Power-Up: Regeneration - Get 5 Octopi at Midas Casino
Multiplayer Map: Bathhouse - Get 3 Octopi at Hong Kong
Multiplayer Map: Carver's Press - Get 3 Octopi at Auric Enterprises
Multiplayer Map: Dr. No's Reactor - Get 3 Octopi at Crab Key
Multiplayer Map: Fissure Platform - Get 3 Octopi at The Octopus
Multiplayer Map: Goldeneye's Retreat - Get 3 Octopi at Volcano Lair
Multiplayer Map: Midas Vault - Get 3 Octopi at Midas Casino
Multiplayer map: Pump Room - Get 3 Octopi at Fort Knox
Multiplayer Map: Turbine - Get 3 Octopi at Hoover Dam
Multiplayer Skin: Auric Elite - Get 4 Octopi at Fort Knox
Multiplayer Skin: Dr. No - Get 4 Octopi at Crab Key
Multiplayer Skin: Dr. No Elite - Get 4 Octopi at Auric Enterprises
Multiplayer Skin: Lair Elite - Get 4 Octopi at Volcano Lair
Multiplayer Skin: Lair Gaurd - Get 4 Octopi at The Octopus
Multiplayer Skin: Oddjob - Get 4 Octopi at Midas Casino
Multiplayer Skin: Triad Informant - Get 4 Octopi at Hong Kong
Multiplayer SKin: Xenia Onatopp - Get 4 Octopi at Hoover Dam
Octopus Art - Get 2 Octopi at The Octopus
Octopus Art 2, Multiplayer Modifier: Rapid Eye Recharge - Get 5 Octopi at The Octopus
Volcano Lair Art - Get 2 Octopi at Volcano Lair
Volcano Lair Art 2, Multiplayer Modifier: Turbo - Get 5 Octopi at Volcano Lair