Command & Conquer: Red Alert 3 Cheats, Codes & Guides

A Monument to Madness (Bronze) - Complete Allies mission 6 on any difficulty level
Against All Odds (Silver) - Win on a 4-player map vs. a team of 3 skirmish opponents (medium-or-greater difficulty)
Assault on the Black Tortoise (Bronze) - Complete Empire of the Rising Sun mission 5 on any difficulty level
Barbarians at the Bay (Bronze) - Complete Empire of the Rising Sun mission 7 on any difficulty level
Behold the Shogun's Executioner (Bronze) - Complete Empire of the Rising Sun mission 3 on any difficulty level
Blight on the Big Apple (Bronze) - Complete Soviet mission 9 on any difficulty level
Bloodsucker (Bronze) - Leech 7 different enemy weapons using Hammer Tanks in a ranked online match or skirmish
Checkmate (Silver) - Defeat a brutal-difficulty skirmish opponent on a 2-player map
Circus of Treachery (Bronze) - Complete Soviet mission 2 on any difficulty level
Conscript (Bronze) - Complete all lessons in the tutorial
Crumble, Kremlin, Crumble (Bronze) - Complete Empire of the Rising Sun mission 8 on any difficulty level
Day of Judgment (Bronze) - Destroy 30 enemy units with an ultimate weapon attack in a ranked online match or skirmish
Dynamic Duo (Silver) - Complete 18 different online co-op campaign missions
Enemy of Our Enemy (Bronze) - Complete Allies mission 4 on any difficulty level
Forever Sets the Sun (Bronze) - Complete Allies mission 7 on any difficulty level
Girl's Best Friend (Bronze) - Kill 25 enemy targets in 1 minute with a Commando in a ranked online match or skirmish
Graveyard of a Foolish Fleet (Bronze) - Complete Empire of the Rising Sun mission 4 on any difficulty level
Hell March (Silver) - Win battles on all original maps vs. skirmish opponents (medium-or-greater difficulty)
High Speed, Low Drag (Bronze) - Arm 10 Multigunner IFVs with different weapons in a ranked online match or skirmish
March of the Red Army (Bronze) - Complete Soviet mission 4 on any difficulty level
Master and Commander (Gold) - Complete all campaigns on hard difficulty level (also unlocks trophy for medium difficulty)
Meat Grinder (Bronze) - Crush 20 enemy units in a ranked online match or skirmish (medium-or-greater difficulty)
No Traitors Tomorrow (Bronze) - Complete Soviet mission 6 on any difficulty level
Platinum Trophy (Platinum) - Unlock all the trophies
Rage of the Black Tortoise (Bronze) - Complete Empire of the Rising Sun mission 6 on any difficulty level
Reign of Terror (Bronze) - Dismantle 4 enemy vehicles using the same Terror Drone in a ranked online match or skirmish
Ride of the Red Menace (Bronze) - Complete Allies mission 1 on any difficulty level
Short Work (Bronze) - Win a battle in less than 5 minutes vs. a skirmish opponent (medium-or-greater difficulty)
Sole Survivor (Silver) - Win on 2-player maps vs. all 9 skirmish opponents (medium-or-greater difficulty)
Sword Saint (Bronze) - Cut down 15 enemy units with sword attacks in a ranked online match or skirmish
Tag Team (Bronze) - Complete 9 different online co-op campaign missions
Taking Back Ice-Harbor (Bronze) - Complete Soviet mission 3 on any difficulty level
Tempus Fugit (Silver) - Complete all campaigns on medium or hard difficulty level
The Cleaner (Silver) - Complete all bonus objectives in the Soviet campaign
The Closer (Silver) - Complete all bonus objectives in the Allies campaign
The Conqueror (Silver) - Complete all bonus objectives in the Empire of the Rising Sun campaign
The Death of Father Frost (Bronze) - Complete Empire of the Rising Sun mission 1 on any difficulty level
The Famous Liberation (Bronze) - Complete Allies mission 3 on any difficulty level
The Great Bear Trap (Bronze) - Complete Allies mission 8 on any difficulty level
The Knowledge (Bronze) - Capture 6 structures in a ranked online match or skirmish (medium-or-greater difficulty)
The Last Red Blossom Trembled (Bronze) - Complete Empire of the Rising Sun mission 9 on any difficulty level
The Moon Shall Never Have Them (Bronze) - Complete Allies mission 9 on any difficulty level
The Science of War (Bronze) - Complete Soviet mission 5 on any difficulty level
The Shark and the Lure (Bronze) - Complete Allies mission 2 on any difficulty level
The Shrike and the Thorn (Bronze) - Complete Soviet mission 1 on any difficulty level
The Spy Who Bribed Me (Bronze) - Convert 5 enemy units with a single Spy bribe in a ranked online match or skirmish
The Stone-Faced Witnesses (Bronze) - Complete Soviet mission 8 on any difficulty level
The Unfathomable Fortress (Bronze) - Complete Allies mission 5 on any difficulty level
To Conquer Shattered Spirits (Bronze) - Complete Empire of the Rising Sun mission 2 on any difficulty level
To Tame a Living God (Bronze) - Complete Soviet mission 7 on any difficulty level
Twin Tigers (Gold) - Complete 27 different online co-op campaign missions