Medals currently awarded in the Halo 3 Beta
General
- Death from the Grave! - Kill an opponent after you have died. File:Grave.JPG
- Laser Kill! - Get an opponent with the Spartan Laser. File:Laser Kill.JPG
- Grenade Stick! - Kill an opponent by sticking them with a Plasma Grenade or Spike Grenade. File:Grenade Stick.JPG
- Killjoy! - End an opponent's killing spree, any spree. File:Killjoy.JPG
- Assassin! - Hit and kill an opponent with a melee attack from behind. File:Assassin.JPG
- Beat Down! - Hit and kill an opponent with a melee attack. File:Beat Down.JPG
- Extermination! - Get an overkill on the opposing team, leaving them all dead. File:Extermination.JPG
Spree medals
- Killing Spree! - 5 kills in a row without dying. File:Killing Spree.JPG
- Killing Frenzy! - 10 kills in a row without dying. File:Killing Frenzy.JPG
- Running Riot! - 15 kills in a row without dying. File:Running Riot.JPG
- Rampage! - 20 kills in a row without dying. File:Rampage.JPG
- Untouchable! - 25 kills in a row without dying. File:Untouchable.JPG
- Invincible! - 30 kills in a row without dying. File:Invincible.JPG
Multi-kill medals
- Double Kill! - Kill 2 opponents within 4 seconds of the previous kill. File:Double Kill.JPG
- Triple Kill! - Kill 3 opponents within 4 seconds of the previous kill. File:Triple Kill.JPG
- Overkill! - Kill 4 opponents within 4 seconds of the previous kill. File:Overkill.JPG
- Killtacular! - Kill 5 opponents within 4 seconds of the previous kill. File:Killtacular.JPG
- Killtrocity! - Kill 6 opponents within 4 seconds of the previous kill. File:Killtrocity.JPG
- Killimanjaro! - Kill 7 opponents within 4 seconds of the previous kill. File:Killamanjaro.JPG
- Killtastrophe! - Kill 8 opponents within 4 seconds of the previous kill. File:Killtastrophe.JPG
- Killapocalypse! - Kill 9 opponents within 4 seconds of the previous kill. File:Killapocalypse.JPG
- Killionaire! - Kill 10 opponents within 4 seconds of the previous kill. File:Killionaire.JPG
Sniper Medals
- Sniper Kill! - Kill opponent with a sniper weapon. File:Sniper Kill.JPG
- Sniper Spree! - Kill 5 opponents in a row with the sniper without dying. File:Sniper Spree.JPG
- Sharpshooter - Kill 10 opponents in a row with the sniper without dying. File:Sharpshooter.JPG
Shotgun Medals
- Shotgun Spree! - Kill 5 opponents in a row with the Shotgun without dying. File:Shotgun Spree.JPG
- Open Season!- Kill 10 opponents in a row with the Shotgun without dying. File:Open Season.JPG
Vehicle Medals
- Splatter! - Hit and kill an opponent with a vehicle. File:Splatter.JPG
- Splatter Spree - Splatter 5 opponents in a row with a vehicle without dying. File:Splatter Spree.JPG
- Vehicular Manslaughter! - Splatter 10 opponents in a row with a vehicle without dying. File:Vehicular Manslaughter.JPG
- Wheelman! - Be the driver of a vehicle when a passenger kills an opponent. File:Wheelman.JPG
- Highjacker! - Board a vehicle. File:Hijacker.JPG
- Skyjacker! - Board an airborne vehicle. File:Image needed.jpg
Objective Medals
VIP
- Killed VIP! - Kill an opponent's VIP in a VIP game. File:Killed VIP.JPG
Assault
- Bomb Planted! - Plant the bomb in Assault. File:Bomb Plant.JPG
- Killed Bomb Carrier! - Kill an opponent bomb carrier in Assault. File:Killed Bomb Carrier.JPG
CTF
- Flag Score! - Score the flag in CTF. File:Flag Score.JPG
- Killed Flag Carrier! - Kill the opponent flag carrier in CTF. File:Killed Flag Carrier.JPG
- Flag Kill! - Get a melee kill with the flag. File:Flag Kill.JPG
King of the Hill
- Hail to the King! - Kill 5 opponents in a row from inside the hill without dying before it moves. File:Hail to the King.JPG
Oddball
- Oddball Kill! - Get a melee kill when holding the oddball. File:Oddball Kill.JPG
Slayer
- Perfection! - Win a slayer game with 15 kills or more without dying.
References
http://www.the360forum.com/showthread.php?t=14802
http://sorahn.net/pics/h3/medals/
http://www.bungie.net/Stats/GameStatsHalo3.aspx?gameid=484661&player=PhuRioN