| icon | info | RA score |
|---|---|---|
 | Now Drop a Flare! Obtain the map of USS Sulaco | 1points |
 | Track That Life Form Obtain the ME3 Hand Welder and the M314 Motion Tracker | 1points |
 | Never out of Sight In the first alien encounter, keep the Alien Warrior on-screen for the entire fight and defeat it using only the pistol, without climbing ladders or losing any marines | 10points |
 | The Buster & The Booker Meet both marines on the USS Sulaco in Mission 1 | 4points |
 | Queen Quarrel Defeat the Queen in Mission 1 | 10points |
 | The Queen's Chambers Cleanup Defeat the Queen in Mission 1 after killing every enemy and Alien Egg in the room, without using grenades or losing any marines | 10points |
 | I Like to Keep This Handy, for Close Encounters Acquire the M37A2 Combat Shotgun | 1points |
 | First Target: BP-33 Celestial Defense Gun Obtain the map of LV-426 | 1points |
 | Stick It on Your Shoulder and Light the Way! Obtain the TNR Lamp | 2points |
 | Negligent Discharge Frighten the soldier in the shower after he gives you the UPP Elevator Key in the western base of LV-426 | 1points |
 | The Gristle & The Cowboy Meet both marines on LV-426 in Mission 2 | 4points |
 | No Driving Back Escape LV-426 without driving backwards and without your APC taking more than 30 hits | 10points |
 | Did It Grow out of the Chair? Defeat the Space Jockey Alien in Mission 2 and unlock the Knife Trick game | 10points |
 | Close Encounters of the Space Jockey Alien Defeat the Space Jockey Alien in Mission 2 with the shotgun only, without losing any marines | 10points |
 | It's Completely Empty... But It's Functional Acquire the M240 Incinerator Unit | 3points |
 | The Cutter & The Cuchillos Meet both marines on the USS Sulaco in Mission 3 | 4points |
 | I Have a Class 2 Rating Without moving, use overhead strikes with the Power Loader to parry 10 of the Queen's attacks in the first phase of the rematch in Mission 3 | 10points |
 | Stubborn Marine Eject the Queen in the second phase of the rematch without harming her or losing any marines in Mission 3 | 10points |
 | The Queen Ejected Eject the Queen from the USS Sulaco in Mission 3 | 10points |
 | Alien Souls Roll through 10 Alien Drone lunge attacks without taking damage or exiting rooms via elevator or vent | 10points |
 | Deep Into the Underground Obtain the map of Phobos | 1points |
 | Let's Rock! Acquire the M56A2 Smart Gun | 1points |
 | The Bonesaw & The Beta Meet both marines on Phobos in Mission 4 | 4points |
 | King Gorillalien Defeat the Gorilla King in Mission 4 | 10points |
 | Pyromaniac Defeat the Gorilla King in Mission 4 with the flamethrower only, without losing any marines | 25points |
 | Alien Ping Pong In Mission 5, kill 2 Alien Warriors with the Power Loader with thrust attacks only, without using any guns or grenades | 5points |
 | Turn Down the Pressure Obtain the Wrench | 2points |
 | Now I Can Breathe Obtain the Oxygen Tank | 3points |
 | No Time to Kill Complete the Outer Space area without firing your gun or losing any marines | 5points |
 | Full Access Obtain all Access Keys in the game | 10points |
 | The Whole Squad Is Here! Meet all seven marines on USS Sulaco in Mission 5 | 10points |
 | I Am a Marine, and You Can't Replace That! Defeat the Empress in Mission 5 and complete the game | 25points |
 | Waltz with the Empress Swap sides with the Empress every time she jumps, and defeat her without using any elevated platforms or losing more than one marine | 50points |
 | Pistol Prodigy Fully upgrade the VP70 Pistol | 5points |
 | My Best Friend Fully upgrade the M41A Pulse Rifle | 5points |
 | Fully Pumped Fully upgrade the M37A2 Combat Shotgun | 5points |
 | Max Heat Fully upgrade the M240 Incinerator Unit | 5points |
 | The Smartest Gun in the Room Fully upgrade the M56A2 Smart Gun | 5points |
 | Bishop Would Be Proud Score at least 150 in the Knife Trick minigame | 10points |
 | Monkey Escort Mission Encounter your first Gorilla Alien in Mission 4, and lure it to the bottom floor without losing any marines; exit and re-enter the top floor to try again | 10points |
