Complete each achievement to get the allotted gamerscore. The numbers between the () is the points given for each achievement.
| Achievement | How to unlock |
|---|
| Witness (20) | Witness the beginning of the Raccoon City outbreak. |
| Corrupted (20) | Complete the second mission of the USS campaign. |
| Danger, High Voltage! (20) | Complete the third mission of the USS campaign. |
| Rogue's Gallery (20) | Complete the fourth mission of the USS campaign. |
| Betrayal (20) | Complete the fifth mission of the USS campaign. |
| Down in the Labs (20) | Complete the sixth mission of the USS campaign. |
| Outbreak Survivalist (25) | Complete all U.S.S. missions on Veteran. |
| Raccoon City Cleanser (35) | Complete all U.S.S. missions on Professional. |
| Success (30) | Complete all U.S.S. missions with an S Rank. |
| Great Success (45) | Gain S+ on all U.S.S. mission on Professional/Veteran difficulty |
| On a Roll (15) | Achieve a 5 kill streak in a Versus match. |
| Skill... Or Luck? (25) | Achieve a 10 kill streak in a Versus match. |
| Now That's G (15) | Collect 3 G-Virus Samples in one Biohazard match. |
| No Sample For You (30) | Force 25 enemies to drop G-Virus Samples in Biohazard (lifetime). |
| Supreme Survivors (20) | In Survivors mode, have all 4 players on your team Survive the game. |
| Fallen Idols (30) | In Heroes mode, eliminate 4 Heroes in one game. |
| Sampler (20) | Play at least one match in every Versus game type |
| You Love to Hate My 98 (50) | Complete 98 Versus games |
| Tongue Tied (10) | Kill a Licker that is grappling a Teammate. |
| Like a Butterfly (15) | Kill 100 zombies with CQC (lifetime) |
| Green Thumb (25) | Heal with 101 Green Herbs (lifetime) |
| Down Boy (15) | Kill 13 zombie dogs (lifetime) |
| These Will Do (10) | Purchase 5 weapons. |
| Choices Aplenty (15) | Purchase 15 weapons. |
| Quite the Collection (30) | Purchase all available weapons. |
| One Trick Pony (10) | Purchase an ability. |
| Feelin' Stronger Every Day (15) | Fully upgrade an ability. |
| Look What I Can Do (20) | Purchase all abilities for one character class. |
| Ready to Dominate (20) | Fully upgrade all abilities for one character class. |
| So Many Choices (30) | Purchase all abilities for all character classes. |
| Epic Standards (40) | Upgrade all abilities for all characters to its maximum level. |
| Organic Shield (20) | Kill 5 enemies consecutively while using a zombie as a shield. |
| Baker's Dozen (30) | Kill 13 zombified teammates. |
| So Hot Right Now (15) | Kill 103 enemies with incendiary rounds (lifetime) |
| Bloody Good Time (20) | Kill 5 enemies by causing Blood Frenzy in a single campaign game or multiplayer match. |
| Up Close and Personal (10) | Kill 5 players in one multiplayer game with CQC Kills. |
| Chaos Averted (5) | Kill an infected teammate with a headshot before they become a zombie in any mode. |
| Like a Bee (20) | Kill 10 enemy players in one Versus game with CQC. |
| A Good by Any Other Name (15) | Kill an enemy with each weapon type including special weapons. |
| Raccoon City Mascot (15) | Collect all 7 Raccoons. |
| Secret Achievements | (10 in total) |
| Died Trying (15) | Attempt "The Rescue" and fail |
| A Hero Spared! (15) | Attempt "The Rescue" and survive. |
| The Loyalists (15) | Follow orders and defeat all liabilities |
| Stop Squirming (10) | 17 Hunters Killed (lifetime) |
| This Place Crawls (15) | 31 Parasites killed (lifetime) |
| By Trail of Dead (10) | 50 Versus opponents killed (lifetime) |
| Hat Trick (15) | 3 Tyrants Killed (lifetime) |
| Only Hurts For a While (10) | Infected 13 times (lifetime) |
| Clingy (10) | 13 Parasite Zombies killed (lifetime) |
| Revival (20) | Revive 31 team mates (lifetime) |
| DLC Achievements | Spec Ops DLC Missions 2-4 |
| Happy Trails (20) | Complete By the Trail of Our Dead |
| Hot Pants (20) | Complete I Now Know Why You Cry |
| Oh Yeah!!! (20) | Complete Nothing is as it Seems |
| Boom Worse than Bite (30) | 13 Bomb Dogs Detonated |
| Ticket to the Gun Show (25) | As Tweed, use C4 to open door in Foundry |
| Ladies Night (30) | Beat an Echo Six Expansion Pack mission with the 3 female characters in your party. |
| Who needs guns? (30) | Complete an Echo Six Expansion mission without killing anything with a gun. |
| Leave no Dead Man Behind (25) | Kill every zombie in the Park before leaving. |
| Burning Inside (15) | Kill another player with Crucible in a Foundry Versus Match |
| DLC Secret Achievements | - |
| Let Lounging Lickers Lie (35) | Do not wake up Lickers in the Atrium encounter in By the Trail of Our Dead |
| DLC Achievements | Echo Six Expansion Pack 2 |
| Rocket Socket (15) | Kill 5 enemies with Rocket Launcher |
| Bigger They Are (20) | Complete Longest Yard |
| Birth of an Abomination (20) | Complete Root of All Evil |
| Derailed (20) | Complete The Places We're Meant to Die |
| Tyranical (15) | 5 Tyrants Slain |
| Delivery Specialist (50) | Deliver all 5 virus samples for your team in Dispatch's Biohazard Mode |
| Turrets Syndrome (20) | Shut Down or Destroy 5 Turrets |
| Boys Club (30) | Beat an Echo Six Expansion Pack mission with 3 male characters in your party. |
| Supernaut (30) | 3 Super Tyrants Slain |
| Divided We Fall (30) | Complete an Echo Six Expansion mission with no human player incapacitated from death or infection. |
