| 365 | Single | February 9, 2005 | — |
| Gemini: Good vs. Evil | Album | February 8, 2005 | — |
| Instrumental Mixtape, Volume One | Album | February 1, 2005 | Mixtape/Street |
| Rare Recordings and DJ Remixes | Album | February 1, 2005 | Remix |
| Girls | Single | January 31, 2005 | — |
| Hoffnung stirbt zuletzt | Single | January 31, 2005 | — |
| The Surviving Elements: From Soul Survivor II Sessions | Album | January 31, 2005 | Compilation |
| Fast Cars | Single | January 25, 2005 | — |
| Tha Dogg Pound Gangsta LP | Album | January 25, 2005 | — |
| The Foundation | Album | January 25, 2005 | — |
| This Right Here Is Buck 65 | Album | January 25, 2005 | Compilation |
| Generation | Single | January 24, 2005 | — |
| New Single | Single | January 24, 2005 | — |
| Verdanken | Single | January 18, 2005 | — |
| The Documentary | Album | January 13, 2005 | — |
| Lean Wit It, Rock Wit It | Single | January 10, 2005 | — |
| Headshots: Se7en | Album | January 4, 2005 | Compilation |
| The Greatest Hits | Album | January 4, 2005 | Compilation |
| The Osirus Mixtape | Album | January 4, 2005 | Mixtape/Street |
| Flyest Nigga In Charge, Vol. 1 | Album | January 2, 2005 | Mixtape/Street |
| Black Mercedes | Single | January 1, 2005 | — |
| Con propósito | Album | January 1, 2005 | — |
| Gold | Album | January 1, 2005 | Compilation |
| Right Right Now Now | EP | January 1, 2005 | — |
| The Hand That Feeds (DFA remix) | Single | January 1, 2005 | Remix |
| The Sound of Revenge | Album | January 1, 2005 | — |
| Thoughts of a Predicate Felon | Album | January 1, 2005 | — |
| West Coast Resurrection | Album | January 1, 2005 | — |
| Flerräter | Single | January 2005 | — |
| Streets All Amped | Single | January 2005 | — |
| "Any Other Day" | Single | 2005 | — |
| 1988 Live: The Official Nineteen Eighty-Eight Mixtape | Album | 2005 | Mixtape/Street |
| 2005-10-12: KCMP 89.3fm, Minneapolis, MN, USA | Album | 2005 | Live |
| 2005-10-29: Clubs Tent, Las Vegas, NV, USA | Album | 2005 | Live |
| 3 Freaks | Single | 2005 | — |
| 62 Beats (Unreleased Beattape) | Album | 2005 | Compilation |
| 718: Stapleton To Somalia | Album | 2005 | — |
| A Mix of All That Was | Album | 2005 | Compilation |
| Adios | Single | 2005 | — |
| Are You Feelin' Me | Single | 2005 | — |
| Back Like Cooked Crack 3: Fiend Out | Album | 2005 | Compilation |
| Bazooka Tooth (Headphone Science version) | Album | 2005 | Remix |
| Behind the Bars | Album | 2005 | — |
| Belly Dancer (Bananza) | Single | 2005 | — |
| Best Behaviour (remix) / My Life’s on the Edge | Single | 2005 | — |
| Bin Laden Remix (Bin Laden, Part 2) | Single | 2005 | Remix |
| Blah-blasphemy 10'' | EP | 2005 | — |
| Breaking Shit | Album | 2005 | Compilation |
| Chains / Black & White | Single | 2005 | — |
| Checkmate / Fuck 50 Cent | Single | 2005 | Mixtape/Street |
| Chi more pe' mme | Album | 2005 | — |
| Closed Session | Album | 2005 | — |
| Collabos and Rarities (1998-2005) | Album | 2005 | Compilation |
| Come Get It | Single | 2005 | — |
| Controversy Sells | Album | 2005 | — |
| Der Untergang | Single | 2005 | — |
| Die John Bello Story | Album | 2005 | Mixtape/Street |
| DJ Bizkid Presents: The Best of Atmosphere | Album | 2005 | Compilation |
| DJ Katch.com Exclusive | Single | 2005 | — |
| Don’t Matter | Single | 2005 | — |
| Dälek vs. Zu | Single | 2005 | — |
| Enigma | Album | 2005 | — |
| Eqqissitinnga | Album | 2005 | — |
| Excessive Ephemera | Album | 2005 | Compilation |
| Execution One | Album | 2005 | Compilation |
| Expiration Date EP | EP | 2005 | — |
| Extra F.U.N.K. | Album | 2005 | Compilation |
| Fahrenheit 1/15, Part 1: The Truth Is Among Us | Album | 2005 | Mixtape/Street |
| Father | Single | 2005 | — |
| Fire | Single | 2005 | — |
| For the Fans | Album | 2005 | — |
| For the Nasty | Single | 2005 | — |
| Fort Europa / Looptroop Radio | Single | 2005 | — |
| Four Tet & Koushik Remixes | Album | 2005 | Compilation |
| Four Tet Remixes | EP | 2005 | Remix |
| Ganz einfach | Single | 2005 | — |
| Get Back (Sum 41 rock remix) | Single | 2005 | Remix |
| Get Crunk / Lovers & Friends | Single | 2005 | — |
| Get Down / Gasolina | Single | 2005 | — |
| Get Em Up | Single | 2005 | — |
| God’s Gift: The Nas/Jay-Z Project | Album | 2005 | Mixtape/Street |
| Goes Hollywood, Vol. 2 | EP | 2005 | — |
| Greatest Hits | Album | 2005 | Compilation |
| Hate It or Love It | Single | 2005 | — |
| Hell No We Ain’t All Right! | Single | 2005 | — |
| Hey! (A Lil Gratitude) | Single | 2005 | — |
| High in the Clouds | Single | 2005 | — |
| Hirntot | Album | 2005 | Audio drama |
| Holla at Me | Single | 2005 | — |
| Hombre | Single | 2005 | — |
| Hush | Single | 2005 | — |
| I Think They Like Me (remix) | Single | 2005 | Remix |
| I'm A G | Single | 2005 | — |
| I'm a Hustla | Single | 2005 | — |
| I'm Black | Single | 2005 | — |
| I.D.S.T / I Know | Single | 2005 | — |
| Ich bin ein Star holt mich hier raus | Album | 2005 | Mixtape/Street |
| Intoxicated | Single | 2005 | — |
| J-Love Presents… Miss Alicia Keys | Album | 2005 | Compilation |
| Jewelry Box Sessions: Part One | Album | 2005 | — |