| Afterlife | | Single | 1989 | 87.3 | 3 | 0 |
| Status Seeker | | Single | 1989 | 85 | 2 | 0 |
 | When Dream and Day Unite | Lyrics | Album | Mar 6, 1989 | 83.9 | 47 | 3 |
| ATCO Demos | | Demo | Jun 1991 | - | 0 | 0 |
| Another Day | | Single | 1992 | 90.7 | 6 | 1 |
| Images and Words | Lyrics | Album | Jul 7, 1992 | 94.7 | 224 | 16 |
| Images and Words: Live in Tokyo | | Video | 1993 | 94.3 | 4 | 0 |
| Live at the Marquee | | Live | Sep 3, 1993 | 90.6 | 31 | 4 |
| Caught in a Web | | Single | 1994 | 85 | 1 | 0 |
| Lie | | Single | 1994 | 90 | 1 | 0 |
| The Silent Man | | Single | 1994 | 84 | 2 | 0 |
| Awake | Lyrics | Album | Oct 4, 1994 | 93.1 | 143 | 10 |
| A Change of Seasons | Lyrics | EP | Sep 15, 1995 | 87.8 | 49 | 3 |
| Fan Club Christmas CD 1996 | | Compilation | Dec 25, 1996 | - | 0 | 0 |
| Hollow Years | | Single | 1997 | 85.5 | 2 | 0 |
| Falling Into Infinity | Lyrics | Album | Sep 19, 1997 | 84 | 73 | 5 |
| Fan Club Christmas CD 1997 | | Compilation | Dec 25, 1997 | - | 0 | 0 |
| 5 Years in a Live Time | | Video | 1998 | - | 0 | 0 |
| Once in a Live Time | | Live | 1998 | 80.4 | 19 | 2 |
| Fan Club Christmas CD 1998 | | Compilation | Dec 25, 1998 | 87 | 3 | 0 |
| Cleaning out the Closet (Christmas CD 1999) | | Compilation | 1999 | 85 | 1 | 0 |
| Metropolis Pt. 2: Scenes from a Memory | Lyrics | Album | Oct 26, 1999 | 96 | 206 | 13 |
| Through Her Eyes | | Single | 2000 | 88 | 3 | 0 |
| Fan Club Christmas CD 2000 | | Compilation | Dec 25, 2000 | - | 0 | 0 |
| Four Degrees of Radio Edits (Fan Club CD 2001) | | Compilation | 2001 | - | 0 | 0 |
| Metropolis 2000: Scenes From New York | | Video | 2001 | 95 | 4 | 0 |
| Live Scenes From New York | | Live | Sep 11, 2001 | 90.1 | 22 | 5 |
| Taste the Memories (Fan Club CD 2002) | | Compilation | 2002 | - | 0 | 0 |
| Six Degrees of Inner Turbulence | Lyrics | Album | Jan 12, 2002 | 90.6 | 60 | 3 |
| Graspop 2002 (International fan club CD 2003) | | Compilation | 2003 | - | 0 | 0 |
| Official Bootleg: The Majesty Demos 1985-1986 | | Demo | 2003 | - | 0 | 0 |
| Official Bootleg: The Making of Scenes from a Memory | | Compilation | 2003 | 83.5 | 2 | 0 |
| Official Bootleg: Los Angeles, California 5/18/98 | | Live | May 29, 2003 | - | 0 | 0 |
| As I Am | | Single | Oct 29, 2003 | 91.5 | 2 | 0 |
| Train of Thought | Lyrics | Album | Nov 11, 2003 | 93 | 104 | 6 |
| A Sort of Homecoming (Fan Club CD 2004) | | Compilation | 2004 | - | 0 | 0 |
| Images & Words/5 Years in a Live Time | | Video | 2004 | 82 | 2 | 0 |
| Official Bootleg: Master of Puppets | | Live | Feb 2004 | 59.4 | 18 | 1 |
| Official Bootleg: When Dream and Day Unite Demos 1987-1989 | | Demo | Feb 2004 | - | 0 | 0 |
| Official Bootleg: Tokyo, Japan 10/28/95 | | Live | Feb 2004 | - | 0 | 0 |
| Live at Budokan | | Video | Oct 4, 2004 | 95 | 1 | 0 |
| Live at Budokan | | Live | Oct 5, 2004 | 90.4 | 22 | 1 |
| Official Bootleg: Images and Words Demos 1989-1991 | | Demo | Feb 2005 | - | 0 | 0 |
| Official Bootleg: The Number of the Beast | | Live | Feb 2005 | 86.4 | 7 | 1 |
| Official Bootleg: When Dream and Day Reunite | | Live | Feb 2005 | 92.5 | 2 | 0 |
| Official Bootleg: When Dream and Day Reunite | | Video | Feb 2005 | 81 | 4 | 0 |
| Octavarium | Lyrics | Album | Jun 7, 2005 | 87.6 | 98 | 8 |
| Official Bootleg: Awake Demos 1994 | | Demo | Apr 2006 | 72 | 1 | 0 |
| Official Bootleg: Old Bridge, New Jersey 12/14/96 | | Live | Apr 2006 | - | 0 | 0 |
| Official Bootleg: Dark Side of the Moon | | Live | Apr 1, 2006 | 80 | 8 | 0 |
| Official Bootleg: Dark Side of the Moon | | Video | Apr 1, 2006 | - | 0 | 0 |
| Score: 20th Anniversary World Tour | | Live | Aug 29, 2006 | 92.3 | 37 | 4 |
| Score: 20th Anniversary World Tour | | Video | Aug 29, 2006 | 94 | 5 | 0 |
| Systematic Chaos | Lyrics | Album | Jun 4, 2007 | 85 | 67 | 6 |
| Official Bootleg: New York City 3/4/93 | | Live | Sep 9, 2007 | 100 | 1 | 0 |
| Official Bootleg: Made in Japan | | Live | Sep 9, 2007 | - | 0 | 0 |
| Official Bootleg: Falling Into Infinity Demos 1996-1997 | | Demo | Sep 9, 2007 | 87.5 | 2 | 0 |
| Official Bootleg: Bucharest, Romania 7/4/02 | | Video | Sep 9, 2007 | - | 0 | 0 |
| Progressive Nation 2008 | | Compilation | 2008 | 82.5 | 2 | 1 |
| Dream Theater's Greatest Hit | | Compilation | Apr 1, 2008 | 69.8 | 6 | 1 |
| Images and Words 15th Anniversary Performance | | Live | May 2008 | - | 0 | 0 |
| Chaos in Motion | | Video | Sep 23, 2008 | 80 | 2 | 0 |
| Chaos in Motion 2007/2008 | | Live | Sep 30, 2008 | 82.8 | 9 | 0 |
| Black Clouds & Silver Linings | Lyrics | Album | Jun 23, 2009 | 87.9 | 110 | 9 |
| Official Bootleg: Uncovered 2003-2005 | | Live | Jul 23, 2009 | - | 0 | 0 |
| Official Bootleg: Santiago, Chile 12/6/05 | | Video | Jul 23, 2009 | - | 0 | 0 |
| Official Bootleg: Train of Thought Instrumental Demos 2003 | | Demo | Jul 23, 2009 | 70 | 1 | 0 |
| Wither | Lyrics | EP | Sep 14, 2009 | 77.9 | 8 | 0 |
| Raw Dog | | Single | Mar 2, 2010 | 78 | 1 | 0 |
| On the Backs of Angels | | Single | Aug 2011 | 87.5 | 2 | 0 |
| A Dramatic Turn of Events | Lyrics | Album | Sep 13, 2011 | 86.1 | 99 | 4 |
| Triple Album Collection | | Boxed set | Oct 16, 2012 | 78.3 | 3 | 0 |
| Dream Theater | Lyrics | Album | Sep 24, 2013 | 87 | 85 | 5 |
| Live at Luna Park | | Video | Nov 5, 2013 | 87.9 | 14 | 0 |
| Happy Holidays from Dream Theater | | Live | Dec 25, 2013 | 77.5 | 6 | 1 |
| The Studio Albums 1992-2011 | | Boxed set | Jul 8, 2014 | - | 0 | 0 |
| Breaking the Fourth Wall | | Video | Sep 30, 2014 | 92.9 | 14 | 2 |
| The Astonishing | Lyrics | Album | Jan 29, 2016 | 79.4 | 80 | 11 |
| Our New World | | Single | Sep 9, 2016 | - | 0 | 0 |
| Untethered Angel | | Single | Dec 7, 2018 | 62.5 | 2 | 0 |
| Fall into the Light | | Single | Jan 11, 2019 | 65.7 | 7 | 1 |
| Paralyzed | | Single | Feb 8, 2019 | - | 0 | 0 |
| Distance Over Time | Lyrics | Album | Feb 22, 2019 | 82 | 59 | 9 |
| Distant Memories - Live in London | | Live | Nov 27, 2020 | 83.1 | 15 | 0 |
| The Holiday Spirit Carries On | | Single | Dec 1, 2020 | - | 0 | 0 |
| Lost Not Forgotten Archives: Images and Words - Live in Japan, 2017 | | Live | Jun 25, 2021 | 62.9 | 14 | 0 |
| The Alien | | Single | Aug 13, 2021 | 89 | 12 | 0 |
| Invisible Monster | | Single | Sep 22, 2021 | 83.3 | 11 | 1 |
| A View from the Top of the World | Lyrics | Album | Oct 22, 2021 | 91.4 | 54 | 4 |
| Lost Not Forgotten Archives: ...And Beyond - Live in Japan, 2017 | | Live | Apr 8, 2022 | - | 0 | 0 |
| Lost Not Forgotten Archives: Live in Berlin (2019) | | Live | Aug 12, 2022 | 90 | 1 | 0 |
| Lost Not Forgotten Archives: Live at Wacken (2015) | | Live | Dec 9, 2022 | - | 0 | 0 |
| Lost Not Forgotten Archives: Live at Madison Square Garden (2010) | | Live | Jan 13, 2023 | - | 0 | 0 |
| Lost Not Forgotten Archives: Distance Over Time Demos (2018) | | Demo | Feb 8, 2023 | - | 0 | 0 |
| New Album | | Album | Dec 2024 | - | 0 | 0 |
