| Mysterium (1991) | 21,959,991 | 625 |
| Mystery Agency: Visions of Time (2011) | 386 | 3 |
| Mystery at Grand Fir Village (2023) | 25 | 1 |
| Mystery at Morgoth (2023) | 289 | 7 |
| Mystery Boxes (2025) | 15,249,014 | 240 |
| Mystery Case Files: 13th Skull (2010) | 2,002,538 | 679 |
| Mystery Case Files: A Crime in Reflection (2023) | 26,823 | 110 |
| Mystery Case Files: Agent X (2008) | 6,512 | 3 |
| Mystery Case Files: Black Crown (2019) | 388,925 | 190 |
| Mystery Case Files: Broken Hour (2016) | 122,003 | 235 |
| Mystery Case Files: Crossfade (2020) | 94,031 | 122 |
| Mystery Case Files: Dire Grove (2009) | 1,398,149 | 412 |
| Mystery Case Files: Dire Grove, Sacred Grove (2014) | 247,869 | 247 |
| Mystery Case Files: Escape from Ravenhearst (2011) | 1,382,629 | 318 |
| Mystery Case Files: Fate's Carnival (2013) | 516,765 | 335 |
| Mystery Case Files: Huntsville (2005) | 226,818 | 331 |
| Mystery Case Files: Incident at Pendle Tower (2021) | 67,769 | 117 |
| Mystery Case Files: Key to Ravenhearst (2015) | 653,012 | 268 |
| Mystery Case Files: Madame Fate (2007) | 613,637 | 470 |
| Mystery Case Files: MillionHeir (2008) | 110,345 | 101 |
| Mystery Case Files: Moths to a Flame (2019) | 119,643 | 247 |
| Mystery Case Files: Prime Suspects (2006) | 191,804 | 275 |
| Mystery Case Files: Ravenhearst (2006) | 1,051,708 | 1,116 |
| Mystery Case Files: Ravenhearst Unlocked (2015) | 465,172 | 249 |
| Mystery Case Files: Return to Ravenhearst (2008) | 3,539,677 | 365 |
| Mystery Case Files: Rewind (2018) | 154,391 | 135 |
| Mystery Case Files: Shadow Lake (2012) | 508,643 | 311 |
| Mystery Case Files: Spirits of Blackpool (2013) | 6,947 | 1 |
| Mystery Case Files: The Black Veil (2017) | 318,841 | 266 |
| Mystery Case Files: The Countess (2018) | 98,301 | 202 |
| Mystery Case Files: The Dalimar Legacy (2023) | 36,426 | 133 |
| Mystery Case Files: The Harbinger (2020) | 359,538 | 171 |
| Mystery Case Files: The Last Resort (2022) | 49,916 | 119 |
| Mystery Case Files: The Malgrave Incident (2011) | 747,749 | 192 |
| Mystery Case Files: The Revenant's Hunt (2017) | 114,463 | 167 |
| Mystery Case Files: The Riddle of Mrs. Bishop (2024) | 89,407 | 98 |
| Mystery Castle: The Mirror's Secret (2015) | 53,991 | 43 |
| Mystery Chronicle: One Way Heroics (2012) | 89,262 | 209 |
| Mystery Chronicles: Murder Among Friends (2008) | 30,266 | 6 |
| Mystery Circle (1992) | 5,899 | 17 |
| Mystery Cookbook (2008) | 17,584 | 32 |
| Mystery Cruise (2010) | 19,714 | 20 |
| Mystery Crusaders: Resurgence of the Templars (2015) | 27,879 | 22 |
| Mystery Detective Adventure (2024) | 613,902 | 421 |
| Mystery Dungeon: Shiren the Wanderer (1995) | 42,646,271 | 22,202 |
| Mystery Fun House (1979) | 232,143 | 16 |
| Mystery House (1980) | 25,307,978 | 347 |
| Mystery House II (1982) | 8,564 | 9 |
| Mystery in London: On the Trail of Jack the Ripper (2007) | 31,211 | 5 |
| Mystery Legends: Sleepy Hollow (2008) | 107,595 | 139 |
| Mystery Mania (2009) | 63,250 | 28 |
| Mystery Manor (2010) | 170,988 | 226 |
| Mystery Mansion (2008) | 3,951,421 | 133 |
| Mystery Masterpiece: The Moonstone (2009) | 71,471 | 23 |
| Mystery Mine (2016) | 67,169 | 27 |
| Mystery Murders: Jack the Ripper (2013) | 44,069 | 42 |
| The Mystery of Arkham Manor (1987) | 2,647 | 6 |
| The Mystery of Caketropolis (2021) | 9,418 | 24 |
| The Mystery of Devils House (2018) | 0 | 0 |
| Mystery of Gevaudan (2025) | 1 | 1 |
| Mystery of Melody Memorial (2024) | 787 | 5 |
| Mystery of Mortlake Mansion (2011) | 248,384 | 149 |
| Mystery of Neuschwanstein (2015) | 249,856 | 127 |
| Mystery Of Rivenhallows (2016) | 29,694 | 12 |
| Mystery of the Ancients: Black Dagger (2018) | 42,099 | 72 |
| Mystery of the Ancients: Curse of the Black Water (2012) | 64,837 | 45 |
| Mystery of the Ancients: Deadly Cold (2015) | 35,508 | 52 |
| Mystery of the Ancients: Lockwood Manor (2011) | 34,882 | 43 |
| Mystery of the Ancients: Mud Water Creek (2016) | 93,779 | 102 |
| Mystery of the Ancients: No Escape (2019) | 66,338 | 71 |
| Mystery of the Ancients: The Sealed and Forgotten (2017) | 42,832 | 64 |
| Mystery of the Ancients: Three Guardians (2014) | 105,774 | 83 |
| The Mystery of the Crystal Portal (2008) | 166,973 | 96 |
| The Mystery of the Druids (2001) | 10,019,888 | 524 |
| The Mystery of the Hudson Case (2018) | 8,321 | 2 |
