| 99 |   | Under a Killing Moon (Windows, 2009) |
| 99 | | The Pandora Directive (Windows, 2009) |
| 99 | | Tesla Effect: A Tex Murphy Adventure (Windows, 2014) |
| 99 | | The Pandora Directive (DOS, 1996) |
| 99 | | Under a Killing Moon (DOS, 1994) |
| 90 | | Mean Streets (Windows, 2014) |
| 90 | | Mean Streets (DOS, 1989) |
| 80 | | Martian Memorandum (Windows, 2014) |
| 80 | | Martian Memorandum (DOS, 1991) |
| 65 | | The Dame Was Loaded (DOS, 1996) |
| 63 | | Private Eye (Windows, 1996) |
| 62 | | The Dame Was Loaded (Windows, 2018) |
| 62 | | Crimes & Punishments: Sherlock Holmes (Windows, 2014) |
| 62 | | Lost in the Nightmare (Windows, 2005) |
| 61 | | Full Moon in San Francisco (Windows, 2002) |
| 60 | | Sherlock Holmes: The Devil's Daughter (Windows, 2016) |
| 60 | | James Patterson: Women's Murder Club - Twice in a Blue Moon (Windows, 2009) |
| 60 | | Agatha Christie: Death on the Nile (Windows, 2008) |
| 60 | | Agatha Christie: Peril at End House (Windows, 2007) |
| 60 | | Deja Vu: A Nightmare Comes True!! (DOS, 1987) |
| 60 | | The Lost Cases of 221B Baker St. (Windows, 2010) |
| 60 | | Nick Chase and the Deadly Diamond (Windows, 2010) |
| 60 | | Mystery P.I.: Stolen in San Francisco (Windows, 2010) |
| 60 | | Manhunter 2: San Francisco (DOS, 1989) |
| 60 | | Neptune Flux (Windows, 2016) |
| 60 | | Face Noir (Windows, 2012) |
| 60 | | James Patterson: Women's Murder Club - A Darker Shade of Grey (Windows, 2007) |
| 60 | | The Mystery of the Mummy (Windows, 2003) |
| 50 | | Agatha Christie: Dead Man's Folly (Windows, 2009) |
| 47 | | Morpheus (Windows, 1998) |
| 47 | | Black Dahlia (Windows, 1998) |
| 47 | | Dark Side of the Moon (Windows, 1998) |
| 46 | | Temüjin (Windows, 1997) |
| 46 | | Spycraft: The Great Game (DOS, 1996) |
| 46 | | Titanic: Adventure Out of Time (Windows, 1999) |
| 45 | | Symbiocom (Windows, 1998) |
| 45 | | Spycraft: The Great Game (Windows, 1996) |
| 45 | | Treasure Quest (Windows, 1996) |
| 45 | | Mummy: Tomb of the Pharaoh (Windows, 1996) |
| 45 | | The Vampire Diaries (Windows, 1996) |
| 45 | | A.D. 2044 (Windows, 1996) |
| 45 | | John Saul's Blackstone Chronicles: An Adventure in Terror (Windows, 1998) |
| 45 | | Nancy Drew: Secrets Can Kill (Windows, 1998) |
| 45 | | Cracking the Conspiracy (Windows, 1999) |
| 45 | | Nancy Drew: Message in a Haunted Mansion (Windows, 2000) |
| 44 | | Foul Play: Mystery at Awkward Manor (Windows, 1995) |
| 44 | | The Mystery at Greveholm (Windows, 1997) |
| 44 | | Congo: The Movie - Descent into Zinj (Windows, 1995) |
| 44 | | Clue Chronicles: Fatal Illusion (Windows, 1999) |
| 44 | | Riddle of the Sphinx: An Egyptian Adventure (Windows, 2000) |
| 44 | | The 11th Hour (Windows, 1995) |
| 44 | | The 11th Hour (DOS, 1995) |
| 43 | | Detritus: The Daemons Quest (DOS, 1996) |
| 43 | | Casebook: Episode III - Snake in the Grass (Windows, 2009) |
| 43 | | Gone Home (Windows, 2013) |
| 43 | | Enigmatis 2: The Mists of Ravenwood (Windows, 2013) |
| 43 | | Evidence: The Last Ritual (Windows, 2006) |
| 43 | | Nancy Drew: The Final Scene (Windows, 2001) |
| 43 | | Casebook: Episode II - The Watcher (Windows, 2009) |
| 43 | | Return of the Obra Dinn (Windows, 2018) |
| 43 | | Egypt II: The Heliopolis Prophecy (Windows, 2000) |
| 43 | | The Mystery at Greveholm 3: The Old Legend (Windows, 2000) |
| 43 | | Seven Games of the Soul (Windows, 2000) |
| 43 | | Shine (Windows, 1996) |
| 43 | | Voyeur (DOS, 1994) |
| 43 | | Nancy Drew: Ghost Dogs of Moon Lake (Windows, 2002) |
| 43 | | Nancy Drew: Secret of the Scarlet Hand (Windows, 2002) |
| 43 | | Nancy Drew: Secrets Can Kill (Remastered) (Windows, 2010) |
| 42 | | Missing: An Interactive Thriller - Episode 1 (Windows, 2015) |
| 42 | | KGB (DOS, 1992) |
| 42 | | Casebook: Episode 0 - The Missing Urn (Windows, 2009) |
| 42 | | Lost Signals (DOS, 1995) |
| 42 | | Casebook: Episode 1 - Kidnapped (Windows, 2009) |
| 42 | | Conspiracies (Windows, 2003) |
| 42 | | Beyond Atlantis II (Windows, 2001) |
| 42 | | Umbra (Windows, 2001) |
| 42 | | Ally 2: Ben Franklin Adventure (Windows, 2001) |
| 42 | | Nancy Drew: Treasure in the Royal Tower (Windows, 2001) |
| 42 | | Necronomicon: The Dawning of Darkness (Windows, 2001) |
| 42 | | Conspiracies II: Lethal Networks (Windows, 2011) |
| 42 | | Dracula: The Last Sanctuary (Windows, 2001) |
| 42 | | Ramonovo Kouzlo (DOS, 1995) |
| 42 | | The Messenger (Windows, 2001) |
| 42 | | The Cameron Files: Secret at Loch Ness (Windows, 2001) |
| 42 | | Nancy Drew: Tomb of the Lost Queen (Windows, 2012) |
| 42 | | Nancy Drew: Curse of Blackmoor Manor (Windows, 2004) |
| 42 | | Nancy Drew: Ghost of Thornton Hall (Windows, 2013) |
| 42 | | Still Life (Windows, 2005) |
| 42 | | The Invisible Hours (Windows, 2017) |
| 42 | | Sagebrush (Windows, 2018) |
| 42 | | Nancy Drew: The Phantom of Venice (Windows, 2008) |
| 42 | | Amnesia: The Dark Descent (Windows, 2011) |
| 42 | | Sherlock Holmes: Consulting Detective (DOS, 1991) |
| 42 | | Nancy Drew: Danger on Deception Island (Windows, 2003) |
| 42 | | Adam Wolfe (Windows, 2016) |
| 41 | | The Testament of Sherlock Holmes (Windows, 2012) |
| 41 | | Nancy Drew: Shadow at the Water's Edge (Windows, 2010) |
| 41 | | Mystery Case Files: 13th Skull (Windows, 2011) |
| 41 | | Nancy Drew: The Captive Curse (Windows, 2011) |
| 41 | | Shardlight (Windows, 2016) |
| 41 | | Clockwork Tales: Of Glass and Ink (Windows, 2013) |
| 41 | | The Vanishing of Ethan Carter (Windows, 2014) |
| 41 | | The Eyes of Ara (Windows, 2016) |
| 41 | | Obduction (Windows, 2016) |
| 41 | | Lost in Time (DOS, 1993) |
| 41 | | The Painscreek Killings (Windows, 2017) |
| 41 | | Nancy Drew: Last Train to Blue Moon Canyon (Windows, 2005) |
| 41 | | Nancy Drew: Legend of the Crystal Skull (Windows, 2007) |
| 41 | | The Watchmaker (Windows, 2002) |
| 41 | | Nancy Drew: The Haunted Carousel (Windows, 2003) |
| 41 | | Nancy Drew: Secret of the Old Clock (Windows, 2005) |
| 41 | | Nancy Drew: The Secret of Shadow Ranch (Windows, 2004) |
| 41 | | >observer_ (Windows, 2017) |
| 41 | | Lake Ridden (Windows, 2018) |
| 41 | | Lifestream (Windows, 2004) |
| 40 | | The Initiate 2: The First Interviews (Windows, 2018) |
| 40 | | Dead Secret (Windows, 2016) |
| 40 | | Nancy Drew: The Deadly Device (Windows, 2012) |
| 40 | | Dark Mysteries: The Soul Keeper (Windows, 2012) |
| 40 | | Mystery Trackers: Four Aces (Windows, 2012) |
| 40 | | Death Upon an Austrian Sonata: A Dana Knightstone Novel (Windows, 2012) |
| 40 | | Red Johnson's Chronicles (Windows, 2013) |
| 40 | | Nightmares from the Deep 2: The Siren's Call (Windows, 2013) |
| 40 | | Strange Cases: The Faces of Vengeance (Windows, 2013) |
| 40 | | 9: The Dark Side of Notre Dame (Windows, 2013) |
| 40 | | The Fog (Windows, 2013) |
| 40 | | Motor Town: Soul of the Machine (Windows, 2013) |
| 40 | | The Cabinets of Doctor Arcana (Windows, 2018) |
| 40 | | Curse at Twilight: Thief of Souls (Windows, 2012) |
| 40 | | XIII: Lost Identity (Windows, 2011) |
| 40 | | The Occluder (Windows, 2018) |
| 40 | | Strange Cases: The Secrets of Grey Mist Lake (Windows, 2011) |
| 40 | | Dark Tales: Edgar Allan Poe's The Premature Burial (Windows, 2011) |
| 40 | | The Haunted Island: a Frog Detective Game (Windows, 2018) |
| 40 | | Enigmatis: The Ghosts of Maple Creek (Windows, 2011) |
| 40 | | Nancy Drew: Alibi in Ashes (Windows, 2011) |
| 40 | | Mountain Crime: Requital (Windows, 2011) |
| 40 | | Mystery Castle: The Mirror's Secret (Windows, 2015) |
| 40 | | The Shapeshifting Detective (Windows, 2018) |
| 40 | | Heliophobia (Windows, 2018) |
| 40 | | Dreamwalker: Never Fall Asleep (Windows, 2018) |
| 40 | | Entwined: The Perfect Murder (Windows, 2018) |
| 40 | | Criminal Minds (Windows, 2012) |
| 40 | | Brink of Consciousness: Dorian Gray Syndrome (Windows, 2012) |
| 40 | | Corrosion: Cold Winter Waiting (Windows, 2012) |
| 40 | | Angel Code: A Linda Hyde Mystery (Windows, 2012) |
| 40 | | Midnight at the Red Light: An Investigation (Windows, 2017) |
| 40 | | Déjà Vu II: Lost in Las Vegas - MacVenture Series (Windows, 2015) |
| 40 | | Midnight Mysteries: Ghostwriting (Windows, 2015) |
| 40 | | In Fear I Trust: Episode 1 - Waking Up (Windows, 2016) |
| 40 | | Déjà Vu: A Nightmare Comes True - MacVenture Series (Windows, 2015) |
| 40 | | Die drei ??? Kids: Jagd auf das Phantom (Windows, 2014) |
| 40 | | Death and Betrayal in Romania: A Dana Knightstone Novel (Windows, 2014) |
| 40 | | Crime City (DOS, 1993) |
| 40 | | Déjà Vu I & II: The Casebooks of Ace Harding (DOS, 1992) |
| 40 | | Déjà Vu II: Lost in Las Vegas (DOS, 1990) |
| 40 | | SVRVIVE: The Deus Helix (Windows, 2016) |
| 40 | | Top Secret (DOS, 1987) |
| 40 | | Manhunter: New York (DOS, 1988) |
| 40 | | Crime Time (DOS, 1991) |
| 40 | | The House at the Edge of Time (DOS, 1990) |
| 40 | | Demetrios: The Big Cynical Adventure (Windows, 2016) |
| 40 | | Geisha (DOS, 1990) |
| 40 | | Dylan Dog: Through the Looking Glass (DOS, 1993) |
| 40 | | Borgia (Windows, 2011) |
| 40 | | FOTD (Windows, 2017) |
| 40 | | Detective Grimoire: Secret of the Swamp (Windows, 2014) |
| 40 | | Serena (Windows, 2014) |
| 40 | | Crystals of Time (Windows, 2013) |
| 40 | | Mystery Trackers: Silent Hollow (Windows, 2013) |
| 40 | | Satellite (Windows, 2018) |
| 40 | | Inspektor Griffu (DOS, 1990) |
| 40 | | Mystery Trackers: Raincliff's Phantoms (Windows, 2014) |
| 40 | | The Initiate (Windows, 2017) |
| 40 | | Kona (Windows, 2017) |
| 40 | | Nancy Drew: The Shattered Medallion (Windows, 2017) |
| 40 | | Black Sect (DOS, 1993) |
| 40 | | The Crow's Eye (Windows, 2017) |
| 40 | | Green Moon 2 (Windows, 2016) |
| 40 | | Spirit of the Ancient Forest (Windows, 2017) |
| 40 | | Amaranthine Voyage: The Living Mountain (Windows, 2017) |
| 40 | | Dead Secret: Circle (Windows, 2018) |
| 40 | | Masters of Mystery: Blood of Betrayal (Windows, 2009) |
| 40 | | Fedora Spade: The Red Ring (Windows, 2007) |
| 40 | | Nancy Drew: The White Wolf of Icicle Creek (Windows, 2007) |
| 40 | | Fedora Spade: Prologue (Windows, 2007) |
| 40 | | Anacapri: The Dream (Windows, 2007) |
| 40 | | Mystery P.I.: The Lottery Ticket (Windows, 2007) |
| 40 | | Magic Academy (Windows, 2007) |
| 40 | | Nancy Drew Double Dare 4 (Windows, 2007) |
| 40 | | The Spoiler (Windows, 2007) |
| 40 | | Aurora: The Secret Within (Windows, 2007) |
| 40 | | Lucy Q Deluxe (Windows, 2007) |
| 40 | | Hide & Secret: Treasure of the Ages (Windows, 2007) |
| 40 | | Black Viper: Sophia's Fate (Windows, 2014) |
| 40 | | Cayanne Pepper (Windows, 2007) |
| 40 | | CSI: Crime Scene Investigation - Hard Evidence (Windows, 2007) |
| 40 | | Blood Ties (Windows, 2008) |
| 40 | | Natalie Brooks: Secrets of Treasure House (Windows, 2008) |
| 40 | | Cate West: The Vanishing Files (Windows, 2008) |
| 40 | | AGON: The Lost Sword of Toledo (Windows, 2008) |
| 40 | | Haunted Hotel (Windows, 2008) |
| 40 | | Mystery in London (Windows, 2008) |
| 40 | | Fedora Spade: Death Wears a Fedora (Windows, 2007) |
| 40 | | Pirateville (Windows, 2007) |
| 40 | | The Experiment (Windows, 2008) |
| 40 | | Sherlock Holmes: Nemesis (Windows, 2008) |
| 40 | | Ghost in the Sheet (Windows, 2007) |
| 40 | | Carte Blanche: First Episode - For a Fistful of Teeth (Windows, 2006) |
| 40 | | Heartland Deluxe (Windows, 2006) |
| 40 | | Jack the Ripper (Windows, 2004) |
| 40 | | Law & Order II: Double or Nothing (Windows, 2003) |
| 40 | | CSI: Crime Scene Investigation - Dark Motives (Windows, 2004) |
| 40 | | The Arrangement (Windows, 2004) |
| 40 | | Lights Out (Windows, 2004) |
| 40 | | A Quiet Weekend in Capri (Windows, 2004) |
| 40 | | The Sydney Mystery (Windows, 2003) |
| 40 | | Gyakuten Saiban 2 (Windows, 2006) |
| 40 | | Gyakuten Saiban (Windows, 2005) |
| 40 | | Gyakuten Saiban 3 (Windows, 2006) |
| 40 | | Dark Fall: The Journal (Windows, 2003) |
| 40 | | CSI: Crime Scene Investigation (Windows, 2003) |
| 40 | | CSI: Miami (Windows, 2004) |
| 40 | | The Beast of Lycan Isle (Windows, 2013) |
| 40 | | Nancy Drew: Danger by Design (Windows, 2006) |
| 40 | | CSI: Crime Scene Investigation - 3 Dimensions of Murder (Windows, 2006) |
| 40 | | Missing (Windows, 2006) |
| 40 | | Nancy Drew: The Creature of Kapu Cave (Windows, 2006) |
| 40 | | Intrigue At Oakhaven Plantation (Windows, 2006) |
| 40 | | The Forgotten Pharaoh (Windows, 2014) |
| 40 | | The Mirror Mysteries: Forgotten Kingdoms (Windows, 2014) |
| 40 | | Red Johnson's Chronicles: One Against All (Windows, 2013) |
| 40 | | Detective Agency 3: Ghost Painting (Windows, 2013) |
| 40 | | Shady Brook (Windows, 2005) |
| 40 | | Nancy Drew Double Dare 3 (Windows, 2006) |
| 40 | | Nancy Drew: Double Dare 5 (Windows, 2008) |
| 40 | | Fedora Spade: The Last Job (Windows, 2008) |
| 40 | | Hotel (Windows, 2010) |
| 40 | | Grace's Quest: To Catch An Art Thief (Windows, 2010) |
| 40 | | Strange Cases: The Lighthouse Mystery (Windows, 2010) |
| 40 | | Curse of the Ghost Ship (Windows, 2010) |
| 40 | | Midnight Mysteries: Salem Witch Trials (Windows, 2010) |
| 40 | | Real Detectives: Murder in Miami (Windows, 2010) |
| 40 | | Millennium Secrets: Emerald Curse (Windows, 2010) |
| 40 | | Shutter Island (Windows, 2010) |
| 40 | | Penny Dreadfuls: Sweeney Todd (Windows, 2010) |
| 40 | | Mystery P.I.: The London Caper (Windows, 2010) |
| 40 | | It's All About Masks (Windows, 2010) |
| 40 | | FBI: Paranormal Case (Windows, 2010) |
| 40 | | Nancy Drew: Trail of the Twister (Windows, 2010) |
| 40 | | Journalistic Stories (Windows, 2010) |
| 40 | | Dark Parables: The Exiled Prince (Windows, 2011) |
| 40 | | Charlaine Harris: Dying for Daylight (Windows, 2011) |
| 40 | | Mystery Trackers: Raincliff (Windows, 2011) |
| 40 | | Midnight Mysteries: Devil on the Mississippi (Windows, 2011) |
| 40 | | Age of Enigma: The Secret of the Sixth Ghost (Windows, 2011) |
| 40 | | Mystery of Mortlake Mansion (Windows, 2011) |
| 40 | | Baron Wittard: Nemesis of Ragnarok (Windows, 2011) |
| 40 | | Nancy Drew: Collector's Edition Fan Favorites (Windows, 2010) |
| 40 | | Jane Croft: The Baker Street Murder (Windows, 2010) |
| 40 | | Twisted: A Haunted Carol (Windows, 2010) |
| 40 | | Resurrection: New Mexico (Windows, 2011) |
| 40 | | Rhianna Ford & The Da Vinci Letter (Windows, 2010) |
| 40 | | Dark Tales: Edgar Allan Poe's Murders in the Rue Morgue (Windows, 2010) |
| 40 | | Mystery P.I.: Lost in Los Angeles (Windows, 2009) |
| 40 | | Danger Next Door: Miss Teri Tale's Adventure (Windows, 2009) |
| 40 | | Masters of Mystery: Crime of Fashion (Windows, 2009) |
| 40 | | Detective Agency (Windows, 2009) |
| 40 | | DinerTown Detective Agency (Windows, 2009) |
| 40 | | Cate West: The Velvet Keys (Windows, 2009) |
| 40 | | The Emptiness (Windows, 2015) |
| 40 | | Nancy Drew: The Haunting of Castle Malloy (Windows, 2008) |
| 40 | | Righteous Kill (Windows, 2008) |
| 40 | | Nancy Drew Dossier: Lights, Camera, Curses! (Windows, 2008) |
| 40 | | Detective Stories: Hollywood (Windows, 2008) |
| 40 | | Adventure Chronicles: The Search for Lost Treasure (Windows, 2008) |
| 40 | | Nancy Drew: Ransom of the Seven Ships (Windows, 2009) |
| 40 | | Defenders of Law: The Rosendale File (Windows, 2009) |
| 40 | | Profiler: The Hopscotch Killer (Windows, 2009) |
| 40 | | Murder, She Wrote (Windows, 2009) |
| 40 | | Jack the Ripper: Letters from Hell (Windows, 2009) |
| 40 | | Cajun Cop: The French Quarter Caper (Windows, 2009) |
| 40 | | Dark Fall: Lost Souls (Windows, 2009) |
| 40 | | CSI: Crime Scene Investigation - Deadly Intent (Windows, 2009) |
| 40 | | Mystery of Cleopatra (Windows, 2009) |
| 40 | | Mystery Masterpiece: The Moonstone (Windows, 2009) |
| 40 | | Marooned (Windows, 2009) |
| 40 | | Strange Cases: The Tarot Card Mystery (Windows, 2009) |
| 40 | | Nancy Drew: Warnings at Waverly Academy (Windows, 2009) |
| 40 | | The Secret Order 2: Masked Intent (Windows, 2015) |
