Region | Title | System | Version | Edition | Languages | Serial | Status |
| Gadget: Past as Future (Disc 4) | PC | | Original | | GDGER-CD4 | |
| Gadget: Past as Future (Disc 3) | PC | | Original | | GDGER-CD3 | |
| Gadget: Past as Future (Disc 2) | PC | | Original | | GDGER-CD2 | |
| Gadget: Past as Future (Disc 1) | PC | | Original | | GDGER-CD1 | |
| Gadget: Invention, Travel, & Adventure ガジェット | PC | | Original | | SYWI-002 | |
| Gadget: Invention, Travel, & Adventure ガジェット | PC | | Shokai Tokuten | | TORT-2002 | |
| Gadget: Invention, Travel, & Adventure ガジェット | PC | | Original | | TORT-2006 | |
| Gadget & the Gadgetinis | PC | | McDonald's Happy Meal | | | |
| Gabriel Knight: Soundtrack | PC | | Gabriel Knight Mysteries: Limited Edition | | | |
| Gabriel Knight: Sins of the Fathers Gabriel Knight I | PC | 1.1 | SierraOriginals | | | |
| Gabriel Knight: Sins of the Fathers Gabriel Knight I | PC | 1.0 | Original | | 832284330 | |
| Gabriel Knight: Sins of the Fathers | PC | | Gabriel Knight Mysteries: Limited Edition | | | |
| Gabriel Knight: Sins of the Fathers | PC | | SierraOriginals | | D.L.:M-20475-97 | |
| Gabriel Knight: Sins of the Fathers Gabriel Knight I | PC | | SierraOriginals | | S5250120Z12ZZ | |
| Gabriel Knight: Sins of the Fathers Gabriel Knight I | PC | 1.1 | SierraOriginals | | S0010304 | |
| Gabriel Knight: Die Sünden der Väter Gabriel Knight: Sins of the Fathers | PC | 1.0 | Original | | UG602284380 | |
| Gabriel Knight: Die Sünden der Väter Gabriel Knight: Sins of the Fathers | PC | | SierraOriginals | | S5250520Z12ZZ | |
| Gabriel Knight 3: Il Mistero di Rennes-le-Château: Il Mistero Macchiato di Sangue (Disc 3) | PC | 1.0 | Original, Covermount | | S0016139 | |
| Gabriel Knight 3: Il Mistero di Rennes-le-Château: Il Mistero Macchiato di Sangue (Disc 2) | PC | 1.0 | Covermount | | | |
| Gabriel Knight 3: Il Mistero di Rennes-le-Château: Il Mistero Macchiato di Sangue (Disc 2) | PC | | Original | | S0016138 | |
| Gabriel Knight 3: Il Mistero di Rennes-le-Château: Il Mistero Macchiato di Sangue (Disc 1) | PC | 1.0 | Covermount | | | |
| Gabriel Knight 3: Il Mistero di Rennes-le-Château: Il Mistero Macchiato di Sangue (Disc 1) | PC | | Original | | S0016137 | |
| Gabriel Knight 3: Enigme en Pays Cathare (Disc 1) | PC | | Original | | | |
| Gabriel Knight 3: Enigme en Pays Cathare (Disc 3) | PC | 1.0.0.0 | Original | | S0015895 | |
| Gabriel Knight 3: Enigme en Pays Cathare (Disc 2) | PC | 1.0.0.0 | Original | | S0015894 | |
| Gabriel Knight 3: Enigme en Pays Cathare (Disc 1) | PC | 1.0.0.0 | Original | | S0015893 | |
| Gabriel Knight 3: Blut der Heiligen, Blut der Verdammten (Disc 3) | PC | 1.0 | Original, BestSeller Series | | S0015902, S0024877 | |
| Gabriel Knight 3: Blut der Heiligen, Blut der Verdammten (Disc 3) | PC | | Sierra's Classic Adventures | | S0023164 | |
| Gabriel Knight 3: Blut der Heiligen, Blut der Verdammten (Disc 2) | PC | 1.0 | Original, BestSeller Series | | S0015901, S0024876 | |
| Gabriel Knight 3: Blut der Heiligen, Blut der Verdammten (Disc 2) | PC | | Sierra's Classic Adventures | | S0023163 | |
| Gabriel Knight 3: Blut der Heiligen, Blut der Verdammten (Disc 1) | PC | 1.0 | Original | | S0015900 | |
| Gabriel Knight 3: Blut der Heiligen, Blut der Verdammten (Disc 1) | PC | 1.0 | Sierra's Classic Adventures | | S0023162 | |
| Gabriel Knight 3: Blut der Heiligen, Blut der Verdammten (Disc 1) | PC | | BestSeller Series | | S0024875 | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 3) | PC | 1.0 | Original | | | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 2) | PC | 1.0 | Original | | | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 1) | PC | 1.0 | Original | | | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 3) Gabriel Knight 3: krew świętych, krew potępionych | PC | | BestSeller Series | | | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 2) Gabriel Knight 3: krew świętych, krew potępionych | PC | | BestSeller Series | | | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 1) Gabriel Knight 3: krew świętych, krew potępionych | PC | | BestSeller Series | | | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 3) | PC | 1.0 | BestSeller Series | | S0015653 | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 3) | PC | 1.0 | Original, Xplosiv, SierraOriginals | | EI-1591-3, S0015653 | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 2) | PC | 1.0 | Original, Xplosiv, SierraOriginals | | EI-1591-2, S0015652 | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 1) | PC | 1.0 | BestSeller Series | | S0022578 | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 1) | PC | 1.0 | Original, SierraOriginals | | S0015651 | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 1) | PC | | Xplosiv | | EI-1591-1 | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 3) 狩魔猎人3:血咒疑云 | PC | 1.0 | Original | | | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 2) 狩魔猎人3:血咒疑云 | PC | 1.0 | Original | | | |
| Gabriel Knight 3: Blood of the Sacred, Blood of the Damned (Disc 1) 狩魔猎人3:血咒疑云 | PC | 1.0 | Original | | | |
| G.I. Combat: Episode 1: Battle of Normandy | PC | | Original | | 23904CD | |
| G.I. Combat: Episode 1: Battle of Normandy | PC | 1.04 | Original | | | |
| G.H.O.S.T. Hunters: Majesty Manor | PC | 1.1 | Original | | 02-9007-10 | |
| G.H.O.S.T. Hunters: Le Manoir Hanté ! | PC | | Original | | GHH854AF-CD | |
| G-ToK X3D G-ToK: The Defender | PC | | X3D | | | |
| G-Tok | PC | | Original | | | |
| G-Police | PC | 1.19 | Bundle Version OEM | | | |
| G-Police | PC | 1.19 | Original | | | |
| G-Police | PC | 1.18 | Bundle Version STB OEM | | 170-0008-001 | |
| G-Police | PC | | Bundle Version OEM | | | |
| G-Police | PC | 1.19 | Covermount | | | |
| G-Police | PC | 1.19 | Bundle Version OEM | | P/N: 1713320371 | |
| G-Police | PC | 1.19 | Bundle Version OEM | | | |
| G-Police | PC | 1.18 | Original | | | |
| G-Police | PC | | Bundle Version Intel MMX OEM | | | |
| G-Police | PC | 1.19 | Bundle Version Creative Labs OEM | | P/N: 1713320366 | |
| G-Police | PC | 1.19 | Original | | | |
| G-Police 特警雄鹰 | PC | | Original | | | |
| G-Nome | PC | | Bundle Version Packard Bell OEM | | 171203 | |
| G-Nome | PC | | Demo | | 75081 | |
| G-Nome | PC | | Original | | 70374 | |
| G-Nome | PC | | Original | | 70374 | |
| G-Nome | PC | 1.0 | Original | | | |
| G-Nome | PC | | Medium | | | |
| G-Nome | PC | | Gold Games 3 (CD 2) | | SPI 047 | |
| G-CIA (Secret Data File-1) | PC | | BB Games Online Game Fantasista | | disc_01 | |
| G-CIA (Secret Data File-2) | PC | | BB Games Online Game Fantasista | | disc_26 | |
| G-CIA (Secret Data File-3) | PC | | BB Games Online Game Fantasista | | disc_27 | |
| G-CIA (Secret Data File-4) | PC | | BB Games Online Game Fantasista | | disc_28 | |
| G-CIA (Secret Data File-5) | PC | | BB Games Online Game Fantasista | | disc_29 | |
| G-CIA (Secret Data File-6) | PC | | BB Games Online Game Fantasista | | disc_29-2 | |
| G Darius Gダライアス | PC | 1.0.0 | Sourcenext Selection | | 61280 | |
| G Darius Gダライアス | PC | | PC Game Best Series Vol. 59 | | | |
| G Dang'An G档案 | PC | | Bundled with Book | | | |