| PC/MS-Windows pack. |  Jackpot Bennaction - B02, Discover The Mystery Combination Model 1747150 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Jackpot Bennaction - B03, Discover The Mystery Combination Model 1748490 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Jackpot Bennaction - B04, Discover The Mystery Combination Model 1760220 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Jackpot Bennaction - B05, Discover The Mystery Combination Model 1761030 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Jackpot Bennaction - B06, Discover The Mystery Combination Model 1761690 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Jackpot Bennaction - B07, Discover The Mystery Combination Model 1761810 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Jackpot Bennaction - B08, Discover The Mystery Combination Model 1762300 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Jackpot Bennaction - B09, Discover The Mystery Combination Model 1762910 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Jackpot Bennaction - B10, Discover The Mystery Combination Model 1762950 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Jackpot Bennaction - B11, Discover The Mystery Combination Model 1763040 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Jackpot Bennaction - B12, Discover The Mystery Combination Model 1765500 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Jackpot Bennaction - B13, Discover The Mystery Combination Model 1765620 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Jackpot Bennaction - B14, Discover The Mystery Combination Model 1765630 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | JARS | 2021 | GOG sp. z o.o. |
| NEC TurboGrafx-CD | Jessie Jaeger in Cleopatra's Curse Hb | 2021 | Bold Game Studio |
| Arcade Video game | Jet Blaster | 2021 | SEGA Amusements, Inc. Elk Grove Village, IL, USA |
| PC/MS-Windows pack. | Jet Kave Adventure | 2021 | GOG sp. z o.o. |
| Pinball | John Carpenter’s Halloween | 2021 | Spooky Pinball, LLC |
| PC/MS-Windows pack. | Journey to the Savage Planet | 2021 | GOG sp. z o.o. |
| TRS-80 CoCo disk | Joust Hb | 2021 | Hewlett, Glen |
| PC/MS-Windows pack. | Jumpala | 2021 | GOG sp. z o.o. |
| Arcade Video game | Kasiori | 2021 | Success Japan |
| PC/MS-Windows pack. | Kathy Rain - Director's Cut | 2021 | GOG sp. z o.o. |
| PC/MS-Windows pack. | Kathy Rain - Director's Cut Deluxe Edition | 2021 | GOG sp. z o.o. |
| Arcade Video game | Kidou Senshi Gundam - Senjou no Kizuna II | 2021 | Bandai NAMCO Ent., Inc. |
| PC/MS-Windows pack. | Kill Fish | 2021 | GOG sp. z o.o. |
| PC/MS-Windows pack. | Kimagure Temptation | 2021 | GOG sp. z o.o. |
| PC/MS-Windows pack. | Kimetsu no Yaiba: Demon Slayer - The Hinokami Chronicles Model 1490890 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | King Boo Model 1778210 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | King Bullseye - The Chess Strike Model 1600870 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | King Hajwala Model 1610020 | 2021 | Steam Valve Corp. |
| V.R. game | King Kong of Skull Island | 2021 | Raw Thrills Skokie, IL, USA |
| PC/MS-Windows pack. | King of Seas | 2021 | GOG sp. z o.o. |
| PC/MS-Windows pack. | King's Bounty II | 2021 | GOG sp. z o.o. |
| PC/MS-Windows pack. | King's Bounty II - Duke's Edition | 2021 | GOG sp. z o.o. |
| PC/MS-Windows pack. | King's Bounty II - Lord's Edition | 2021 | GOG sp. z o.o. |
| PC/MS-Windows pack. | King's Bounty II Model 1135300 | 2021 | Steam Valve Corp. |
| PC/MS-Windows pack. | Kingdom Two Crowns - Jarl Edition | 2021 | GOG sp. z o.o. |
| PC/MS-Windows pack. | Kingdom Two Crowns - Norse Lands Edition | 2021 | GOG sp. z o.o. |
| PC/MS-Windows pack. | Kingdom Wars 4 Model 1300700 | 2021 | Steam Valve Corp. |
