| Garganta (2025) | 49 | 2 |
| Gargoyle's Quest (1990) | 1,696,340 | 1,865 |
| Gargoyle's Quest II (1992) | 819,064 | 865 |
| Gargoyles (1995) | 9,377,421 | 1,782 |
| Garland Boy (2025) | 69 | 1 |
| Garlic (2021) | 64,150,621 | 986 |
| Garou Densetsu Battle Archive 2 (2007) | 32,405 | 3 |
| Garouden Breakblow: Fist or Twist (2007) | 685,644 | 192 |
| Garrison: Archangel (2020) | 1,109,063 | 404 |
| Garry Kitchen's GameMaker (1985) | 12,841 | 36 |
| Garry's Mod (2004) | 54,979,719,975 | 658,307 |
| Garshasp: Temple of the Dragon (2012) | 299,333 | 69 |
| Garshasp: The Monster Slayer (2011) | 1,264,734 | 213 |
| Garten of Banban (2023) | 7,257,404,974 | 58,805 |
| Garten of Banban 0 (2025) | 53,719,396 | 1,799 |
| Garten of Banban 2 (2023) | 1,496,964,444 | 17,610 |
| Garten of Banban 3 (2023) | 2,175,960,403 | 22,062 |
| Garten of Banban 4 (2023) | 1,087,435,121 | 17,426 |
| Garten of Banban 5 (2023) | 67,308,263 | 2,531 |
| Garten of Banban 6 (2023) | 240,966,973 | 5,766 |
| Garten of Banban 7 (2024) | 233,600,514 | 5,096 |
| Garten of Banban 8 (2024) | 107,700,668 | 4,115 |
| Garters and Ghouls (2009) | 984 | 6 |
| Garuda Emblem (2026) | 42 | 1 |
| Gary Gadget: Building Cars (1997) | 397,846 | 32 |
| Gary Grigsby's Pacific War (1992) | 21,535 | 17 |
| Gary Grigsby's War Between the States (2008) | 2,510 | 2 |
| Gary Grigsby's War in Russia (1993) | 8,472 | 6 |
| Gary Grigsby's War in the West (2017) | 562,777 | 589 |
| Gary Grigsby's World at War (2005) | 26,080 | 110 |
| Gary Lineker's Superstar Soccer (1987) | 18,101 | 8 |
| Gas Guzzlers Extreme (2013) | 7,132,091 | 2,534 |
| Gas Guzzlers: Combat Carnage (2012) | 1,155,901 | 221 |
| Gas Station 2: Highway Service (2017) | 15,500,128 | 452 |
| Gas Station Simulator (2021) | 610,296,689 | 53,198 |
| Gas Station Story (2025) | 1,241 | 8 |
| Gascraft (2023) | 6,301 | 6 |
| Gasketball (2012) | 13,020 | 5 |
| Gaslighters (2025) | 0 | 0 |
| GasolineGypsiesGame (2022) | 26 | 1 |
| Gasosta (2014) | 2,719,976 | 25 |
| GASP (2016) | 696,550 | 169 |
| Gasparilla: Quest for the Key (2007) | 72 | 2 |
| Gastova: The Witches of Arkana (2022) | 33,311 | 69 |
| Gastro Force (2023) | 8,445 | 35 |
| GasZilla (2022) | 0 | 0 |
| Gatchaman: The Shooting (2002) | 20,171 | 57 |
| GATE (1991) | 953,958 | 131 |
| Gate Keepers (1999) | 2,790,027 | 975 |
| The Gate Must Stand (2026) | 74 | 1 |
| Gate of Doom (1990) | 394,156 | 293 |
| The gate of front: Monster Auction (2024) | 0 | 0 |
| Gate of Thunder (1992) | 367,446 | 490 |
| Gate to Site 8 (2021) | 4,929 | 19 |
| Gatecrasher (1984) | 33,641 | 81 |
| Gatedelvers (2023) | 47,347 | 25 |
| Gatekeeper: Eclipse (2023) | 189,020 | 195 |
| GatePass (2024) | 0 | 0 |
| Gates of Avalon (2018) | 0 | 0 |
| Gates of Horn and Ivory (2018) | 18 | 2 |
| Gates of Skeldal: 7 Mages (2016) | 393,716 | 118 |
| Gates Of The Mind (2024) | 24 | 2 |
| Gates of Zendocon (1989) | 123,282 | 105 |
| Gatestriders (2025) | 0 | 0 |
| Gatewalkers (2020) | 1,204,228 | 346 |
| Gateway (1992) | 9,484 | 33 |
| Gateway II: Homeworld (1993) | 12,281 | 61 |
| Gateway to Apshai (1983) | 74,528 | 61 |
| Gateway to the Savage Frontier (1991) | 93,183 | 342 |
| The Gateway Trilogy (2020) | 9,198 | 33 |
| Gateways (2012) | 232,843 | 155 |
| Gateworld (1993) | 20,269 | 55 |
| Gathering Sky (2015) | 45,139 | 50 |
| Gatlin' (2020) | 925,557 | 16 |
| Gatling Gears (2011) | 775,635 | 547 |
