| Guns N' Runs (2021) | 76,674 | 111 |
| Guns of Boom (2017) | 64,792,578 | 14,211 |
| Guns of Fort Defiance (1981) | 733 | 3 |
| Guns of Glory: The Iron Mask (2017) | 1,055,351 | 662 |
| Guns of Icarus Online (2012) | 35,351,606 | 3,680 |
| Guns of Infinity (2016) | 36 | 2 |
| Guns Up! (2015) | 36,296,863 | 17,009 |
| Guns'n'Stories: Bulletproof VR (2018) | 288,353 | 245 |
| Guns, Gore & Cannoli (2015) | 24,269,049 | 8,102 |
| GunsBox VR (2022) | 727 | 3 |
| Gunscape (2016) | 313,966 | 249 |
| Gunship (1986) | 13,435,175 | 3,553 |
| Gunship 2000 (1991) | 261,811 | 176 |
| Gunship Recon (2019) | 2,052 | 2 |
| Gunslinger Express (2024) | 0 | 0 |
| Gunslinger Stratos (2012) | 3,074,678 | 3,477 |
| Gunslinger Stratos 2 (2013) | 1,999,712 | 521 |
| Gunslinger Stratos: Reloaded (2015) | 1,450,400 | 80 |
| Gunslugs (2013) | 709,661 | 200 |
| Gunsmith (2018) | 10,357,685 | 1,541 |
| Gunsmith Simulator (2023) | 1,825,679 | 1,025 |
| GunSoul Girl 2 (2023) | 19,466 | 28 |
| Gunsport (2020) | 231,666 | 66 |
| Gunstar Heroes (1993) | 9,404,133 | 5,183 |
| Gunstar Super Heroes (2005) | 1,050,596 | 588 |
| The Gunstringer (2011) | 7,258,523 | 312 |
| GunSuit Guardians (2023) | 38,126 | 149 |
| Guntastic (2019) | 63,769 | 28 |
| Gunvalkyrie (2002) | 465,750 | 430 |
| Gunvein (2022) | 58,083 | 164 |
| Gunvolt Chronicles: Luminous Avenger iX (2019) | 2,691,519 | 2,189 |
| Gunvolt Chronicles: Luminous Avenger iX 2 (2022) | 3,032,576 | 1,853 |
| GunWorld (2015) | 0 | 0 |
| GunWorld VR (2021) | 84,583 | 35 |
| GunZ: The Duel (2003) | 13,492,641 | 3,436 |
| Gurgamoth (2016) | 447,490 | 79 |
| The Gurion Mountains (2020) | 266 | 8 |
| Guroopia! (2019) | 32 | 1 |
| Guru Logi Champ (2001) | 12,568 | 39 |
| Guruguru Dungeon Nobunyaga (2015) | 11,950 | 2 |
| GuruGuru Garacters (1999) | 25 | 2 |
| Gurumin: A Monstrous Adventure (2004) | 640,840 | 853 |
