| Immortal Love: Black Lotus (2018) | 67,244 | 94 |
| Immortal Love: Blind Desire (2017) | 47,243 | 84 |
| Immortal Love: Kiss of the Night (2018) | 92,237 | 91 |
| Immortal Love: Letter from the Past (2015) | 98,577 | 122 |
| Immortal Love: Polar Lights (2023) | 851,132 | 172 |
| Immortal Love: Sparkle of Talent (2021) | 40,954 | 98 |
| Immortal Love: Stone Beauty (2020) | 74,714 | 112 |
| Immortal Love: The Price of a Miracle (2016) | 34,877 | 87 |
| Immortal Love: True Treasure (2022) | 54,118 | 101 |
| The Immortal Mayor (2021) | 801,323 | 270 |
| Immortal Planet (2017) | 404,851 | 343 |
| Immortal Realms: Vampire Wars (2019) | 2,659,290 | 1,054 |
| Immortal Redneck (2017) | 6,842,234 | 1,878 |
| Immortal Soul: Black Survival (2019) | 3,049,087 | 1,975 |
| Immortal Tactics: War of the Eternals (2022) | 257,107 | 37 |
| Immortal: Unchained (2018) | 8,604,086 | 4,149 |
| Immortality (2022) | 71,517,343 | 6,133 |
| Immortals Fenyx Rising (2020) | 166,424,097 | 99,438 |
| Immortals of Aveum (2023) | 19,741,273 | 18,894 |
| The Immortals of Terra: A Perry Rhodan Adventure (2008) | 150,494 | 131 |
| Immune Attack (2008) | 258 | 3 |
| IMMURE (2019) | 1,367,283 | 239 |
| Imo and the King (1995) | 41,536 | 19 |
| iMobsters (2009) | 4,692 | 4 |
| Imogen (1986) | 4,013,191 | 194 |
| Imp of the Sun (2022) | 768,129 | 523 |
| Impact Point (2022) | 18,042 | 64 |
| Impact Winter (2017) | 2,766,272 | 968 |
| Impaler (2022) | 395,462 | 273 |
| Impasto (2022) | 197,802 | 154 |
| Imperator: Rome (2019) | 64,797,610 | 20,915 |
| Imperatum (2018) | 21,306 | 24 |
| Imperia Online (2005) | 747,977 | 363 |
| Imperial Ambitions (2025) | 20,378 | 18 |
| Imperial Arms: Curse of the Conqueror (2022) | 109 | 2 |
| Imperial Glory (2005) | 785,460 | 529 |
| Imperial Grace (2025) | 7 | 1 |
| Imperial SaGa (2015) | 3,846,398 | 1,755 |
| Imperial SaGa Eclipse (2019) | 64,563 | 190 |
| Imperial Settlers: Imperial Miners (2024) | 0 | 1 |
| Imperial Storm (2024) | 5,956 | 3 |
| Imperialism (1997) | 32,405,642 | 431 |
| Imperialism II: Age of Exploration (1999) | 379,343 | 353 |
| Imperialism: Concert of Europe (2024) | 0 | 0 |
| Imperishable Memories (2018) | 317 | 10 |
| Imperishable Night (2004) | 95,427,335 | 8,837 |
| Imperium (1990) | 21,455,347 | 2,061 |
| Imperium (1992) | 288,404 | 343 |
| Imperium AO (2004) | 73,868 | 112 |
| Imperium Galactic War (2013) | 55,694 | 33 |
| Imperium Galactica (1997) | 566,422 | 451 |
| Imperium Galactica II: Alliances (1999) | 746,492 | 514 |
| Imperium Galactum (1984) | 2,484 | 4 |
| Imperium Romanum (2008) | 1,276,392 | 628 |
| Imperiums: Greek Wars (2020) | 1,067,242 | 827 |
| Imperivm: Great Battles of Rome (2005) | 2,037,704 | 831 |
| IMPETUM (2024) | 453 | 5 |
| Impire (2013) | 1,688,852 | 663 |
| Implements of Hell (2021) | 1,114,526 | 248 |
| Implosion (1987) | 15,420,749 | 429 |
| Implosion: Never Lose Hope (2015) | 4,613,960 | 1,522 |
| Import Tuner Challenge (2006) | 1,245,149 | 969 |
| Impossaball (1987) | 4,692 | 22 |
| Impossamole (1990) | 91,432 | 127 |
| Impossiball - Gamers Challenge (2019) | 28,198 | 7 |
| Impossible Creatures (2003) | 13,961,025 | 1,585 |
| The Impossible Dungeon (2012) | 153,514 | 50 |
| The Impossible Game (2009) | 210,327,105 | 4,092 |
| The Impossible Knight Runner (2022) | 42 | 1 |
| Impossible Maze (2020) | 159,808,766 | 109 |
| Impossible Mission (1984) | 6,881,918 | 479 |
| Impossible Mission (2007) | 162,434 | 44 |
| Impossible Mission 2025 (1994) | 33,701 | 43 |
| Impossible Mission II (1988) | 236,169 | 169 |
| Impossible Pixels (2021) | 73,014 | 16 |
