| Invader (2002) | 789,785 | 111 |
| Invader (2014) | 77,503 | 7 |
| Invader TD (2022) | 163 | 3 |
| Invaders from Hyperspace! (1979) | 5,044 | 19 |
| Invaders from Space (1980) | 2,915 | 18 |
| Invaders Possibly from Space (2009) | 0 | 0 |
| Invaders Tower Defense Online (2024) | 3 | 1 |
| Invaders: Corruption (2010) | 7,399 | 7 |
| Invasher (2019) | 690 | 3 |
| Invasio Barbarorum (2005) | 97,942 | 162 |
| Invasion 2037 (2019) | 2,339,456 | 388 |
| Invasion Deutschland (2000) | 11,215 | 29 |
| Invasion Force (1979) | 18,032 | 22 |
| Invasion From Space (2022) | 636 | 6 |
| Invasion of the Body Snatchas! (1984) | 722 | 4 |
| Invasion of The Halloween Fiends (2024) | 1,819,870 | 70 |
| Invasion: Neo Earth (2022) | 288 | 4 |
| Invasion: Phoenix (2024) | 9 | 1 |
| Invector: Rhythm Galaxy (2023) | 385,899 | 190 |
| Inventioneers (2014) | 6,863,431 | 108 |
| Inventorix (2024) | 628 | 4 |
| Inventory Quest: Hero's Hoard (2024) | 438 | 2 |
| Inverse Evolver (2021) | 2,243 | 11 |
| Inversion (2012) | 34,159,406 | 4,292 |
| Inversion Institute (2022) | 0 | 0 |
| INVERSUS Deluxe (2016) | 108,126 | 41 |
| Inverted Angel (2024) | 380,341 | 493 |
| Invertigo (2025) | 1,898 | 16 |
| Invicta Beam (2017) | 13,892 | 9 |
| INVICTA: The Next Queen (2023) | 2,140 | 19 |
| Invictus (2000) | 5,923,476 | 1,659 |
| The Invincible (2022) | 624,402,147 | 21,809 |
| The InVincible Iron Ivy: Enter the Pretty, Pretty Princess (2023) | 1 | 1 |
| The Invincible Iron Man (2002) | 4,760,479 | 628 |
| Invincible Island (1983) | 1,090 | 5 |
| Invincible Presents: Atom Eve (2023) | 677,131 | 344 |
| Invincible Tiger: The Legend of Han Tao (2009) | 25,419 | 32 |
| Invinco (1979) | 6,844 | 16 |
| Invirium (2021) | 197 | 3 |
| Invisiballs (2018) | 2,426 | 8 |
| Invisible Apartment (2015) | 80,252 | 62 |
| Invisible Fist (2019) | 7,074 | 20 |
| INVISIBLE FLOW (2024) | 783 | 3 |
| The Invisible Hand (2021) | 3,219,305 | 316 |
| The Invisible Hours (2017) | 1,037,836 | 749 |
| Invisible Man VR In Eleanor's room (2022) | 2 | 1 |
| Invisible Wings (2021) | 38,971 | 50 |
| Invisible, Inc. (2015) | 11,803,124 | 5,129 |
| Invisigun Reloaded (2019) | 112,319 | 192 |
| Invizimals (2009) | 12,105,319 | 738 |
| Invizimals: Shadow Zone (2010) | 317,130 | 26 |
| Invizimals: The Alliance (2013) | 2,193,320 | 119 |
| Invizimals: The Lost Kingdom (2013) | 5,959,676 | 354 |
| Invizimals: The Lost Tribes (2011) | 13,827 | 19 |
| Invizimals: The Resistance (2014) | 1,743,938 | 58 |
| Inward (2023) | 28,964 | 156 |
| INXS: Make My Video (1992) | 207,306 | 12 |
| Io (2007) | 285,750,609 | 7,293 |
| Ion Assault (2009) | 280,386 | 104 |
| Ion Driver (2021) | 209,527 | 177 |
| Ion Fury (2018) | 18,551,489 | 7,282 |
| Ionball 2: Ionstorm (2014) | 12,904 | 37 |
| IonballEX (2011) | 635 | 1 |
| iota (2020) | 1,947,104 | 3 |
| IQ boost (2008) | 1,151,997 | 2,364 |
| IQ Panic (1992) | 546 | 6 |
| iQuarium (2009) | 6,926 | 11 |
| Ira (2021) | 52,158,277 | 2,862 |
| iRacing (2008) | 384,182,431 | 137,704 |
| Iragon (2024) | 1,546,993 | 141 |
| Iragon 18+ (2024) | 1,103 | 3 |
| Iratus: Lord of the Dead (2019) | 1,817,243 | 1,876 |
| Iratus: Lord of the Dead (2020) | 5,922,656 | 4,586 |
| The Irem Skins Game (1992) | 20,353 | 63 |
| Irides: Master of Blocks (2009) | 3,893 | 7 |
