| Insectoid Descent (2024) | 1,502 | 16 |
| Insector X (1989) | 519,249 | 512 |
| Insects in Space (1989) | 3,658 | 23 |
| Insectum - Epic Battles of Bugs (2024) | 2,287 | 18 |
| Inside (2016) | 689,995,663 | 70,764 |
| Inside a Star-filled Sky (2011) | 252,023 | 21 |
| Inside Her (bedroom) (2020) | 14,590 | 14 |
| Inside Jennifer (2022) | 121,959 | 51 |
| Inside My Radio (2015) | 387,144 | 374 |
| Inside Outing (1988) | 6,389 | 21 |
| Inside Pitch 2003 (2003) | 21,552 | 47 |
| Inside Soccer (2021) | 93,723 | 14 |
| Inside The Crystal Mountain (2024) | 178 | 5 |
| Inside the Labs (2024) | 198,965 | 165 |
| Inside the machine (2024) | 36,268 | 24 |
| Inside: Before Birth (2016) | 570,165 | 38 |
| Insider Tales: Vanished in Rome (2009) | 26,125 | 14 |
| Insider Trading (2025) | 8,618 | 6 |
| INSIDIA (2017) | 69,510 | 46 |
| Insights - Maniac Vortex (2021) | 413 | 9 |
| Insmouse no Yakata (1995) | 223,765 | 27 |
| Insomnia: The Ark (2018) | 2,459,998 | 1,407 |
| Insomnia: Theater in the Head (2022) | 499,808 | 148 |
| Insomnis (2022) | 5,664,016 | 2,003 |
| The Inspector (2025) | 35,819,116 | 1,435 |
| Inspector Detective: Private Eye (2022) | 727 | 1 |
| Inspector Gadget (1993) | 18,465,045 | 1,925 |
| Inspector Gadget and the Circus of Fear (1987) | 54,500 | 19 |
| Inspector Gadget Racing (2003) | 20,044 | 28 |
| Inspector Gadget: Advance Mission (2001) | 53,030 | 71 |
| Inspector Gadget: Gadget's Crazy Maze (2001) | 239,507 | 106 |
| Inspector Gadget: Mad Robots Invasion (2003) | 288,244 | 77 |
| Inspector Gadget: MAD Time Party (2023) | 319,715 | 304 |
| Inspector Gadget: Operation Madkactus (2000) | 15,861 | 40 |
| Inspector Parker (2003) | 32,171 | 68 |
| Inspector Schmidt - The Ebbing (2025) | 7,806 | 66 |
| Inspector Waffles (2021) | 143,317 | 536 |
| Inspector Waffles Early Days (2024) | 3,694 | 39 |
| Inspektor Zebok: Das Erbe (1994) | 0 | 0 |
| Instacalm VR (2019) | 694 | 1 |
| Instant Brain (2011) | 25,188 | 56 |
| Instant Chef Party (2020) | 35,257 | 27 |
| Instant Sports Paradise (2021) | 53,681 | 55 |
| Instant Sports Summer Games (2020) | 201,410 | 36 |
| Instant Sports Tennis (2021) | 1,628,016 | 50 |
| Instant Tennis (2018) | 15,094 | 17 |
| Instant War (2018) | 143,352 | 75 |
| Instinct (2007) | 3,634,040 | 122 |
| Instinction (2022) | 2,923,859 | 250 |
| The Institute (1981) | 10,538,219 | 1,552 |
| Instruments of Chaos starring Young Indiana Jones (1994) | 8,094,972 | 73 |
| Instruments of Destruction (2022) | 33,390,127 | 1,052 |
| The Instruments Of Faith: Padua's Destiny (2023) | 11,271 | 4 |
| Insulated at the bottom (2020) | 0 | 0 |
| Insurgence - Chains of Renegade (2018) | 3,939 | 55 |
| Insurgence - Second Assault (2020) | 2,930 | 12 |
| Insurgency (2014) | 48,439,141 | 13,221 |
| Insurgency: Modern Infantry Combat (2007) | 109,576 | 69 |
| Insurgency: Sandstorm (2018) | 267,152,190 | 81,298 |
| Insurmountable (2021) | 54,320,090 | 5,040 |
| Insurrection: Cyborgs Awakening (2022) | 404 | 7 |
| Integument (2023) | 382 | 5 |
| Intelligence: Anime girls (2018) | 437 | 1 |
| Intelligence: Cats (2018) | 10,471 | 2 |
| Intelligence: Dinosaurs (2018) | 306 | 2 |
| Intelligence: Dogs (2018) | 11 | 1 |
| Intellivision Lives! (1998) | 294,272 | 202 |
| Intellivision World Series Baseball (1983) | 7,000 | 9 |
| Intemporel (2020) | 1,919 | 12 |
| Intensity (1988) | 1,762,041 | 482 |
| Intensive Exposure (2016) | 6,790,076 | 194 |
| INTERASTRA (2021) | 100,421 | 71 |
| INTERASTRA: Planet Survival (2022) | 283 | 2 |
| Interceptor (1975) | 11,404,277 | 1,281 |
| Interference: Dead Air (2023) | 188,397 | 84 |
