| I Am A Teacher: Super Mario no Sweater (1986) | 2,486,022 | 25 |
| I Am a Teacher: Teami no Kiso (1986) | 0 | 0 |
| I Am Alive (2012) | 53,526,551 | 9,737 |
| I am an Air Traffic Controller 4 (2015) | 1,771,492 | 756 |
| I am Ball (2019) | 10,564 | 19 |
| I Am Bread (2015) | 551,911,702 | 11,377 |
| I AM BUTTER VR (2022) | 29,599 | 5 |
| I Am Dead (2020) | 4,220,178 | 1,128 |
| I Am Fish (2021) | 747,609,750 | 9,180 |
| I Am Future: Cozy Apocalypse Survival (2023) | 291,280 | 335 |
| I am Jesus (2007) | 562,996 | 27 |
| I Am Jesus Christ (2022) | 23,658,450 | 709 |
| I AM KILT (2024) | 0 | 0 |
| I am Not a Monster (2018) | 642,456 | 108 |
| I am not legend (2022) | 1,074 | 3 |
| I Am Playr (2011) | 856,377 | 17 |
| I Am Sakuya: Touhou FPS Game (2022) | 22,848 | 143 |
| I Am Setsuna (2016) | 12,476,588 | 11,452 |
| I am The Exorcist (2023) | 668 | 4 |
| I Am The Hero (2017) | 3,592,332 | 612 |
| I Am Your President: Prologue (2020) | 503,600 | 257 |
| I and Me (2016) | 128,690 | 156 |
| I and Me (2017) | 44,554 | 64 |
| I Can't Escape: Darkness (2015) | 33,534 | 87 |
| I deserve a happy ending (2022) | 131 | 3 |
| I Did Not Buy This Ticket (2023) | 335,474 | 160 |
| I Dig It (2009) | 76,597 | 43 |
| I dream of you and ice cream (2020) | 607,926 | 32 |
| I Expect You To Die (2017) | 110,316,388 | 3,613 |
| I Expect You To Die 2 (2021) | 10,217,891 | 1,250 |
| I Fought the Lawn (2022) | 27 | 2 |
| I Get This Call Every Day (2012) | 5,074,138 | 33 |
| I got a cat maid (2019) | 0 | 0 |
| I Got Trapped in the Succubus's Dream! (2024) | 0 | 0 |
| I Have No Mouth, and I Must Scream (1995) | 22,061,518 | 2,154 |
| I heart Geeks! (2011) | 21,220 | 69 |
| I hope she's ok (2020) | 21,453 | 23 |
| I HUMAN MACHINE (2022) | 308 | 4 |
| I Just Want to be Single!! (2023) | 954,362 | 54 |
| I Love Horses (2009) | 365,126 | 29 |
| I Love Katamari (2008) | 64,781 | 71 |
| I Love Softball (1989) | 442,741 | 35 |
| I Love You! (2000) | 249,638,785 | 10,857 |
| I Love You, Colonel Sanders! (2019) | 7,075,969 | 2,183 |
| I Love You, Colonel Sanders! A Finger Lickin’ Good Dating Simulator (2019) | 65,877,513 | 629 |
| I Made a Game with Zombies in It! (2009) | 518,945 | 90 |
| I Made Myself An AI (2023) | 27 | 2 |
| I Must Run (2010) | 42,276 | 39 |
| I NEED SPACE (2024) | 53,253 | 72 |
| I of the Dragon (2002) | 486,116 | 802 |
| I Play: 3-D Soccer (1991) | 13,294 | 17 |
| I Play: 3D Tennis (1992) | 467 | 6 |
| I Saw Black Clouds (2021) | 2,073,025 | 1,259 |
| I See Red (2022) | 9,572,021 | 163 |
| I Spy Challenger! (2002) | 73,602 | 68 |
| I Spy Fun House (2007) | 94,135 | 72 |
| I Spy Spooky Mansion (1999) | 2,744,535 | 304 |
| I Spy Spooky Mansion Deluxe (2005) | 295,689 | 97 |
| I Spy Universe (2010) | 29,842 | 19 |
| I Walk Among Zombies Vol. 3 (2020) | 9,294 | 34 |
| I Wanna Be the Boshy (2010) | 31,591,064 | 3,700 |
| I Wanna Be the Guy (2007) | 357,824,299 | 57,262 |
| I Wanna Be the Guy: Gaiden (2012) | 18,720,730 | 450 |
| I Wanna Find My Destiny (2014) | 788,701 | 196 |
| I Wanna Maker (2020) | 911,916 | 764 |
| I Wanna Save the Kids (2007) | 4,102 | 5 |
| I Want My Mommy (1983) | 57,311 | 36 |
| I was an Atomic Mutant! (2003) | 46,432 | 11 |
| I was here (2017) | 362,803 | 79 |
| I was rebuilt (2018) | 430 | 5 |
| I WILL BE THERE (2023) | 1,387,736 | 341 |
| I Will Be Your Eyes (2019) | 0 | 1 |
| I wish I were the Moon (2008) | 2,452,351 | 31 |
| I'm Not Alone (2010) | 1,103,116 | 168 |
| I'm Oh, So Busy...: A Week with Yoshimi (2020) | 420 | 3 |
