| Inescapable: No Rules, No Rescue - Demo | r109377 | 2026-04-21 |
| Inescapable: No Rules, No Rescue - Download Edition | r93189 | 2026-05-13 |
| Inescapable: No Rules, No Rescue - Download Edition | r113106 | 2026-04-21 |
| Inescapable: No Rules, No Rescue - Download Edition | r114369 | 2026-04-21 |
| Inescapable: No Rules, No Rescue - Download Edition | r93188 | 2026-04-21 |
| Inescapable: No Rules, No Rescue - EU Standard Edition | r114367 | 2026-05-19 |
| Inescapable: No Rules, No Rescue - EU Standard Edition | r114372 | 2026-04-21 |
| Inescapable: No Rules, No Rescue - EU Standard Edition | r114371 | 2026-04-21 |
| Inescapable: No Rules, No Rescue - NA Standard Edition | r114370 | 2026-04-21 |
| Inescapable: No Rules, No Rescue - NA Standard Edition | r93186 | 2026-04-21 |
| Inescapable: No Rules, No Rescue - NA Standard Edition | r93187 | 2026-04-21 |
| Inescapable: No Rules, No Rescue - Standard Edition | r114374 | 2026-04-21 |
| Inevitable | r94027 | 2026-05-07 |
| Inevitable Relations v0.1b | r53069 | 2026-05-16 |
| Inexplicable Geeks #RestoreTheMillerCut | r108339 | 2026-04-21 |
| Inexplicable Geeks: Dawn of Just Us | r56757 | 2026-04-21 |
| Infantaria - First Press Edition | r777 | 2026-05-06 |
| Infantaria - Regular Edition | r776 | 2026-05-19 |
| Infantaria XP - CD Edition | r779 | 2026-05-05 |
| Infantaria XP - DVD Edition | r778 | 2026-05-06 |
| Infantaria XP ダウンロード版 | r23271 | 2026-04-21 |
| Infatuation | r79948 | 2026-04-21 |
| Infatuation - Demo | r103858 | 2026-04-21 |
| Infatuation Inferno | r150742 | 2026-05-14 |
| Infatuation Simulation | r91599 | 2026-05-06 |
| Infected Infestation | r127748 | 2026-05-16 |
| Infected Love: The Fatal Experiment | r141368 | 2026-04-21 |
| Infected Love: The Fatal Experiment - Demo | r143711 | 2026-04-21 |
| Infectious Doctor | r120681 | 2026-04-21 |
| Inferior | r46960 | 2026-04-21 |
| Inferior Genes | r115006 | 2026-05-06 |
| Inferior Genes and Ponytails | r126324 | 2026-04-21 |
| Inferno | r120919 | 2026-04-21 |
| Inferno 真夜中の恐怖劇 | r37434 | 2026-04-21 |
| Inferno’s Embrace | r135011 | 2026-05-15 |
| Infested! A Marshmot Halloween, Part 1 | r138059 | 2026-04-21 |
| Infinimall: Dream Job! | r105449 | 2026-05-17 |
| Infinimall: Dream Job! | r105640 | 2026-04-21 |
| Infinite Blue | r85549 | 2026-05-06 |
| Infinite Blue: Scavenger Hunt - Demo | r90449 | 2026-04-21 |
| Infinite Game Works Demo | r18489 | 2026-04-21 |
| Infinite Game Works Episode 0 | r36828 | 2026-05-16 |
| Infinite Game Works Episode 1 - Early Access | r13771 | 2026-04-21 |
| Infinite Stars - 23rd Annual Halloween Heist | r113717 | 2026-04-21 |
| Infinite Stars v1.0426.0226 | r73936 | 2026-04-21 |
| Infinity | r5872 | 2026-05-11 |
| Infinity Crisis | r104851 | 2026-05-07 |
| Infinity Crisis - Demo | r115147 | 2026-04-21 |
| Infinity Plus | r2508 | 2026-05-10 |
| Infinity Plus | r626 | 2026-05-06 |