| Legaia Densetsu | JP | 1998 |
Sony Computer Entertainment | Demo |
| Liquid Books Adventure 5 - Pop-Out Prose | US | 1998 |
The Lightspan Partnership | Commercial |
| Liquid Books Adventure 6 - The Wandering Path | US | 1998 |
The Lightspan Partnership | Commercial |
| Lost Children - The City of Lost Children | JP | 1998-01 |
GameBank | Commercial |
| Lode Runner | US | 1998-03 |
Natsume | Commercial |
| Lost Sword - Ushinawareta Seiken | JP | 1998-03 |
Imageneer | Commercial |
| Lunar - Silver Star Story | AS | 1998-05 |
Working Designs | Commercial |
| Lunar - Silver Star Story | JP | 1998-05 |
Working Designs | Commercial |
| Lunar - Silver Star Story | JP | 1998-05 |
Working Designs | Demo |
| Lake Masters 2 - Bass Fishing in Japan | JP | 1998-07 |
DaZZ (Nexus Interact) | Commercial |
| Love Therapy | JP | 1998-07-09 |
B-Factory | Commercial |
| Luciferd | JP | 1998-08-27 |
TEN | Commercial |
| Legaia Densetsu | JP | 1998-10 |
Sony | Commercial |
| Legend of Legaia | US | 1998-10 |
Sony | Prototype |
| Lemmings & Oh No! More Lemmings | EU | 1998-10 |
Psygnosis | Demo |
| LiberoGrande | EU | 1998-10 |
Namco | Commercial |
| Lemmings & Oh No! More Lemmings | US | 1998-10-10 |
Psygnosis | Commercial |
| LSD - Dream Emulator | JP | 1998-10-22 |
Asmik Ace Entertainment | Commercial |
| L'Invasion Vient de l'Espace | FR | 1998-11 |
GT Interactive | Commercial |
| Lemmings & Oh No! More Lemmings | EU | 1998-11 |
Psygnosis | Commercial |
| LiberoGrande | EU | 1998-11 |
Namco | Demo |
| Lucky Luke | EU | 1998-11 |
Infogrames | Commercial |
| Lucky Luke | EU | 1998-11 |
Infogrames | Demo |
| Lucky Luke | JP | 1998-11 |
Sammy Entertainment | Commercial |
| Lucky Luke | US | 1998-11 |
Infogrames | Commercial |
| Lupin 3sei | JP | 1998-11 |
Daiki | Commercial |
| LiberoGrande | JP | 1998-11-26 |
Namco | Commercial |
| LiberoGrande | JP | 1998-11-26 |
Namco | Demo |
| Legend | EU | 1998-12-15 |
Funsoft | Commercial |
| Lunatic Dawn III | JP | 1998-12-17 |
Artdink | Commercial |
| Lord Monarch - Shin Gaia Oukokuki | JP | 1998-12-23 |
Toshiba EMI | Commercial |
| Lucifer Ring | JP | 1998-12-23 |
Toshiba EMI | Commercial |