| Game | Platform | Developer | Publisher (JP) | Publisher (NA) | Publisher (PAL) |
|---|---|---|---|---|---|
| QuoVadis 2: Wakusei Kyoushuu Ovan Rei | Sega Saturn | Glams | Glams | N/A | N/A |
| R.A.W.: Realms of Ancient War | Microsoft Windows, Microsoft Xbox 360, Sony PlayStation 3 | Wizarbox | N/A | Focus Entertainment | Focus Entertainment |
| Racing Lagoon | Sony PlayStation | Square Enix | Square Enix | N/A | N/A |
| Radiant Historia | Nintendo DS | Atlus, Headlock | Atlus | Atlus | N/A |
| Radiant Historia: Perfect Chronology | Nintendo 3DS | Atlus, Headlock | Atlus | Atlus | Deep Silver |
| Radiant Tale | Nintendo Switch | Design Factory, Otomate | Idea Factory | Aksys Games | Aksys Games |
| Radiant Tale: Fanfare! | Nintendo Switch | Design Factory, Otomate | Idea Factory | Aksys Games | Aksys Games |
| Radiata Stories | Sony PlayStation 2 | tri-Ace | Square Enix | Square Enix | N/A |
| Radical Dreamers – Le Trésor Interdit | Super Nintendo Entertainment System | Square Enix | Square Enix | N/A | N/A |
| Raging Loop | Android, Microsoft Windows, Nintendo Switch, Sony PS Vita, Sony PlayStation 4, iOS | Dwango, KEMCO | Dwango, KEMCO | PQube | PQube |
| Ragnarok DS | Nintendo DS | GungHo Online Entertainment | GungHo Online Entertainment | XSEED Games | N/A |
| Ragnarok Odyssey | Sony PS Vita | Game Arts | GungHo Online Entertainment | XSEED Games | XSEED Games |
| Ragnarok Odyssey Ace | Sony PS Vita, Sony PlayStation 3 | Game Arts | GungHo Online Entertainment | XSEED Games | XSEED Games |
| Ragnarok Online | Microsoft Windows | Gravity | N/A | Gravity | Gravity |
| Ragnarok Online 2: Legend of the Second | Microsoft Windows | Gravity, Team Mercury | N/A | Gravity | Gravity |
| Ragnarok Online 2: The Gate of the World | Microsoft Windows | Gravity, Team Mercury | Gravity | N/A | N/A |
| Ragnarok Tactics | Sony PSP | GungHo Online Entertainment | GungHo Online Entertainment | Aksys Games | N/A |
| Ragnarok Violet | Android, iOS | Gravity | N/A | Gravity | Gravity |
| Ragnarøkkr | NEC PC-98 | Glodia | Glodia | N/A | N/A |
| RaiderZ | Microsoft Windows | MAIET Entertainment | Perfect World Entertainment | Perfect World Entertainment | Perfect World Entertainment |
| Raidou Remastered: The Mystery of the Soulless Army | Microsoft Windows, Microsoft Xbox Series X|S, Nintendo Switch, Nintendo Switch 2, Sony PlayStation 4, Sony PlayStation 5 | Atlus | Atlus | Atlus | Atlus |
| Rainblood I: Town of Death | Microsoft Windows | Soulframe | N/A | Soulframe | Soulframe |
| Rainbow Moon | Nintendo Switch, Sony PS Vita, Sony PlayStation 3, Sony PlayStation 4 | SideQuest Studios | N/A | Eastasiasoft | Eastasiasoft |
| Rainbow Skies | Nintendo Switch, Sony PS Vita, Sony PlayStation 3, Sony PlayStation 4 | SideQuest Studios | N/A | Eastasiasoft | Eastasiasoft |
| Rakuen | Linux, Microsoft Windows, Nintendo Switch, macOS | Laura Shigihara | Laura Shigihara | Laura Shigihara | Laura Shigihara |
