Region | Title | System | Version | Edition | Languages | Serial | Status |
| Racing Simulation 2: Monaco Grand Prix On-Line | DC | 1.002 | Original | | T-45006D-50 | |
| Racing Simulation: Monaco Grand Prix | DC | 1.216 | Original | | T-17701D-50 | |
| Railroad Tycoon II | DC | 1.002 | Original | | T-40505D-50 | |
| Rayman 2: The Great Escape | DC | 0.000 | Sample | | 950-0037-50 | |
| Rayman 2: The Great Escape | DC | 1.002 | Original | | T-17707D-50 | |
| Re-Volt | DC | 1.000 | Demo | | | |
| Re-Volt | DC | 1.001 | Original | | T-8107D-50 | |
| Ready 2 Rumble Boxing | DC | 1.000 | Original | | T-9704D-50 | |
| Ready 2 Rumble Boxing: Round 2 | DC | 1.001 | Sample (Beta) | | 952-0099-50 | |
| Ready 2 Rumble Boxing: Round 2 | DC | 1.001 | Original | | T-9711D-50 | |
| Record of Lodoss War | DC | 1.001 | Original | | T-7012D-05 | |
| Red Dog: Superior Firepower | DC | 1.520 | Original, Sample | | 952-0032-50, MK-51021-50 | |
| Redux: Dark Matters 戻コてきた:のダークマター | DC | 1.000 | Original, Limited Edition | | RDXLE-JP, RDXRE-JP | |
| Resident Evil 2 (Disc 1) | DC | 1.000 | Original | | T-7004D-61, T-7004D-82 | |
| Resident Evil 2 (Disc 2) | DC | 1.000 | Original | | T-7004D-61, T-7004D-82 | |
| Resident Evil 3: Nemesis | DC | 1.000 | Original | | T-7021D-05, T-7021D-56 | |
| Resident Evil 3: Nemesis | DC | 1.000 | Original | | T-7021D-72 | |
| Resident Evil: Code: Veronica | DC | 1.000 | Demo | | D-0007-50 | |
| Resident Evil: Code: Veronica (Disc 1) | DC | 1.000 | Original | | T-36806D-05 | |
| Resident Evil: Code: Veronica (Disc 2) | DC | 1.000 | Original | | T-36806D-05 | |
| Rez | DC | 1.003 | Original | | MK-51192-50 | |
| Roadsters | DC | 1.010 | Original | | T-22901D-50 | |
| Rush 2049 | DC | 1.000 | Sample | | 952-0080-50 | |
| Rush Rush Rally Racing | DC | 1.000 | Original, Deluxe Edition, Deluxe Edition (alt cover) | | RRRR-DX, RRRR-RE | |
| Rush Rush Rally Reloaded | DC | | Special Edition, Unlicensed | | WG-21021-EU | |
| Record of Lodoss War | DC | 1.000 | Original | | T-7012D-09 | |
| Resident Evil: Code: Veronica (Disc 1) | DC | 1.000 | Original | | T-36806D-09 | |
| Resident Evil: Code: Veronica (Disc 2) | DC | 1.000 | Original, Sample | | 950-0064-09, T-36806D-09 | |
| Record of Lodoss War | DC | 1.000 | Original | | T-7012D-18 | |
| Resident Evil 3: Nemesis | DC | 1.000 | Original | | T-7021D-18 | |
| Resident Evil: Code: Veronica (Disc 1) | DC | 1.000 | Original | | T-36806D-18 | |
| Resident Evil: Code: Veronica (Disc 2) | DC | 1.000 | Original | | T-36806D-18 | |
| R7: Regulation #7 | DC | 1.001 | Bundled with R7 Dreamcast | | 610-7726, T-42001M | |
| Radirgy ラジルギ | DC | 1.002 | Original | | T-47802M | |
| Rainbow Cotton レインボーコットン | DC | 1.009 | Original | | T-9901M | |
| Rayman: Kaizokusen kara no Dasshutsu! レイマン 海賊船からの脱出! | DC | 1.009 | Original | | T-17703M | |
| Re-Volt リボルト | DC | 1.003 | Original | | T-8101M | |
| Ready 2 Rumble Boxing: Uchikome Warai no Megaton Punch!! レディ・トゥ・ランブル・ボクシング ~打ち込め笑いのメガトンパンチ!!~ | DC | 1.001 | Original | | HDR-0051 | |
| Real Sound: Kaze no Regret (Disc 1) リアルサウンド ~風のリグレット~ | DC | 1.006 | Shokai Genteiban | | T-30001M | |
| Real Sound: Kaze no Regret (Disc 1) リアルサウンド ~風のリグレット~ | DC | 1.007 | Shokai Genteiban | | T-30001M | |
| Real Sound: Kaze no Regret (Disc 2) リアルサウンド ~風のリグレット~ | DC | 1.005 | Shokai Genteiban | | T-30001M | |
| Real Sound: Kaze no Regret (Disc 2) リアルサウンド ~風のリグレット~ | DC | 1.007 | Shokai Genteiban | | T-30001M | |
| Record of Lodoss War: The Advent of Cardice ロードス島戦記 邪神降臨 | DC | 1.000 | Taikenban | | 610-7816 | |
| Record of Lodoss War: The Advent of Cardice ロードス島戦記 邪神降臨 | DC | 1.001 | Original | | T-27903M | |
| Record of Lodoss War: The Advent of Cardice ロードス島戦記 邪神降臨 | DC | 2.002 | Original | | T-27903M | |
| Redline Racer レッドラインレーサー | DC | 1.001 | Original | | T-15002M | |
| Remember 11: The Age of Infinity: Promotion Disc リメンバーイレブン The Age of Infinity: Promotion Disc | DC | 1.000 | DC Game Bundle | | T-19723M | |
| Ren'ai Chu! Happy Perfect 恋愛CHU! ハッピーパーフェクト | DC | 1.004 | Original | | T-47602M | |
| Rent a Hero No. 1 レンタヒーローNo.1 | DC | 1.009 | Original | | HDR-0074 | |
| Revive...: Sosei リバイヴ… ~蘇生~ | DC | 1.001 | Original | | T-1301M | |
| Rez レズ | DC | 1.003 | Original | | HDR-0178 | |
| The Rhapsody of Zephyr 西風の狂詩曲 | DC | 1.003 | Original | | T-44502M | |
| The Ring リング | DC | 1.004 | Original | | T-27902M | |
| Roommania #203 ルーマニア#203 | DC | 1.007 | Original | | HDR-0044 | |
| Roommate Asami: Okusama wa Joshikousei: Director's Edition ルームメイト・麻美 -おくさまは女子高生- Director's Edition | DC | 1.001 | Original | | T-19508M | |
| Roommate Novel: Satou Yuka ルームメイトノベル ~佐藤由香~ | DC | 1.002 | Original | | T-19502M | |
| Run=Dim as Black Soul ランディム アズ ブラックソウル | DC | 1.001 | Shokai Genteiban | | T-46202M | |
| Rune Caster ルーンキャスター | DC | 1.007 | Original | | T-40001M | |
| Rune Jade ルーンジェイド | DC | 1.027 | Original | | T-14304M | |
| Resident Evil: Code: Veronica (Disc 1) | DC | 1.000 | Original | | T-36806D-06 | |
| Resident Evil: Code: Veronica (Disc 2) | DC | 1.000 | Original | | T-36806D-06 | |
| Railroad Tycoon II | DC | 1.004 | Original | | T-41902N | |
| Rayman 2: The Great Escape | DC | 1.003 | Original | | T-17704N | |
| Razor Freestyle Scooter | DC | 1.000 | Original | | T-40219N | |
| Re-Volt | DC | 1.010 | Original | | T-8109N | |
| Ready 2 Rumble Boxing | DC | 1.000 | Rerelease | | T-9704N | |
| Ready 2 Rumble Boxing | DC | 1.000 | Demo | | | |
| Ready 2 Rumble Boxing | DC | 1.000 | Original, Sega All Stars | | T-9704N | |
| Ready 2 Rumble Boxing: Round 2 | DC | 1.001 | Original | | T-9717N | |
| Record of Lodoss War | DC | 1.001 | Original | | T-40218N | |
| Red Dog: Superior Firepower | DC | 1.002 | Original | | T-40215N | |
| Reel Fishing | Wild | DC | 1.001 | Original | | T-44303N | |
| Resident Evil 2 (Disc 1) | DC | 1.001 | Original | | T-1205N | |
| Resident Evil 2 (Disc 2) | DC | 1.001 | Original | | T-1205N | |
| Resident Evil 3: Nemesis | DC | 1.000 | Original | | T-1220N | |
| Resident Evil: Code: Veronica (Disc 1) | DC | 1.000 | Original | | T-1204N | |
| Resident Evil: Code: Veronica (Disc 2) | DC | 1.000 | Original | | T-1204N | |
| The Ring: Terror's Realm | DC | 1.002 | Original | | T-15122N | |
| Rippin' Riders | DC | 1.001 | Original | | 51010 | |
| Roadsters | DC | 1.007 | Original | | T-22901N | |
| Rush Rush Rally Reloaded | DC | 1.000 | Unlicensed | | | |
| Ready 2 Rumble Boxing | DC | 1.000 | Original | | T-9704D-05 | |
| Rush Rush Rally Reloaded | DC | 2.000 | Sample | | | |