Region | Title | System | Version | Edition | Languages | Serial | Status |
| Type da Puyo Puyo たいぷdaぷよぷよ | PC | | Yuu Yuu 1980yen | | MKY-038 | |
| The Tower of Troy トロイの塔 | PC | | Original | | MSDJ-00041 | |
| Toudou Ryuunosuke Tantei Nikki: Kohakuiro no Yuigon: Seiyou Carta Renzoku Satsujin Jiken 藤堂龍之介 探偵日記 琥珀色の遺言 西洋骨牌連続殺人事件 | PC | | PC Game Best Series | | | |
| Total Annihilation: Kingdoms 横扫千军之王国风云 | PC | | Original | | | |
| Tom Clancy's Ghost Recon: Island Thunder 幽灵行动:石破天惊 | PC | 1.4.0.0 | Original | | | |
| Tom Clancy's Ghost Recon: Desert Siege 幽灵行动:沙漠之鹰 | PC | 1.2.10.0 | Original | | | |
| Tom Clancy's Ghost Recon 幽灵行动 | PC | 1.0.0.2 | Original | | | |
| Tielu Daheng II 铁路大亨Ⅱ | PC | 1.0 | Original | | | |
| Tiejia Fengbao 铁甲风暴 | PC | 1.00 | Bundle Version Legend OEM | | | |
| Tianshi Zhi Gu: Wesper De Migong 天使之谷~威斯貝爾的迷宮~ | PC | 1.04 | Original | | | |
| Tianshi Zhi Gu 天使之谷 | PC | 1.03 | Original | | | |
| Tianshi Yinyuehui 天使音乐会 | PC | | Original | | | |
| Theocracy (Disc 2) 印加帝國 | PC | 1.0 | Original | | | |
| Theocracy (Disc 1) 印加帝國 | PC | 1.0 | Original | | | |
| Theme Park World テーマパークワールド | PC | 2.0 | EA Best Selections | | EMWB-7013, EMWD-720 | |
| Theme Aquarium テーマアクアリウム | PC | | Original, EA Best Selections | | EMW-4072, EMWB-7001 | |
| Tentama: 1st Sunny Side (Disc 2) 見習天使 | PC | 1.0.0.1 | Original, Shuishoufu Chun'ai Tedian | | CV020 | |
| Tentama: 1st Sunny Side (Disc 1) 見習天使 | PC | 1.0.0.1 | Original, Shuishoufu Chun'ai Tedian | | CV020 | |
| Tenka Touitsu: Soukoku no Hate 天下統一 相剋の果て | PC | 1.00a | Original, Value Pack | | 001J0336TA | |
| Tenka Touitsu: Ransei no Hasha 天下統一 乱世の覇者 | PC | 1.00 | Original, Meisaku Okaidoku Pack | | 001J0315TA | |
| Teitoku no Ketsudan III Power-Up Kit 提督の決断Ⅲ パワーアップキット | PC | 1.1 | Original, Teitoku no Ketsudan III with Power-Up Kit | | KN11-36105 | |
| Teitoku no Ketsudan III 提督の決断Ⅲ | PC | 1.0 | Original, Teitoku no Ketsudan III with Power-Up Kit, Genteiban Koei 2000-nen Campaign 3, Genteiban Koei Spring Campaign 3 | | KN11-14105 | |
| Teitoku no Ketsudan III 提督の決断Ⅲ | PC | 1.0 | Original, Value Set Series | | KN11-14104 | |
| Teitoku no Ketsudan III 提督の決断Ⅲ | PC-98 | | Original | | KN11-14103 | |
| Teikoku Kagekidan Denmaku Club: Sakura Taisen Dennou Accessory-shuu 帝国華撃団 電幕倶楽部 サクラ大戦 電脳アクセサリー集 | PC | 1.0.0.0 | Original, Tokubetsu Genteiban | | HCJ-0122, HCJ-0124 | |
| Tarmanian Tactics タルマニアン タクティクス | PC | 1.0 | Original, Game Fan 1980 | | GFB-19001, WR-20115 | |
| Tantei Monogatari 探偵物語 | PC | | Original | | CSTR 04002 | |
| Tamagotchi CD-ROM たまごっちCD-ROM | PC | | Original | | | |
| Tamagotchi CD-ROM たまごっちCD-ROM | PIPPIN | | Original | | | |
| Tamagotchi CD-ROM たまごっちCD-ROM | PC | | US Version | | BDE-50014 | |
| Taito Retro Arcade Pack タイトーレトロ アーケードパック | PC | | Original, with PC PAD | | WIC-5454, WIC-5468 | |
| Taige Lizhizhuan V 太閤立志傳Ⅴ | PC | 1.10 | Tecmo Koei the Best | | 10.10.01041 | |
| Taige Lizhizhuan II 太阁立志传Ⅱ | PC | 1.0 | Original | | | |