| 9901 | TS Marketplace: ÖBB Rnoos Wagon Pack Add-On | 448204 | DLC | — | Catalogue |
| 9902 | TT Isle Of Man 3 - Career Starter Pack | 2214700 | DLC | — | Catalogue |
| 9903 | TYPER GIRL 18+ DLC | 1991800 | DLC | — | Catalogue |
| 9904 | Table Ball - Amazing Extras Skin Pack | 2675180 | DLC | — | Catalogue |
| 9905 | Table Ball - Emotions Skin Pack | 2675190 | DLC | — | Catalogue |
| 9906 | Tabletopia - Wingspan: European Expansion | 1217910 | DLC | — | Catalogue |
| 9907 | Tabletopia - Wizard Kittens + Magical Monsters Expansion | 1352110 | DLC | — | Catalogue |
| 9908 | Taboo University Book One - Walkthrough DLC | 3202740 | DLC | — | Catalogue |
| 9909 | Tactical Assault VR - FBI Special Agent Pack | 4202680 | DLC | — | Catalogue |
| 9910 | Tactical Assault VR - Operation: Dahlia DLC | 3855050 | DLC | — | Catalogue |
| 9911 | Tactical Assault VR - Pacific Defense Force Pack | 3812850 | DLC | — | Catalogue |
| 9912 | Tactical Assault VR - Winter Cosmetics Pack | 4582870 | DLC | — | Catalogue |
| 9913 | Taiko no Tatsujin: Rhythm Festival - 2000s Pops Pack | 2885140 | DLC | — | Catalogue |
| 9914 | Taiko no Tatsujin: Rhythm Festival - 2020s Pops Pack | 3622750 | DLC | — | Catalogue |
| 9915 | Taiko no Tatsujin: Rhythm Festival - Classical Pack | 3837590 | DLC | — | Catalogue |
| 9916 | Taiko no Tatsujin: Rhythm Festival - Crayon Shin-chan Theme Songs Pack | 3222470 | DLC | — | Catalogue |
| 9917 | Taiko no Tatsujin: Rhythm Festival - DRAGON BALL Anime Songs Pack | 2885050 | DLC | — | Catalogue |
| 9918 | Taiko no Tatsujin: Rhythm Festival - KAGAMINE RIN, KAGAMINE LEN Pack | 3622740 | DLC | — | Catalogue |
| 9919 | Taiko no Tatsujin: Rhythm Festival - KAMEN RIDER Opening Theme Songs Pack | 3068510 | DLC | — | Catalogue |
| 9920 | Taiko no Tatsujin: Rhythm Festival - KASANE TETO Pack | 3416760 | DLC | — | Catalogue |
| 9921 | Taiko no Tatsujin: Rhythm Festival - KAWAII Pop Idol Pack | 3837580 | DLC | — | Catalogue |
| 9922 | Taiko no Tatsujin: Rhythm Festival - Namco Game Music Pack | 2926150 | DLC | — | Catalogue |
| 9923 | Taiko no Tatsujin: Rhythm Festival - ONE PIECE Anime Songs Pack | 2885070 | DLC | — | Catalogue |
| 9924 | Taiko no Tatsujin: Rhythm Festival - One Piece Anime 25th Anniversary Collab. Pack | 3068560 | DLC | — | Catalogue |
| 9925 | Taiko no Tatsujin: Rhythm Festival - SPY×FAMILY Pack | 3068520 | DLC | — | Catalogue |
| 9926 | Taiko no Tatsujin: Rhythm Festival - STUDIO GHIBLI Pack | 2885030 | DLC | — | Catalogue |
| 9927 | Taiko no Tatsujin: Rhythm Festival - Tamagotchi Collab Pack | 3891210 | DLC | — | Catalogue |
| 9928 | Taiko no Tatsujin: Rhythm Festival - Timeless Hits Pack | 3638760 | DLC | — | Catalogue |
| 9929 | Taiko no Tatsujin: Rhythm Festival - [Chiikawa Anime] Collab. Pack | 4267540 | DLC | — | Catalogue |
| 9930 | Tails Noir: Words DLC | 1649990 | DLC | — | Catalogue |
| 9931 | Tails of Iron - Crimson Knight DLC | 1677120 | DLC | — | Catalogue |
| 9932 | Tails of Iron 2: Whiskers of Winter - Augur of the Draugr Armour Pack | 3058540 | DLC | — | Catalogue |
| 9933 | Tails of Iron 2: Whiskers of Winter - Hair to the Throne Pack | 3119400 | DLC | — | Catalogue |
| 9934 | Tainted Grail: The Fall of Avalon - Challenge Mode DLC | 4639800 | DLC | — | Catalogue |
| 9935 | Tainted Grail: The Fall of Avalon - Merlin's Tomb DLC | 4514980 | DLC | — | Catalogue |
| 9936 | Tainted Grail: The Fall of Avalon - Sanctuary of Sarras DLC | 4132150 | DLC | 0 | Tracked |
| 9937 | Tainted Grail: The Fall of Avalon - Supporters Pack | 3687050 | DLC | — | Catalogue |
| 9938 | Talented - Supporter Pack | 3529280 | DLC | — | Catalogue |
| 9939 | Tales of ARISE - Beyond the Dawn Attachment Pack | 2474002 | DLC | — | Catalogue |
| 9940 | Tales of ARISE - Beyond the Dawn Expansion | 2391960 | DLC | — | Catalogue |
| 9941 | Tales of ARISE - Classic Characters Costume & Arranged BGM Pack | 2391961 | DLC | — | Catalogue |
| 9942 | Tales of ARISE - Collaboration Costume Pack | 1202062 | DLC | — | Catalogue |
| 9943 | Tales of ARISE - Elegant Costume Pack | 2474000 | DLC | — | Catalogue |
| 9944 | Tales of ARISE - Growth Boost Pack | 1202052 | DLC | — | Catalogue |
| 9945 | Tales of ARISE - Hootle Attachment Pack | 1202060 | DLC | — | Catalogue |
| 9946 | Tales of ARISE - Pre-Order Bonus Pack | 1109050 | DLC | — | Catalogue |
| 9947 | Tales of ARISE - Premium Costume Pack | 1202031 | DLC | — | Catalogue |
| 9948 | Tales of ARISE - Premium Item Pack | 1202030 | DLC | — | Catalogue |
| 9949 | Tales of ARISE - Premium Travel Pack | 1202053 | DLC | — | Catalogue |
| 9950 | Tales of ARISE - Premium Upgrade Pack | 4284710 | DLC | — | Catalogue |
| 9951 | Tales of ARISE - Relief Support Pack | 1202051 | DLC | — | Catalogue |
| 9952 | Tales of ARISE - SAO Collaboration Pack | 1202061 | DLC | — | Catalogue |
| 9953 | Tales of ARISE - Starter Pack | 1202050 | DLC | — | Catalogue |
| 9954 | Tales of ARISE - Tales of Series Battle BGM Pack | 1202055 | DLC | — | Catalogue |
| 9955 | Tales of Berseria Remastered - Deluxe Upgrade Pack | 3177880 | DLC | — | Catalogue |
| 9956 | Tales of Berseria™ - Adventure Items Super Pack | 525430 | DLC | — | Catalogue |
| 9957 | Tales of Berseria™ - Summer Holiday Costume Pack | 528050 | DLC | — | Catalogue |
| 9958 | Tales of Graces f Remastered - Deluxe Upgrade Pack | 3036400 | DLC | — | Catalogue |
| 9959 | Tales of Legendary Lust: Aphrodisia - Lewds Library & Bonus Art Pack | 4003530 | DLC | — | Catalogue |
| 9960 | Tales of Lyfael - Supporter pack | 3648790 | DLC | — | Catalogue |
| 9961 | Tales of Xillia Remastered - Deluxe Upgrade Pack | 3106450 | DLC | — | Catalogue |
| 9962 | Talisman - The Ancient Beasts Expansion | 1059290 | DLC | — | Catalogue |
| 9963 | Talisman - The Blood Moon Expansion | 267788 | DLC | — | Catalogue |
| 9964 | Talisman - The Blood Moon Expansion: Legendary Deck | 1690083 | DLC | — | Catalogue |
| 9965 | Talisman - The Cataclysm Expansion | 929550 | DLC | — | Catalogue |
| 9966 | Talisman - The City Expansion | 267784 | DLC | — | Catalogue |
| 9967 | Talisman - The City Expansion: Legendary Deck | 1690082 | DLC | — | Catalogue |
| 9968 | Talisman - The Clockwork Kingdom Expansion | 1059291 | DLC | — | Catalogue |
| 9969 | Talisman - The Dragon Expansion | 267789 | DLC | — | Catalogue |
| 9970 | Talisman - The Dungeon Expansion | 267775 | DLC | — | Catalogue |
| 9971 | Talisman - The Dungeon Expansion: Legendary Deck | 1248182 | DLC | — | Catalogue |
| 9972 | Talisman - The Firelands Expansion | 525520 | DLC | — | Catalogue |
| 9973 | Talisman - The Frostmarch Expansion | 267772 | DLC | — | Catalogue |
| 9974 | Talisman - The Frostmarch Expansion: Legendary Deck | 1690080 | DLC | — | Catalogue |
| 9975 | Talisman - The Harbinger Expansion | 707670 | DLC | — | Catalogue |
| 9976 | Talisman - The Highland Expansion | 267780 | DLC | — | Catalogue |
| 9977 | Talisman - The Highland Expansion: Legendary Deck | 1248183 | DLC | — | Catalogue |
| 9978 | Talisman - The Nether Realm Expansion | 267787 | DLC | — | Catalogue |
| 9979 | Talisman - The Realm of Souls Expansion | 1003200 | DLC | — | Catalogue |
| 9980 | Talisman - The Reaper Expansion | 258810 | DLC | — | Catalogue |
| 9981 | Talisman - The Reaper Expansion: Legendary Deck | 1248181 | DLC | — | Catalogue |
| 9982 | Talisman - The Sacred Pool Expansion | 267781 | DLC | — | Catalogue |
| 9983 | Talisman - The Sacred Pool Expansion: Legendary Deck | 1690081 | DLC | — | Catalogue |
| 9984 | Talisman - The Woodland Expansion | 773600 | DLC | — | Catalogue |
| 9985 | Talisman: The Horus Heresy - Season Pass | 487560 | DLC | — | Catalogue |
| 9986 | Tank Mechanic Simulator - Cromwell Mk.IV DLC | 4185020 | DLC | — | Catalogue |
| 9987 | Tank Mechanic Simulator - First Supply DLC | 1485420 | DLC | — | Catalogue |
| 9988 | Tank Mechanic Simulator - Shermans DLC | 1065400 | DLC | — | Catalogue |
| 9989 | Tanto Cuore - Promo Cards Pack | 1822920 | DLC | — | Catalogue |
| 9990 | Tap Adventure: Time Travel - Beginner's Pack | 620382 | DLC | — | Catalogue |
| 9991 | Tap Adventure: Time Travel - Promo Pack | 608730 | DLC | — | Catalogue |
| 9992 | Tap Adventure: Time Travel - Traveler's Pack | 620381 | DLC | — | Catalogue |
| 9993 | Tap Ninja - Daimyo Supporter Pack | 1939242 | DLC | — | Catalogue |
| 9994 | Tap Ninja - Elite Supporter Pack | 1939241 | DLC | — | Catalogue |
| 9995 | Tap Ninja - Shogun Supporter Pack | 2018950 | DLC | — | Catalogue |
| 9996 | Tap Ninja - Supporter Pack | 1939240 | DLC | — | Catalogue |
| 9997 | TapSonic World Champion VR: DLC - TWC Collection v1 | 883800 | DLC | — | Catalogue |
| 9998 | Tarot Spell - Aura Farming Pack | 4820110 | DLC | — | Catalogue |
| 9999 | Tattoo Tycoon - Animal Ink Society Style Pack | 3815930 | DLC | — | Catalogue |
| 10000 | Tattoo Tycoon - Chinatown: Dragon Studio Style Pack | 3815940 | DLC | — | Catalogue |
![Taiko no Tatsujin: Rhythm Festival - [Chiikawa Anime] Collab. Pack Steam header image](https://cdn.cloudflare.steamstatic.com/steam/apps/4267540/header.jpg)
