TI-99 Rarity List
EC = Extremly Common
C = Common
U = Uncommon
R = Rare
VR = Very Rare
ER = Extremly Rare
This list was created by: Bryan Roppolo
| Rarity | Title | Product # | Manufacturer | Released |
| ER | 4A Flyer | TRI-BDAF | Triton | 1Q/1986 |
| ER | 99 Home Sentry | ???????? | CorComp | ???????? |
| C | A-MAZE-ING | PHM 3030 | TI | 1Q/1981 |
| ER | Accounting Assistant | SF 30429 | Scott Foresman | 4Q/1981 |
| ER | Activity Assistant | SF 30428 | Scott Foresman | 4Q/1981 |
| U | Addition | PHM 3090 | Milliken | 4Q/1982 |
| ER | Addition & Subtraction 1 | SF 30201 | Scott Foresman | 2Q/1981 |
| U | Addition & Subtraction 1 | PHM 3027 | Scott Foresman | 2Q/1981 |
| ER | Addition & Subtraction 2 | SF 30204 | Scott Foresman | 2Q/1981 |
| U | Addition & Subtraction 2 | PHM 3028 | Scott Foresman | 2Q/1981 |
| ER | Addition & Subtraction 3 | SF 30226 | Scott Foresman | 1Q/1984 |
| EC | Adventure | PHM 3041 | Scott Adams | 4Q/1981 |
| U | Alien Addition | PHM 3115 | DLM Arcademics | 1Q/1983 |
| C | Alligator Mix | PHM 3114 | DLM Arcademics | 1Q/1983 |
| EC | Alpiner | PHM 3056 | TI | 4Q/1982 |
| ER | Ambulance | FW 1005 | Funware | 2Q/1983 |
| ER | Ant Eater | ROM02025 | Romox | 3Q/1983 |
| ER | Arcturus | STA 103 | Exceltec | 1Q/1985 |
| ER | Attendance Recorder | SF 30420 | Scott Foresman | 4Q/1981 |
| ER | Automatic Telephone Tone Dialer | ????????? | Alpha2 Computer | 4Q/1983 |
| ER | Barrage | TRI-BAAX | Sofmachine | 3Q/1987 |
| EC | Beginning Grammar | PHM 3003 | TI | 2Q/1979 |
| ER | Beyond Parsec | TRI-BDAP | John Phillips | 3Q/1988 |
| ER | Beyond Space | ?????????? | Exceltec | 1Q/1985 |
| ER | Beyond Wordwriter | TRI-2017 | DaTaBioTics | ???????? |
| VR | Bigfoot (MBX) | PHM 3151 | Milton Bradley | 4Q/1983 |
| ER | Blackhole | TRI-BABD | DaTaBioTics | 3Q/1987 |
| C | Blackjack & Poker | PHM 3033 | Milton Bradley | 1Q/1981 |
| C | Blasto | PHM 3032 | Milton Bradley | 1Q/1981 |
| ER | Boxer | ?????????? | Exceltec | 1Q/1985 |
| ER | Boxer | TRI-2007 | DaTaBioTics | 3Q/1989 |
| ER | Breakthrough | TRI-2006 | DaTaBioTics | 3Q/1989 |
| ER | Buck Rogers: Planet of Zoom | PHM 3236 | Sega | 3Q/1983 |
| ER | Burger Builder | TRI-BAAY | Software Specialties | 3Q/1987 |
| C | Burgertime | PHM 3233 | Data East | 1Q/1984 |
| ER | Cannonball Blitz | ROM06062 | Sierra On-Line | 1Q/1984 |
| EC | Car Wars | PHM 3054 | TI | 4Q/1981 |
| ER | Cave Creatures | ROM08185 | Funware/Romox | 2Q/1983 |
| ER | Centipede | RX8503 | Atarisoft | 4Q/1983 |
| ER | CEX-121 | ???????? | Ultracomp | 4Q/1983 |
| R | Championship Baseball (MBX) | PHM 3148 | Milton Bradley | 4Q/1983 |
| ER | Character Crayons | ROM07025 | Romox | 1Q/1984 |
| ER | Chicken Coop | TRI-BAAH | Navarone | 1Q/1986 |
| EC | Chisolm Trail | PHM 3110 | TI | 3Q/1982 |
| ER | Class Data Recorder | SF 30421 | Scott Foresman | 4Q/1981 |
| ER | Computer Math Games I | PHM 3084 | Addison-Wesley | 2Q/1983 |
| VR | Computer Math Games II | PHM 3083 | Addison-Wesley | 3Q/1982 |
| ER | Computer Math Games III | PHM 3085 | Addison-Wesley | 2Q/1983 |
| ER | Computer Math Games IV | PHM 3086 | Addison-Wesley | 2Q/1983 |
| R | Computer Math Games VI | PHM 3088 | Addison-Wesley | 3Q/1982 |
| ER | Computer War | TRI-BAAK | MicroPal | 3Q/1986 |
| ER | Congo Bongo | PHM 3227 | Sega | 3Q/1983 |
| ER | Connect Four (Gamevision Version) | MB 4965 | Milton Bradley | 3Q/1979 |
| U | Connect Four | PHM 3038 | Milton Bradley | 2Q/1980 |
| ER | Console Calc | TRI-BJBS | DaTaBioTics | 2Q/1987 |
| ER | Console Calc+ | TRI-BJBT | DaTaBioTics | 2Q/1987 |
| ER | Console Writer | TRI-BBCA | Navarone Industries | 4Q/1984 |
| ER | Course Manager | SF 30448 | Scott Foresman | 4Q/1981 |
| ER | D Station | M9-242C | IUG | 4Q/1983 |
| ER | D Station | ????????? | Exceltec | 1Q/1985 |
| ER | D Station | TRI-BDAS | Triton | 3Q/1988 |
| ER | D Station 2 | ????????? | Exceltec | 1Q/1985 |
| ER | D Station 2 | TRI-BDAT | Triton | 3Q/1988 |
| VR | Data Base Management System | ????????? | Navarone Industries | 4Q/1984 |
| R | Decimals | PHM 3096 | Milliken | 4Q/1982 |
| ER | Decimals 1 | SF 30229 | Scott Foresman | 2Q/1983 |
| ER | Decimals 2 | SF 30244 | Scott Foresman | 2Q/1983 |
| U | Defender | RX8506 | Atarisoft | 4Q/1983 |
| R | Demolition Division | PHM 3116 | DLM Arcademics | 1Q/1983 |
| VR | Demonstration | PHM 3001 | TI | 2Q/1979 |
| ER | Desk Top Publisher | TRI-BAAR | DaTaBioTics | 3Q/1987 |
| VR | Diagnostic | PHM 3000 | TI | 2Q/1979 |
| VR | Dig-Dug | RX8509 | Atarisoft | 4Q/1983 |
| ER | Disk Access Cartridge | ??????? | Tex Micro | 3Q/1984 |
| VR | Disk Fixer (V2.0) | AS-02 | Navarone Industries | 2Q/1982 |
| R | Disk Manager | PHM 3019 | TI | 1Q/1980 |
| EC | Disk Manager 2 | PHM 3089 | TI | 4Q/1982 |
| R | Division | PHM 3093 | Milliken | 4Q/1982 |
| ER | Division 1 | SF 30210 | Scott Foresman | 2Q/1982 |
| R | Division 1 | PHM 3049 | Scott Foresman | 2Q/1982 |
| U | Donkey Kong | RX8512 | Atarisoft | 4Q/1983 |
| U | Dragon Mix | PHM 3117 | DLM Arcademics | 1Q/1983 |
| ER | Dragon Flyer | TRI-BAAW | Sofmachine | 2Q/1988 |
| ER | Driving Demon | FW 1008 | Funware | 2Q/1983 |
| ER | Dunjeonlord | ???????? | Futuresoft | 3Q/1983 |
| EC | Early Learning Fun | PHM 3002 | TI | 2Q/1979 |
| VR | Early Logo Learning Fun | PHM 3144 | TI | 3Q/1983 |
| ER | Early Reading | SF 30112 | Scott Foresman | 4Q/1979 |
| EC | Early Reading | PHM 3015 | Scott Foresman | 4Q/1979 |
| ER | ECPC Cartridges (Blank) | TI-01 | Romox | 2Q/1983 |
| EC | Editor/Assembler | PHM 3055 | TI | 1Q/1982 |
| ER | EDU-Pack | AS-ED01b | Asgard | 1Q/1990 |
| VR | Equations | PHM 3100 | Milliken | 1Q/1983 |
| ER | Escape | TRI-2005 | DaTaBioTics | 3Q/1989 |
| ER | Espial | 7-012-99 | Tigervision | 3Q/1984 |
| ER | Extended BASIC | ??????? | Exceltec | 1Q/1985 |
| ER | Extended BASIC | ??????? | MicroPal | 1Q/1985 |
| ER | Extended BASIC II | ??????? | Myarc | ???????? |
| ER | Extended BASIC II+ | ??????? | Mechatronics | 4Q/1985 |
| ER | Extended BASIC III | TRI-2138 | Asgard | 3Q/1992 |
| ER | Face Chase | STA 110 | Exceltec | 1Q/1985 |
| R | Facemaker | PHM 3177 | Spinnaker | 4Q/1983 |
| VR | Fathom | PHM 3222 | Imagic | 3Q/1983 |
| ER | Fig-Forth | ???????? | Mechatronics | 1Q/1986 |
| ER | Five A Side Football | PHM ???? | TI | 4Q/1980 |
| EC | Football | PHM 3009 | TI | 2Q/1979 |
| R | Fractional Numbers | PHM 3095 | Milliken | 4Q/1982 |
| ER | Fractions 1 | SF 30220 | Scott Foresman | 4Q/1983 |
| ER | Fractions 2 | SF 30238 | Scott Foresman | 4Q/1983 |
| VR | Frog Jump | SF 31177 | Scott Foresman | 3Q/1983 |
| ER | Frog Jump/ Picture Parts | SF 30304 | Scott Foresman | 1Q/1983 |
| ER | Frog Stickers | TRI-BAAG | Navarone Industries | 1Q/1986 |
| ER | Frogger | TRI-GAAV | Parker Brothers | 2Q/1984 |
| ER | Grom Buster | WD-02 | Navarone Industries | 2Q/1984 |
| ER | Hamsoft Ham Radio Software | ??????? | Kantronics | 2Q/1983 |
| ER | Hangman (Gamevision Version) | MB 4966 | Milton Bradley | 3Q/1979 |
| C | Hangman | PHM 3037 | Milton Bradley | 2Q/1980 |
| ER | Hen Pecked | ROM03025 | Navarone/Romox | 2Q/1983 |
| ER | Henhouse | FW 1001 | Funware | 2Q/1983 |
| EC | Home Financial Decisions | PHM 3006 | TI | 2Q/1980 |
| ER | Homework Helper | AS-04 | Navarone Industries | 2Q/1984 |
| ER | Homework Helper + | TRI-BAAC | Navarone Industries | 1Q/1985 |
| VR | Honey Hunt (MBX) | PHM 3156 | Milton Bradley | 4Q/1983 |
| U | Hopper | PHM 3229 | TI | 1Q/1984 |
| EC | Household Budget Management | PHM 3007 | TI | 2Q/1979 |
| EC | Hunt the Wumpus | PHM 3023 | TI | 2Q/1981 |
| C | Hustle | PHM 3034 | Milton Bradley | 1Q/1981 |
| VR | I'M Hiding (MBX) | PHM 3155 | Milton Bradley | 4Q/1983 |
| ER | Individual Accounting | PHM 3066 | TI | 1982 |
| C | Indoor Soccer | PHM 3024 | TI | 2Q/1981 |
| R | Integers | PHM 3094 | Milliken | 4Q/1982 |
| U | Jawbreaker II | PHM 3194 | Sierra On-Line | 3Q/1983 |
| ER | Joust | RX8544 | Atarisoft | ???????? |
| ER | Jumpy | TRI-BAAZ | Sofmachine | 3Q/1987 |
| U | Jungle Hunt | RX8528 | Atarisoft | 2Q/1984 |
| ER | Junkman Jr. | TRI-BAAM | DaTaBioTics | 2Q/1987 |
| ER | Killer Caterpillar | TRI-GBAA | Norton Software | 3Q/1984 |
| ER | King of the Castle | TEN42067 | Navarone Industries | 3Q/1986 |
| VR | Laws of Arithmetic | PHM 3099 | Milliken | 1Q/1983 |
| ER | Learn to Program (TI-99/2 only) | PHM 3601 | TI | 2Q/1983 |
| ER | Learn to Program Basic (TI-99/2 only) | PHM 3602 | TI | 2Q/1983 |
| ER | Link Terminal Emulator | ASG-U09 | Asgard | 4Q/1990 |
| ER | Love Tennis | ????????? | Exceltec | 1Q/1985 |
| R | M*A*S*H | PHM 3158 | Fox | 4Q/1983 |
| ER | Magic Memory | TRI-BAAV | DaTaBioTics | 2Q/1988 |
| ER | Mancala | TRI-2002 | DaTaBioTics | 3Q/1989 |
| VR | Measurement Formulas | PHM 3101 | Milliken | 1Q/1983 |
| VR | Meteor Belt (MBX) | PHM 3152 | Milton Bradley | 4Q/1983 |
| U | Meteor Multiplication | PHM 3119 | DLM Arcademics | 4Q/1983 |
| ER | Micro Pinball | TRI-BADE | Software Specialties | 2Q/1987 |
| ER | Micro Tennis | TRI-BDAQ | DaTaBioTics | 3Q/1988 |
| EC | Microsoft Multiplan | PHM 3113 | TI & Microsoft | 4Q/1982 |
| U | Microsurgeon | PHM 3220 | Imagic | 3Q/1983 |
| ER | Midnite Mason | ?????????? | Software Specialties | 4Q/1984 |
| ER | Midnite Mason | ?????????? | Exceltec | 1Q/1985 |
| ER | Midnite Mason | TRI-BADF | Software Specialties | 2Q/1988 |
| ER | Milton Bradley Gamevision | MB 4961 | Milton Bradley | 3Q/1979 |
| C | Mind Challengers | PHM 3025 | TI | 2Q/1981 |
| R | Miner 2049er | 7-008-99 | Tigervision | 2Q/1984 |
| C | Mini Memory | PHM 3058 | TI | 1Q/1982 |
| ER | Miniwriter II+ | TRI-BJBZ | DaTaBioTics | 3Q/1986 |
| ER | Miniwriter III+ | TRI-BJBY | DaTaBioTics | 3Q/1986 |
| C | Minus Mission | PHM 3118 | DLM Arcademics | 1Q/1983 |
| ER | Mists of Venus | ?????????? | Futuresoft | 3Q/1983 |
| R | Moon Patrol | RX8531 | Atarisoft | 2Q/1984 |
| U | Moonmine | PHM 3131 | TI | 2Q/1983 |
| ER | Moonsweeper | PHM 3224 | Imagic | 1Q/1984 |
| ER | Ms. Pac-Man | RX8543 | Atarisoft | 2Q/1984 |
| ER | Multiplication | PHM 3092 | Milliken | 4Q/1982 |
| ER | Multiplication 1 | SF 30207 | Scott Foresman | 1Q/1981 |
| EC | Multiplication 1 | PHM 3029 | Scott Foresman | 1Q/1981 |
| ER | Multiplication 2 | SF 30223 | Scott Foresman | 1983 |
| EC | Munchman | PHM 3057 | TI | 1Q/1982 |
| ER | Munchman II | TRI-BDAG | John Phillips | 2Q/1987 |
| U | Munchmobile | PHM 3146 | SNK Electronics | 2Q/1984 |
| C | Music Maker | PHM 3020 | TI | 1Q/1981 |
| ER | Myarc Extended BASIC II | ??????? | Myarc | 4Q/1985 |
| ER | Nam | ??????? | Futuresoft | 3Q/1983 |
| ER | Navarone DBMS | ??????? | Navarone Industries | 4Q/1984 |
| ER | Number Bowling | SF 31189 | Scott Foresman | 4Q/1983 |
| ER | Number Bowling/Space Journey | SF 30306 | Scott Foresman | 1Q/1983 |
| EC | Number Magic | PHM 3004 | TI | 2Q/1979 |
| R | Number Readiness | PHM 3098 | Milliken | 4Q/1984 |
| VR | Numeration 1 | PHM 3050 | Scott Foresman | 4Q/1983 |
| ER | Numeration 2 | SF 30216 | Scott Foresman | 4Q/1983 |
| VR | Numeration 2 | PHM 3051 | Scott Foresman | 4Q/1983 |
| R | Othello | PHM 3067 | CBS Video | 1Q/1982 |
| ER | Pac-Man | RX8500 | Atarisoft | 4Q/1983 |
| ER | Paint 'N' Print (Axiom GP100/700) | TRI-BACA | Navarone Industries | 2Q/1985 |
| ER | Paint 'N' Print (Axiom 550/Okidata) | TRI-BACD | Navarone Industries | 3Q/1986 |
| ER | Paint 'N' Print (Epson/Gemini) | TRI-BACE | Navarone Industries | 3Q/1986 |
| ER | Paraprint | TRI-WABV | DaTaBioTics | 3Q/1986 |
| EC | Parsec | PHM 3112 | TI | 3Q/1982 |
| VR | Percents | PHM 3097 | Milliken | 1Q/1983 |
| ER | Peripheral Diagnostic Module | TRI-YKAL | CorComp | 1Q/1986 |
| EC | Personal Real Estate | PHM 3022 | TI | 1Q/1981 |
| EC | Personal Record Keeping | PHM 3013 | TI | 4Q/1979 |
| EC | Personal Report Generator | PHM 3044 | TI | 3Q/1982 |
| ER | Personal Data Recorder | SF 30427 | Scott Foresman | 4Q/1981 |
| C | Physical Fitness | PHM 3010 | TI | 2Q/1979 |
| R | Picnic Paranoia | RX8517 | Atarisoft | 4Q/1984 |
| ER | Picture Parts | SF 31180 | Scott Foresman | 3Q/1983 |
| ER | PIO Plus Printer Interface | TRI-YKAW | CorComp | 3Q/1988 |
| ER | Pipes | FW100? | Funware | 4Q/1983 |
| VR | Plato Interpreter | PHM 3122 | Control Data | 4Q/1983 |
| U | Pole Position | RX8534 | Atarisoft | 2Q/1984 |
| ER | Popeye | TRI-GAAY | Parker Brothers | 2Q/1984 |
| ER | Princess and Frog | ROM01025 | Romox | 3Q/1983 |
| ER | Pro-Typer | TRI-BABG | DaTaBioTics | 3Q/1987 |
| ER | Program Manager 6000+ | ???????? | Pilgrims Pride | 2Q/1986 |
| ER | Property Manager | SF 30431 | Scott Foresman | 4Q/1981 |
| U | Protector II | RX8516 | Atarisoft | 4Q/1983 |
| ER | Pyramid Puzzler | SF 31186 | Scott Foresman | 3Q/1983 |
| ER | Pyramid Puzzler / Star Maze | SF 30304 | Scott Foresman | 1Q/1983 |
| VR | Q*Bert | TRI-GAAZ | Parker Brothers | 2Q/1984 |
| ER | Rabbit Trail | FW 1004 | Funware/Romox | 2Q/1983 |
| ER | Reading Adventures | SF 30117 | Scott Foresman | 3Q/1982 |
| ER | Reading Cheers | SF 30115 | Scott Foresman | 3Q/1982 |
| ER | Reading Flight | SF 30122 | Scott Foresman | 3Q/1982 |
| R | Reading Flight | PHM 3082 | Scott Foresman | 3Q/1982 |
| ER | Reading Fun | SF 30114 | Scott Foresman | 1Q/1982 |
| R | Reading Fun | PHM 3043 | Scott Foresman | 1Q/1982 |
| ER | Reading On | SF 30116 | Scott Foresman | 3Q/1982 |
| R | Reading On | PHM 3046 | Scott Foresman | 3Q/1982 |
| ER | Reading Power | SF 30121 | Scott Foresman | 3Q/1982 |
| ER | Reading Rainbows | SF 30113 | Scott Foresman | 3Q/1982 |
| ER | Reading Rally | SF 30120 | Scott Foresman | 3Q/1982 |
| R | Reading Rally | PHM 3048 | Scott Foresman | 3Q/1982 |
| ER | Reading Roundup | SF 30118 | Scott Foresman | 2Q/1982 |
| VR | Reading Roundup | PHM 3047 | Scott Foresman | 2Q/1982 |
| ER | Reading Trail | SF 30119 | Scott Foresman | 2Q/1982 |
| ER | Reading Wonders | SF 30123 | Scott Foresman | 2Q/1982 |
| ER | Red Baron Flight Simulator | TRI-BADH | Not-Polyoptics | 2Q/1988 |
| R | Return to Pirate's Isle | PHM 3189 | Scott Adams | 1Q/1984 |
| ER | Rotor Raiders | ROM06025 | Romox | 1Q/1984 |
| ER | Salary Planner | SF 30430 | Scott Foresman | 4Q/1981 |
| ER | Schachmeister (German Video Chess) | PHM 3008 | TI | ???????? |
| ER | Schnoz-Ola | FW 100? | Funware | 3Q/1983 |
| VR | Scholastic Spelling-Level 3 | PHM 3059 | Scholastic Inc. | 2Q/1982 |
| VR | Scholastic Spelling- Level 4 | PHM 3060 | Scholastic Inc. | 2Q/1982 |
| ER | Scholastic Spelling- Level 5 | PHM 3061 | Scholastic Inc. | 2Q/1982 |
| VR | Scholastic Spelling- Level 6 | PHM 3062 | Scholastic Inc. | 2Q/1982 |
| ER | School Mailer | SF 30423 | Scott Foresman | 4Q/1981 |
| ER | Search Master | STA 102 | Sunware | 1Q/1985 |
| C | Securities Analysis | PHM 3012 | TI | 1Q/1980 |
| VR | Sewermania (MBX) | PHM 3150 | Milton Bradley | 4Q/1983 |
| U | Shamus | RX8518 | Atarisoft | 4Q/1983 |
| R | Slymoids | PHM 3197 | TI | 1Q/1984 |
| ER | SMU Electrical Engineering Library | PHM 3045 | TI | 2Q/1982 |
| U | Sneggit | PHM 3145 | TI | 2Q/1983 |
| ER | Soccer-Hallenfutball | PHM 3024 | TI | 2Q/1981 |
| ER | Sorgan II | TRI-BDAU | DaTaBioTics | 3Q/1988 |
| ER | Soundtrack Trolley (MBX) | PHM 3157 | Milton Bradley | 4Q/1983 |
| ER | Space Bandits (MBX) | PHM 3149 | Milton Bradley | 4Q/1983 |
| ER | Space Chase | ????????? | Exceltec | 1Q/1985 |
| ER | Space Journey | SF 31192 | Scott Foresman | 3Q/1983 |
| ER | Space Patrol | STA 105 | Exceltec | 1Q/1985 |
| ER | Space Patrol | TRI-2002 | DaTaBioTics | 4Q/1989 |
| VR | Speech Editor | PHM 3011 | TI | 4Q/1979 |
| ER | Speed Reading (Version B-Children) | TRI-BABA | Navarone Industries | 4Q/1984 |
| ER | Speed Reading (Version A-Adults) | TRI-BABB | Navarone Industries | 4Q/1984 |
| ER | Spy's Demise | TRI-BABC | CSI Design Group | 2Q/1987 |
| ER | St.Nick | FW 1009 | Funware | 4Q/1983 |
| ER | Star Gazer I | TRI-BBBA | John Phillips | 3Q/1984 |
| ER | Star Gazer II | TRI-BBBB | John Phillips | 3Q/1984 |
| ER | Star Gazer III | TRI-BBBC | John Phillips | 3Q/1984 |
| ER | Star Gazer I,II,III | TRI-BABF | John Phillps | 4Q/1988 |
| ER | Star Maze | SF 31182 | Scott Foresman | 3Q/1983 |
| ER | Star Runner | TRI-BAAP | DaTaBioTics | 2Q/1987 |
| ER | Star Trap | ?????? | Exceltec | 1Q/1985 |
| ER | Star Trap | TRI-BDAR | John Phillips | 3Q/1988 |
| U | Star Trek | PHM 3225 | Sega | 3Q/1983 |
| ER | Statistics | PHM 3014 | TI | 4Q/1979 |
| ER | Statistics German | PHM 3014 | TI | 1982 |
| U | Story Machine | PHM 3178 | Spinnaker | 4Q/1983 |
| ER | Strike Three! | TRI-BADJ | John Phillips | 2Q/1988 |
| VR | Subtraction | PHM 3091 | Milliken | 4Q/1982 |
| ER | Sunware LTD- Model I | ?????? | Sunware | ????? |
| ER | Sunware LTD- Model II | ?????? | Sunware | ????? |
| ER | Super Cobra | ?????? | Parker Brothers | 1Q/1984 |
| U | Super Demon Attack | PHM 3219 | Imagic | 3Q/1983 |
| ER | Super Duper | TRI-BAAA | Navarone Industries | 3Q/1984 |
| ER | Super Extended BASIC | TRI-BDAK | Triton/Millers Graphics | 2Q/1987 |
| ER | Super Fly (MBX) | PHM 3153 | Milton Bradley | 4Q/1983 |
| ER | Super Sketch-Model G2400 | TRI-VABA | Personal Peripherals | 4Q/1984 |
| ER | Super Sort | AS-03 | Navarone Industries | 2Q/1984 |
| ER | Super Space (8k) | DBC0SS | DaTaBioTics | 3Q/1986 |
| ER | Super Space II (32k) | DBC2SS | DaTaBioTics | 3Q/1986 |
| EC | Tax/Investment Record Keeping | PHM 3016 | TI | 4Q/1979 |
| ER | Terminal Emulator | PHM 3017 | TI | 2Q/1979 |
| EC | Terminal Emulator II | PHM 3035 | TI | 1Q/1981 |
| ER | Terry Turtle's Adventure (MBX) | PHM 3154 | Milton Bradley | 4Q/1983 |
| EC | The Attack | PHM 3031 | Milton Bradley | 1Q/1981 |
| ER | The Great Word Race | TRI-BDAL | John Phillips | 3Q/1987 |
| R | TI Extended BASIC (v100) | PHM 3026 | TI | 1Q/1981 |
| EC | TI Extended BASIC (v110) | PHM 3026 | TI | 3Q/1982 |
| EC | TI Invaders | PHM 3053 | TI | 4Q/1981 |
| ER | Tile Breaker | ?????????? | Exceltec | 1Q/1985 |
| ER | TI LOGO | PHM 3040 | TI | 2Q/1981 |
| C | TI LOGO II | PHM 3109 | TI | 4Q/1982 |
| ER | TI Toad | TRI-BADG | Software Specialties | 2Q/1988 |
| C | TI-Writer | PHM 3111 | TI | 3Q/1982 |
| ER | TI/IBM Connection | ?????? | CorComp | 3Q/1987 |
| EC | Tombstone City: 21st Century | PHM 3052 | TI | 4Q/1981 |
| ER | Topper | ROM05025 | Navarone Industries | 3Q/1983 |
| ER | Topper | TRI-BAAF | Navarone Industries | 1Q/1986 |
| EC | Touch Typing Tutor | PHM 3064 | TI | 2Q/1982 |
| ER | Treasure Island | PHM 3168 | Data East | 1Q/1984 |
| ER | Tris | ASG-E01a | Asgard | 3Q/1989 |
| ER | Tris-2 | ASG-???? | Asgard | 3Q/1992 |
| U | Tunnels of Doom | PHM 3042 | TI | 2Q/1982 |
| ER | Tutankham | ?????? | Parker Brothers | 1Q/1984 |
| ER | Typewriter 99 | ASG-P18b | Asgard | 1Q/1989 |
| ER | Typo | ?????? | Romox | 3Q/1983 |
| ER | Typo II | ROM04025 | Romox | 4Q/1983 |
| ER | Typo-Man | TRI-BAAQ | Navarone Industries | 2Q/1987 |
| EC | Video Chess | PHM 3008 | TI | 2Q/1979 |
| C | Video Games I | PHM 3018 | TI | 2Q/1980 |
| R | Video Graphs | PHM 3005 | TI | 2Q/1979 |
| ER | Video Vegas | FW 1002 | Funware | 4Q/1983 |
| R | Weight Control and Nutrition | PHM 3021 | TI | 1Q/1981 |
| ER | Word Invasion | PHM 3169 | DLM Arcademics | 4Q/1983 |
| VR | Word Radar | PHM 3185 | DLM Arcademics | 4Q/1983 |
| ER | Wordwriter | TRI-BJBW | DaTaBioTics | 2Q/1987 |
| ER | Wordwriter Xtra | TRI-BDAV | DaTaBioTics | 3Q/1988 |
| ER | Wordwriter+ | TRI-BJBV | DaTaBioTics | 2Q/1987 |
| ER | Wordwriter+ | TRI-BDAW | DaTaBioTics | 3Q/1988 |
| ER | X-10 Powerhouse System | TRI-QGAG | CorComp | 2Q/1986 |
| ER | XB3 Super Module | ?????? | Asgard | 2Q/1993 |
| ER | Yahtzee | PHM 3039 | Milton Bradley | 2Q/1980 |
| R | Zero Zap | PHM 3036 | Milton Bradley | 2Q/1980 |
| ER | Zero Zap (Gamevision) | MB 4964 | Milton Bradley | 3Q/1979 |
This rarity list was made possible with Bill Gaskill's excellent cartridge collector's page.