These disks come from the "Chicago Users Group", member Alfredo.
The following list displays all programs that can be run from XBasic or normal Basic.
Programs not listed are damaged. 

CUG001.DSK
Aardvark
Asteroids
Beeline
Boa Alley
County Fair Derby
Cyber Dice
Goblin
Jungle Jim
Mad Scientist Adventure
Memory Trainer
Playing The Ponies
Switch A Row

CUG002.DSK
Five Card Stud
Bombing Run
Capture The Alien
Disarm The Bombs
Giants And Dwarfs
Basic Hangman
Super In-Between
Tex-Thello
Tic Light
Wimbley Oo-Ba	
Word War
Hunt The Wumpus II

CUG003.DSK
Dungeon
Jumper
Kidnapped
Knight's Tour
Martian Lander
Quintus
Sink The Bismarck
Space Zapper
Time Bomb

CUG004.DSK
Quanets
Racing
San Francisco Tourist
TI-Scramble / Reverse
Shooting Gallery
Stoneville
Sumeria (Talking Version)
Tic-Tac-Toe
Treasure Hunt
Ufo Encounter
Up-Scope!

CUG005.DSK
Not Existing!

CUG006.DSK
3D Tic-Tac-Toe
Backgammon
Bassackwards
Black Jack
Bonkers
Deliver The Cake
Why Did The Chicken Cross The Road?
Concentration
Craps
Decoy
The Haunted Mine

CUG007.DSK				
Bowling Champ!
Boxing
Breakout
Bug
Color Cross
Face Off
Forest Fire
Galaxy Lander
Holey Moley
King
Missile Command
Night Of The Living Death
Spider Bop

CUG008.DSK
Gold Rush
Crazy Koala
Fireball - Pinball Construction Set
Rat Race I
Rat Race II
Schmoo, Too!
Sea Battle
Sky Rescue
Tank Commander
War Lords

CUG009.DSK
The Castle Of Death
Basketball
Corner Wars
The Presidental Campaign
Golf
Pi-Ring-Squad
Rocket
Space Scout
Star

CUG010.DSK
ATC
Battleships
The Beetle Walk
Berlin Wall
Crazy Cliff
Compu-Golf
Stock Market
Battleship Program

CUG011.DSK
Asteroid Belt
Bandit
Black Hole
Defender
Greedy Green Grabbers
Imlost
Star Fort
Patscram Mission
Quasimodo
Spring Heeled Jack
Weebomber

CUG012.DSK
Alien Search
Basements & Beasties
Blockbuster
Clue
Kitchen Kapers
The Bannochburn Legacy
Motocross
Space Shoot-Out
Terminal Chess

CUG013.DSK
Battle Star
Cannonball Chess
Depth Charge
TI-Monopoly
Texas Ranger
TI-Poker
TI-Words

CUG014.DSK
Mouse In A Maze
Mugwump
Othello
Party Game
Scorcher
TI-Alien
Trail West
TI-Wars
Hunt The Wampus!
Yahtzee I
Yathzee II

CUG015.DSK
TI-Writer Loader 2.01

CUG016.DSK
Air Traffic Control
Animal
Bombs Away
Egg Wars
The Escape Game
Imperial Lander
Invasion II
The Lost And Forgotten Island

CUG017.DSK
3D Tic-Tac-Toe
Checkers
Draw Poker
Guess The Phrase
Horse Race
The Munster Family Adventure
Murder
Vicious Circle

CUG018.DSK
Disk Cataloger
Auto Logon
Bubblesort
Call Key
Categorizer
Edit / Merge
Line Scroll

CUG019.DSK
Air Sea Battle
Alien
Aphorism Generator
Artillery
Boggler
Chicken Helper
Civil War
Alpine Skiing
Codebreaker
TI-Poker
Maze
Random Winner
Unscramble

CUG020.DSK
Stock PGM
Private Banker
Loan Amortization Schedule
Mortgages

CUG021.DSK
Blackjack Tutor
Gold Dig
Pi-Ring Squad
Rescue
Space Scout
Tiny Trek

CUG022.DSK
Marylin Monroe
Bomber
Cat & Mouse
Imlost
Egg Hunt
Binary Guesser
Jumping Jack
Market Simulation
Racing
Battle At Sea
Shuffle Squares

CUG023.DSK
EMPTY

CUG024.DSK
Active Filters
Multi-Layer Air Core Coils		
Center Of Gravity Model
X-Y-Data-Plot
Digital Logic Simulator
Factorial
Fluid Power Formulae
Integration
Medical Laboratory
Intermodulation
Planet Positions
Roots Of Polynomials
Simultaneous Equation
Beam Calculation
Trigonometry
Truth Table Generator

CUG025.DSK
The Time Manager
ASCII File Converter
Calendar/Day/Date Utility
Condensed Record Structure
Library Editor Comment
Disk Indexer
Disk Runner
Printer Setup
Disk Lister
Editing Program
Mplot
Peeker
Perpetual Calendar
Digital Clock
Screendump

CUG026.DSK
A collection of xmas songs

CUG027.DSK
Graphic Demos
Main Screen
Musical Keyboard
Variations On A Theme by Ludwig Van Beethoven
Raindrops Keep Falling On My Head					
Songbook
Spacetrip
The Entertainer
Texas Flag
Wyoming Flag

CUG028.DSK
Battle Hymn Of The Republic
Berceuse
I'm Forever Blowing Bubbles
Building Blocks
Color Crayon
Fiddler
Are You Lonesome Tonight?
Morning Has Broken

CUG029.DSK
Haydn's Sonata #2
Invention In F by J.S.Bach
Launch 			
The Masterpiece
Midnight Cowboy
Netherlands
No Bananas!
One In A Million
Prelude #1 In C by J.S.Bach
TE II / Voice
I'm Looking Through You

CUG030.DSK
The ABC
Table Of Atomic Weights
Biological Symbols
Energy
Genetics
About Georgia
Linear Algebra Solver
Math Driller
Spanish Tutor For Beginners
Read Fast
Star Chart
The Typing Game

CUG031.DSK
Voltages Coverter
Arithmetic Drill
Bases/Primes/Hyperbolics
Bible Books
Curve Fitting
Ordinary Differential Equations
Dipoles
Food Calculation
Fourier Series
Health Style - A Self Test
Simultaneous Equations And Matrix Inversion	
Mohr's Circle
Elyptical Orbits
Statistics
Celsius - Fahrenheit
Tense Time
Word Teacher

CUG032.DSK
Mathematics - Addition and Subtraction
Decision Maker
Ethylene Glycol Antifreeze Concentration										
First Math
Fog Index
Home Heat Efficiency Plan
The TI Poet
Poison Prevention
Learning How To Tell Time
Iowa Counties Quiz
Umbral Lunar Eclipses
Western States

CUG033.DSK
Binary-Decimal Conversion
Binomials
Buy Analysis
Cryptography
Diet Plan
Codebreaker
Feet And Inches
Photo Facts
Kiddie Addition
Kitchen Aids
Downhill Ski Optimal Length Calculation
Spanish Tutor II
Squaredance Timing (Mainstream)

CUG034.DSK
Home Value Estimator

CUG035.DSK
List Maintenance
Home Librarian
Check Sort
Database
Family Bills
Our Family Tree
Financial Program
Financial Calculations
Freezer Inventory
Household Inventory Records
Household Inventory For The 'John Doe Family'
Loan Payments
Magazine File
TV Scheduler
Wine Inventory

CUG036.DSK
Cassette Files
Check Balance
Interest Received Projections
IRA
Conventional Loan Analysis
Monetary Gains
Recipes
Records
K&K Office Data 
Stock Trends
Stock Market
Story Writer
U.S. Individual Income Tax

CUG037.DSK
Alien III
Bandit
Bank Robber
Deathship
Deepspace
Komputron
Mugwump
Concentration
Psycho Test
Runway 180
Shoot Down
Cribbage Solitaire
Sprite Chase
Verboten
Hunt The Wumpus

CUG038.DSK
Acey-Ducey
Animal
Autobahn
Echo
Eliza
Invert
Krazy Koala
Obstacle
Othello II
15-Puzzle
Give-Away
Rubick's Cube
Simon 1
TI-Romans
Wargames 1

CUG039.DSK
Camel
Fireball
The Last Robot
Space Zapper
TI Keno
TI Battle
Truckers Domain

CUG040.DSK
Blackjack Tutor
Gold Dig
Pi-Ring Squad
Rescue
Space Scout
Tiny Trek

CUG041.DSK
Commodore Theater
Joystick Tester
XPREP

CUG042.DSK
Aquarius
Axel F.
Munchman
New Kid In Town
Organism
Thriller

CUG043.DSK
File Art
Crazy Sound Effects
Set Color
Scrabble
Memmap

CUG044.DSK
Chicago
Comets
Ghostbusters
Rustic Dance
Startek Titletheme
The Witching Hour

CUG045.DSK
Romance De Castilla
Ernie & Bert
Hidden Pairs
Sideways
Toccata In D-Minor by J.S.Bach

GUG046.DSK
Gobbledigook Generator
Theme From Startrek
Sunflower Slow Drag
Snoopy Poster
We Are The World
		
CUG047.DSK
Color Graphics Demo
America
Bugle Boogie
Clementine
Deck The Halls
Go Hawks
Love Poster
Mash Theme
Moon & Stars
Music 3
Organ 2
Shoot'em
99/4 Speech Module Demo
Vocabulary Of The Speech Synthesizer
Sweetheart
Color Visions

CUG048.DSK
Autoload
Catalog

CUG049.DSK
Account Manager
Account Posting Data
Amortization Schedules
Auto Loan Analysis
Budget Worksheet
HHB Aid
Custom Budget
Do It Yourself Alarm
Checkbook Balance
Checkbook Sort
Checkbook Reconciliation
Check Scan
Dates To Remember
Monthly Income And Expense Taxing
Financial Decisions
Fuel Comparison
Furniture Mover
Grocery List

CUG050.DSK
Regatta Rally
Crossword
Dodgem1
Space Guard
Space Rescue
The Frog
Word Shoot

CUG051.DSK
Banner Message Printer
Big Letters
Calendar Search And Print
Program Compactor
Epson Codes
Graph Display
Name And Call Sign File
Off-Line Source Mail
Marquee
Plotter
Tape Database

CUG052.DSK
World Capitals Quiz
Nuclear Chemistry
Cramer's Rule
Evolution
Fractions
Coordinate Geometry Points
Math Hangman
Morsecode
Number Drills
Spanish Flash Cards
Space Shuttle
States Quiz
Super Fly
Teaching Aid
Water Pollution Study

CUG053.DSK
Backgammon
Bookstore
ECTM Calculation
Flightplan
Forest Fire
Home Heat Efficiency Plan
Invasion
Kerosene Heater Savings
Patterns
Score Four
Tank Race
Trench Warfare

CUG054.DSK
Basic Primer I
Basic Primer II
Character Definition
Graphics Demo
Lowercase Characters
Metronome
Mileage
Chase
Music Frequency Translator
Sine Wave
TI-Sound
Trivia Quiz
Tune Your Guitar
Typing For Accuracy
Zig Zag

CUG055.DSK
Home Value Estimator
Arithmagraphs
Capitalize
Car Wash
Language Expression
Home Librarian
Mother Goose
Quest
Rhythm
Tense Time
Vocabulary Quiz
Word Twins

CUG056.DSK
Lexicality
Stock Market Record Program
Who Am I?
Hamurabi
Hangman / Spelling
IQ Test
Mouse In A Maze
Records

CUG057.DSK
Cutting Info
Household Accounts
Home Budget
Daily Nutrition
Degree-Days
Personal Property
Credit Union Loan Account
Self-Evaluation
The Taxkeeper
Important Numbers
Checkbook Account
Adress Book
Savings And Loan Analysis

CUG058.DSK
Star Constellation
Addition Magican
Multiplication Madness
Adrift
Jeux Video (French Math & Vocabulary Game)
Jeu Avec Les Mathema-Stroumpfs (Math-Learning With The Smurfs)
Coordinate Geometry
Math Muncher
Pre-School Fun
Shape Sequences
Time-X
Volcano Facts

CUG059.DSK
Alien Destroyer
Ball-Bert
Base Alert
Cat & Mouse
Dog Catcher
Even Wins
Frog
Keno
Laser Chaser
Monster Combat
Moon Tag
Pente
Robot Attack
Space Gem
Space Pilot
Splat

CUG060.DSK
Simply Supported Moments And Reactions
Electrical Fault Current Calculations
Typing Training
Typing Training Quiz
Lilliefors-Test For Unspecified Exponential Distribution  (Ahhh... What a sentence!)
Arithmetic Drill
Morsecode Trainer
Morsecode Program Trainer
Spanish Concentration

CUG061.DSK
The Battlers
TI-Battle

CUG062.DSK
Archer's Averages And Team Handicaps
Basketball Scorekeeper
Basketball Game Stats
Check Ledger Expense Record Keeping
Computer Inventory
Credit Card Inventory
Directory
Football Ratings
Football Picks
Football Stats
Fuel Calculation
General Inventory Program
Golf Scores For 1980
Jibsail
Players Stats
Power Ratings

CUG063.DSK
Ancestral File
Home Check Processor
File Demo
Financial Decisions / Basic Equations
Function Analysis
Grade Average
Home Heat Efficiency Plan
Household Inventory
Investment Analysis
Investment Tracker
Vital Stats
Shortwave Station Records
Master Index
List Generator
Paper Tape Simulator
Message System

CUG064.DSK
Let's Build America
Handicapper
Latitude/Longitude
Math Challenge

CUG065.DSK
Alley Cat
Dog-Gone Boogie-Woogie
Fernando (Yeah! It's ABBA!)
Apesoft Graphics Demo (You can't believe it's a TI-99/4a!)
In The Mill
Penny Lane
Spaceship
The Greatest Sunglasses
Yesterday

CUG066.DSK
Basic Algebra
Biorhythm
Metric Conversions
Czech Vocabulary Trainer
Spanish Verbs
Life Expectancy Calculations For Adults
Orbital Crossing
Precious Metal Types
Spell And Score
Technical Memo
Word Total

CUG067.DSK
Fireworks
American Flag
Forest Roses
Dough's Friendly Computer
The Godfather
Joystick Tunes
Moonlight by L.v.Beethoven
The Boxer
Happy Valentines Day
Color Visions
Walking Sprite
Yesterday

CUG068.DSK
Album-Leaf
Witches Dance
Haunted House
Scrolling Horizon
Kaleidoscope
Sound Demo

CUG069.DSK
Basketball Stats
Financial Program
Bowling Team Records
Mail Man
Stock Market
TI Text
Trendline Analysis
Touch Typing Trainer

CUG070.DSK
Bowling Scores
Chess Rating
Grocery Shopping Coupons
Fumble
Pro Football Point Spread
Golf Score Analysis
Gymnastic Team Data
Basketball Stats

CUG071.DSK
All Star Championship Baseball
Disk Catalog
Flight Log
Flight Planner
Aircraft Data

CUG072.DSK
Comet Trivia Quiz
Personal Library Printer
Stegosaurus March
Terminal Chess

CUG073.DSK
???

CUG074.DSK
???

CUG075.DSK
Possibly Damaged

CUG076.DSK
???

CUG077.DSK
???

CUG078.DSK
???

CUG079.DSK
Bug Quest
File Print
Graphsheet
Loan Calculator
Maze Generator
XB Color
TI-Basic To XBasic Converter

CUG080.DSK
NOT EXISTING

CUG081.DSK
2099 - A TI Oddysey
Archiver / See UNPACKER also
Galveston
Hillstreet
Munchman
Beer Barrel Polka (hic..hic...)
Stairway To Heaven
Starwars (Return Of The Yedi)
Twilight Zone

CUG082.DSK
Mr. Bojangles
Brandy
Superfont

CUG083.DSK
Dragon Storm
E.T.
The Hacksville Hoedown
Adventure In Oz
Somewhere Over The Rainbow

CUG084.DSK
Airplane
Crossfire
Skydive
Artist Printer

CUG085.DSK
If I Fell
Beethoven's 5th
Born Free
Bumble Boogie
Killing Me Softly
Pink Panther Theme
Rockies Robot Boogie
Rock Around The Clock
Venetian Boat Song

CUG086.DSK
Same as CUG085.DSK

CUG087.DSK
Aphorism Generator
Alpine Skiing
GPL Interpreter Simulation
Lunar Kangaroo
Labyrinth One
Triple Yahtzee
Black Tunnel
Unpacker / supplement of ARCHIVER

CUG088.DSK
Autosprite Definition
Aussie Fighter
XB Loader

CUG089.DSK
EMPTY

CUG090.DSK
???



CUG091.DSK
Periodic Elements
Music Box
Call Sound Effects
The Boy From New York City
Solar II
Startrek III
Oh Susanna !
Trains
XYZ Plot

CUG092.DSK
Air Defence
Grisly Adventure
Brain
Cannibals
Circus
Corral
Devastator
Dracula Adventure
Flank Attack
Number/Letter Puzzle
Peeker
Taco Man
Vegas Slots

CUG093.DSK
Time Manager
Beethoven's 5th
Fallout
Loan Calculator
Mailing List Database
Matilda
Maze Generator
Overlay Strip Designer
Strip Poker (how nice! And this on a TI-99/4a !)

CUG094.DSK
CAD
Cootie
Dog Star Adventure
Gospel Music
Jesu, Joy Of Man's Desiring
Madlib
Model Rocketry Design
The Rainbow Connection

CUG095.DSK
ACE
Checkbook Balance
GCD (Kind of Benchmark-Test?)
Numerology
Print UPS
Print Ordering Blanks
Saving Plan

CUG096.DSK
Personal Banking
Frazzle
In My Life
Light Racer
Artist Picture Loader

CUG097.DSK
5'2 Eyes Of Blue
Print Char
Controller Display
Fishtank
MS. Pacman (Only a Music-Demo)
Old St. Nick Original
Pilot Interpreter
Zanquest
Banner

CUG098.DSK
???

CUG099.DSK
Circle Demo 1
Circle Demo 2
Circle Demo 3
Circle Demo 4
Draw
Things In The Dark
Line 1
Line 2
Merry Christmas / Joy To The World
Sine Wave

CUG100.DSK 
???

CUG101.DSK
Apple Jam (TI versus Apple IIe)
Crummy Commie (TI versus Commodore)
Eliza
Sorry Atari (TI versus Atari)
Shoot Out In Space
Wheel Of Fortune