Type. RUN. Repeat.
Line-numbered BASIC, a familiar READY prompt, and the satisfying feeling of making the screen do something.
NDB SOFTWARE PRESENTS
MICROCOMPUTER SYSTEM
Step back to when your computer started with BASIC and the best way to learn was to type something. A complete little retro microcomputer, right in your browser.
48K OF POSSIBILITY. NO INSTALL REQUIRED.

01 / MEET YOUR COMPUTER
Write a program. Load a game. Poke around.
There’s a lot of fun in a little memory.

Line-numbered BASIC, a familiar READY prompt, and the satisfying feeling of making the screen do something.
A permanent built-in keyboard for touch, plus your physical keyboard on desktop. BREAK is always within reach.
Open local programs, save a downloadable copy, and organize your collection in Library / Media.
02 / TRASHBOX-80 Arcade
10 original games running inside the machine itself. Load the source, study it, change it, BREAK it, and RUN it again.

01 / CARDS / CASINO
Start with 100 play dollars. Bet whether the next card falls strictly between the two on the table. Zero passes; a matching rank loses.
How to play
02 / ASTEROID SHOOTER
Blast drifting space rocks into fragments. Steer, thrust and fire through tougher waves in this original BASIC arcade game.
How to play

04 / FALLING-BLOCK PUZZLE
Arrange falling blocks into complete rows. Completed rows disappear and increase your score. Keep the blocks from reaching the top of the playfield.
How to play
05 / SPORTS / SIMULATION
Call runs, passes, punts, and field goals through four quarters. The computer calls its own offense and simulates every snap.
How to play
06 / GUESSING / BEGINNER
Guess the computer's secret number from 1 to 100. HIGH or LOW hints help you find it. Every valid guess counts.
How to play

08 / ADVENTURE
Escape a strange abandoned computer store in fewer than 100 lines of BASIC.
How to play
09 / CLASSIC / STRATEGY
Match wits with the computer in the classic take-away strategy game.
How to play
10 / WORD / GEOGRAPHY
Guess the mystery country one letter at a time. Use the continent hint to narrow it down before six wrong guesses complete the hangman. Easy to Medium. Countries of the World.
How to play03 / YOUR FIRST FEW BYTES
No setup ritual. Launch the computer, wait for READY, and enter a line. The field guide takes you from your first message to saving your own program.
Write your first program10 PRINT "HELLO FROM TRASHBOX-80"
20 GOTO 10
RUNBREAK stops the loop. Curiosity takes it from there.
INDEPENDENT SOFTWARE. FAMILIAR SPIRIT.
Meet Classic BASIC, Cortex BASIC, and Vesper Python.
NO TIME MACHINE REQUIRED
A whole little computer. A browser tab. Whatever you make of it.