- Dice Twist or Stick - readme.zip P file T81 file
- Menace Mouse Attack - readme.zip P file tzx file z81 file
- Monty Hall Problem - readme.zip P file z81 file
- Row Blast - readme.zip P file z81 file

ZX81 BASIC is very inefficient, slow to input, unstructured, slow to execute
and hard to error trap.
If that isn't enough, there's less than 1000 bytes available to the user!
A few years back I set myself the
challenge to squeeze something out of this unexpanded beast, using only the
built in Basic.
Here are the results!
