Thanks for the thanks dodicat.

I was expecting dozens of posts by neil with improved versions... he must be busy transcending to a higher being or learning Lisp or something.

Everyone seems obsessed with Cairo at the moment so I thought I'd have a go. Sit back and enjoy the show (make your own noises). 'Program Fireworks 'Author David Watson 'Version 1.00 'Language FreeBASIC 1.10 for Linux '########################## includes and declarations ########################## #...

Here's a cheesy old effect from around 1980 'oldskool water effect dim as short i, s dim as short rx(199), ry(199), rs(199) randomize timer 'initial ripples for i = 0 to 199 rx(i) = int(rnd * 1024) 'x centre ry(i) = int(rnd * 768) 'y position rs(i) = int(rnd * 9) 'size next i screen 20 color 7, 1 do...

Your program looks good so far, but it would be better if you only burn fuel when thrusting.

Check out this aquarium:
https://itsfoss.com/asciiquarium/

Game of Life is a classic Artificial Life program, I remember writing a version in GFA Basic for the Atari STe.
Another classic is Langton's ants: https://en.wikipedia.org/wiki/Langton%27s_ant

When you convert from a real number to an integer in FreeBasic it rounds to the nearest integer, which means it might round up or down. Use INT() to
always round down.

Knight Rider style dim as short c, dotx(31), i, x, z dim as string k screenres 542, 80, 32 do for i = 40 to 964 step 2 screenlock if i < 502 then x = i else x = 1004 - i for z = 0 to 30 dotx(z) = dotx(z + 1) next z dotx(31) = x cls for z = 0 to 31 c = 38 + z * 7 circle (dotx(z), 40), 15, c shl 16, ,...

@neil Take a look at this site:
https://www.chiark.greenend.org.uk/~sgtatham/puzzles/

I tried the Klotski puzzles. They were way too hard for me! I'll stick with Sodokus.

I discovered you can slide the rectangular pieces into the hole squares around the edge and I've completed the puzzle.

These puzzle games are pretty good. Peg Solitaire and smallpuzzle are both enjoyable and well made, but I cannot figure out how to do the 4-ball slider puzzle!

You could save some space by using text strings to store your 1s and 0s, eg becomes Alternatively, you could keep the font in a graphics file using a non-compressed format like .BMP.

When this line is first executed it erases the top left of the maze.

I wrote this years ago, but it might interest you. It also supports red/cyan glasses. Hold a mouse button and move the mouse to rotate the torus. 'Program Torus 'Version 1.03 'Language FreeBASIC 0.21 for Linux 'Copyright © 2011 David Watson [david@watzon.co.uk] 'Anyone is permitted to copy, modify, ...