I made a tiny plugin that lets Tiled load .p8 cartridges, edit the map section, and save them back without breaking the code or other sections. Works great for me, so I hope you may find it interesting!
Available on GitHub: https://github.com/samhocevar/tiled-pico8
Here is what it looks like with a dark theme and the grid color set to white:
Update 2021/02/20: The plugin was ported to JavaScript for compatibility with all OSes. Requires a preview version of Tiled (1.5.0) for now.

On Windows, when launching a cart that uses #include, all included files get locked forever and cannot be deleted or modified by an external program unless PICO-8 is stopped. Even if another cart is loaded, the old files are still locked. This makes it really hard to work with source control because no file can be updated or merged while PICO-8 is running.
Edit: here is a screenshot of resmon.exe showing that pico8.exe acquires a new file descriptor on the same file each time I press Ctrl-R:


Wanted to take a stab at creating blackjack in pico-8. This was surprisingly more complicated than I thought it'd be 😅. Anyhow, from what I've tested it's pretty much there despite some weirdness that might come up in scenarios where you're splitting your hand. If you do give it a spin, feel free to lmk what you think.
Cheers,
l4nk332
"Keep It Alive"
280 characters
p,v,t,m,z,f,s=0,0,0,64,128,circfill,sin::_::cls(0)c=3 for i=0,m do if(i==m)c=0 x=m+9*s(i/z+p/z)y=z+4-i+4*s(i/z+t/z)-4*s(p/32)f(x,y,18+c-i/8,c)end f(m,t%m,2,12)for i=0,m do f(x+i/4*s((i+p*5+t)/z),y+7-i/2+i/7*s(p/z),4-i/16,8)end flip()a=.1-rnd(.2)t+=2v=max(-1,min(1,v+a))p+=v goto _ |

This is the submission page for the no sprite sheet challenge.
For details about the challenge and all submissions or if you have a question, go to the No Sprite Sheet Challenge page.
If you have a game you would like to submit, comment the link and name of your game.
Onslaught
You are the pilot of a small grey craft going through space. You are being attacked by a whole host of munitions that are being flung your way, from missile volleys to plasma melters to anti-flagship beams. This wouldn't be much of a problem for such a nimble ship like the one you have, but you are running on emergency fuel that doesn't have nearly the kick of the regular fuel. No help is coming, so you must hold out for as long as possible.
CONTROLS:
Left Arrow: Go left
Right Arrow: Go right
X: Resets the game (Only works after a game over)
Prototype of a chalkboard simulator/math scratchpad. (I might add special characters for that later)
Controls:
- LMB to draw, RMB to erase
- Shift+LMB to draw harder, Shift+RMB to erase more
- Arrows to move cursor
- Tab to move cursor to the mouse position (note: tab is also detected as shift, I don't think there's much I can do about that)
- Keyboard to write
- Enter, Space, Backspace work but slightly unconventionally
- Shift+Up/Down to move cursor half a line up or down - this makes subscripts and superscripts possible
- Mouse wheel to scroll the board (it's infinite downward, but performance is not great yet)
 (1).gif)
Maybe the BBS code parsing is lagging behind the Pico-8 release?
https://www.lexaloffle.com/bbs/?pid=74848
Downloaded Code shows fine in pico8 app.
In Code tab that cartridges listing, it just says:
0001






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