Here's another alternate palette cart, although this one is a bit more optimized and easy to put in a game with just ONE function!
Function if anybody wants to copy it:
Basically how it works:

As you can see from the gif, there is a menu-item that will change the palette from the regular PICO-8 palette to the alternate one.
That's pretty much it, just a little base for any games taking advantage of this
Also, if you want to learn more about these alternate colors, Lazy Devs has a much more in-depth video about it

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@SandwichBlam Download the Celeste classic cart, copy the important bits of this cart into that one.
The important bits:
Inside Celeste's _init():
altpal=false menuitem(1,"altpal",function() onoff() end) |
Inside Celeste's _update():
if altpal then for i=0,15 do pal(i,i+128,1) end else pal() end |
and the function:
function onoff() altpal=not altpal end |

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something's wrong...
altpal is broken, try it once Madeline is controllable
(dashing makes it turn on and off really quickly)
@UnitVector
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