Maps in pico8 provide several things:

• a way to build levels by assembling 8x8 cells blocks (sprite)
• a way to have metadata on each cells, they can be used for collision or triggering events - Making a Roguelike

see also

• camera - camera offset causes all subsequent draw operations to have the offset subtracted from their x and y coordinates.
• Reusable Actor Class (Quick Start Library)

Map Editor

• jaP8e / github - Editor for code, graphic, charset, sound

• Picohorn - map editor for celeste

• PicoMap - allows console game size worlds to fit in a single Pico-8 cart. Levels are stored more efficiently by being built from groups of tiles instead of single tiles.

Tricks

• Smooth Map Screens Transition
  • see end of Programmer un jeu d’aventure EP3 : Dialogues et animations
• Spawn Enemies
• Study notes on Pico-8 movement

Reload

reload(0x2000,0x2000,0x1000)	-- reset the map to its card definition

Dynamic Map