Pico8 is fantasy console ( a make believe retro machine) that there is a TON of good and free content for.

Pico 8 has the following technical restraints, no matter what the host system ( runs on most OS and consoles)

Display 128x128 16 colours

Cartridge Size 32k

Sound 4 channel chip blerps

Code Lua

Sprites 256 8x8 sprites

Map 128x32 cels

Despite these steep limitations, there are 1000s of games and a very active community.

3DS-Pico8

This is a work-in-progress homebrew application that allows you to play Pico-8 cartridges on your 3DS.

Usage

Have the 3DS-Pico8.3dsx in your 3ds folder, then run from the homebrew launcher. Sound has not yet been implemented. The 3DS d-pad is used for left, right, up, down. A is used for Pico8 C/Z and B for X. You can press start to exit the application.

Cartridges

helloworld.p8.png - pre-release v0.1
rainyday.p8.png - pre-release v0.2
celeste.p8.png - pre-release v0.3

Open the webpage. In the Pico8 webplayer, click "Cart" in the bottom left corner. Save the image with the appropriate filename in the folder /Pico8Carts on your SD. Use with the specified release version.

Planned Features

Support for all standard Pico-8 functions.
Cartridge selection.

Acknowledgements

Lua
Pico-8
LodePNG
z8lua - A lua version that supports features present in Pico-8, like compound assignment operators.
Nintendo Homebrew Community
Pico-8 Community

You can get the player on github HERE or a different one HERE

You can find games on the wiki, itch io, and tons of other places.