Pico-8 is a really easy-to-learn game making system. It has the code editor and all the tools for making sprites, maps, sound effects, and music ALL built-in. And it's pretty easy to share your games!  You can get it here.

https://www.lexaloffle.com/pico-8.php

It's 15 USD.  If you get it, this demo cart from my TOY BOX JAM has a lot of free graphics, sounds, and music to mess with!

https://www.lexaloffle.com/bbs/?tid=36429

Here are a bunch of Beginner's Resources to get you started!

_____________________________________________________________________________________________________

This is for beginners to find newbie resources about making games in Pico-8.

Pico-8 is a "fantasy console" -- in short, just a game-making system! It uses a scripting language called Lua. All the tools for code editing, sprite and map editing, plus sound and music editing are all built in!  The Pico-8 community is friendly, and there are lots of resources to help you get started!

HOW TO GET STARTED

- Play some games!  https://www.lexaloffle.com/bbs/?cat=7&carts_tab=1&#sub=2&mode=carts

-- Controls: arrow keys and Z ( O button) and X (X button). Return for pause menu.

- Peek at the code! Click Code under the cartridge window!

- You can also download the Cart by clicking Cart, then Right-Click on the cart to download it. 

- A great 72-page beginner's guide by @MBoffin#1337 : https://mboffin.itch.io/gamedev-with-pico-8-issue1

- ALSO check out @MBoffin#1337 's great educational toolset, carts covering one concept each! https://mboffin.itch.io/pico8-educational-toolset

- Watch LazyDevs BREAKOUT HERO tutorials: https://www.youtube.com/playlist?list=PLea8cjCua_P0qjjiG8G5FBgqwpqMU7rBk

- Nerdy Teachers tutorials: https://nerdyteachers.com/PICO-8/

- Consult the official manual: https://www.lexaloffle.com/pico-8.php?page=manual

-  The Community Wiki: https://pico-8.fandom.com/wiki/Pico-8_Wikia  (GREAT RESOURCE!)

- Remind yourself of command syntax with this cheatsheet: https://www.lexaloffle.com/bbs/?tid=28207

- Check out Pico-8 Zines #1 - #4 ! https://itch.io/search?q=pico-8+zine

- Also Liquidream's tutorials on Pico-8: https://forum.clockworkpi.com/t/pico-8-gamedev-1-getting-started-tutorial/2347

- Cool Pico-8 resources list: https://github.com/pico-8/awesome-PICO-8

- General resources list: https://itch.io/jam/game-jamuary/topic/179831/pico-8-resources

Okay, that's a good start! Now go out there and try to make something!