World’s Smallest Game Engine

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In 7 days, I tried to make a game with the weirdest game engine: PICO-8, a fantasy console that tries to emulate hardware restrictions of 1980s video game consoles like the NES (1985) and SNES (1991). I teamed up with the insanely talented, professional, full-time game dev and pixel artist @ReeceGeofroy, who created the game’s art, and in one week we were able to put together "String Quest," a retro dungeon crawler game where you navigate two players connected by a string. This was also our entry to the Brackeys Game Jam 2021.1, which had a theme of “Stronger Together,” and the mechanics were inspired by Murphy's Walk, a game I made for the Extra Credits Game Jam #4 in 2019.
Check out String Quest here: polymars.itch.io/string-quest
→ Reece Geofroy’s Video (I'M IN IT): • Creating A Retro 8-Bit...
→ Twitter: / polymarsyt
→ Twitch: / polymars
→ Join the PolySpace Discord: / discord
--Chapters--
0:00 Intro
0:42 friendly chat
1:11 What is PICO-8?
1:51 Core
2:51 Game Idea
3:18 Lua Programming
3:52 Creating Basic Gameplay
4:08 Collisions
4:28 Animation System
4:37 Hazards
4:55 Enemy Showcase
5:36 Enemy Code
6:45 Designing Levels
6:54 Level Loading (who cares?)
7:15 End Flag
7:28 Heart Collectible
7:34 Breakable Walls
7:45 Chests
8:04 Implenting Levels
8:23 Finishing Touches
8:45 Conclusion
--Music--
"Swing" - PolarChips ( • Nocturnal (8 Bit Jazz) )
"Breeze" - PolarChips ( • Breeze )
"Rocket" - Kevin MacLeod (incompetech.com)
"Glider" - INTL CMD ( / intlcmd )
"Operatic 3" - Vibe Mountain ( • 🎵 Operatic 3 - Vibe Mo... )
"Sneaky Snitch" - Kevin MacLeod (incompetech.com)
"il vento doro" - JoJo's Bizarre Adventure: Golden Wind
"Getting It Done" - Kevin MacLeod (incompetech.com)
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2 июн 2024

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Комментарии : 923

@ReeceGeofroy 3 года назад

I think we made something pretty cool here dude! String Quest will become the next big NES Exclusive 🤩😏

@hoopie7172 3 года назад

Epic

@PolyMars 3 года назад

easily the best game of 1985

@PolyWho 3 года назад

I gotta say, very impressive, I can’t even do that myself, Reece and PolyMars have great potential and I hope you two succeed.

@andy010 3 года назад

Did you say that because of PolyMars forced you? :D

@totallynottimo 3 года назад

There he is! Reece Geofortnite!

@vehicle1291 3 года назад

4:39 "Reece drew some spikes, and I made them kill you." So poetic

@Blasterpaster 3 года назад

i held my computer in the sky and cried because of how inspiring it was

@silkmothyy 2 года назад

wow i needed the subtitles thanks

@user-mv5ii8ml8j Год назад

@@silkmothyy lol

@TehVulpez 3 года назад

Everybody gangsta until the pixel t-pose starts bass boosting PolyMars out of his seat

@Maxixe-nn1sr 3 года назад

why stop gangstaing when the pixel tpose starts bass boosting PolyMars out of his seat

@Yuzuki1337 3 года назад

@@Maxixe-nn1sr For some reason my idiot producer brain thought you wanted to say "gainstaging" and wondered how you managed to mangle that so much 🤣

@Pizmos 3 года назад

@SamiTheAnxiousBean 3 года назад

"remember saying enjoying making games with limitations? well not with core" -Literally talks about one of the most restrictive modern game engines xD

@SamiTheAnxiousBean 3 года назад

@LeoGBA yeah I know you aren't really allowed to even criticise a product you're sponsored by most of the time Just thought it was funny

@miguelroldao6939 3 года назад

I think he was referring to the "enjoying" part

@marcobonera838 3 года назад

When he said that I thought : Well, he should have said " *just* like core"! 😂 Or, in a more LTT fashion: "and speaking of limitations, check our sponsor! Core!"

@darkhuntermini3034 2 года назад

Isn’t made in unreal engine

@celeste2991 2 года назад

i checked it out awhile back due to struggling with coding…but dude you can’t even import your own textures

@RugbugRedfern 3 года назад

1:20 aw man that hit me in the feels

@Maxb0tbeep 3 года назад

oh hi rug, didn't expect to see you here :)

@raphaelmorgan2307 2 года назад

he was such a baby 😭

@Anonimo-ue5pq 3 года назад

Polymars: Uses pygame, pico-8, unity, and SDL. Also Polymars: Hey Bruh, checkout Core.

@jebbediahkerman768 3 года назад

Why would he say no to free money?

@romanmyskovets4093 3 года назад

@@jebbediahkerman768 Hi Jeb. I thought I killd ya.

@wallabra 3 года назад

SDL is good. Pygame is not a very serious game platform so it kind of gets a pass, and I'm not very fond of Unity but I suppose it has serious use-cases. C++, on the other hand... Darn you Stroustrup. What did you do to my function pointers and my beloved structs?!

@octagonal8905 3 года назад

@@SimplyFizz Yeah the problem with python is that it's slow ...

@Meboy-uv5td 3 года назад

core, aka high end roblox

@Atellas 3 года назад

Pico 8 games have given me some of my favorite browser games. Cool to see you trying it out.

@dillongardner2070 3 года назад

Me too, some of my favorite games are made with pico-8

@codertommy6883 3 года назад

@LeoGBA wait w h a t

@codertommy6883 3 года назад

@LeoGBA no theres a celeste 2? where do i get

@theannoyedmrfloyd3998 3 года назад

The Atari 2600 has 128 bytes of internal RAM and addresses 4 k of straight ROM before bankswitching and no frame buffering. I never want to hear programmers saying Not Enough RAM.

@vlOd_yt 2 года назад

69 likes nice

@bland9876 2 года назад

There's an entire video by modern vintage gamer explaining why the switch doesn't have enough RAM for modern games.

@flintfrommother3gaming 2 года назад

@@bland9876 well it's not the problem of modern games tho, 4 gb of ram is not enough

@BrunodeSouzaLino 2 года назад

The 2600 had no gpu either. The CPU did everything.

@NaudVanDalen Год назад

And for some reason empty GameMaker games are 50 MB in RAM. Literally a black screen is 50 MB.

@tehbeanz5062 3 года назад

top tip for collisions in pico 8: in the tile editor you can assign flags to a tile, then use the fget (i think) function to get the tile flags and check if it has the set "wall" flag you put on it. Saves you having to make a manual tile map table for every level edit: lets go with those likes and that heart!

@tehbeanz5062 3 года назад

*this also works for spikes!

@PolyMars 3 года назад

oh cool! I saw you could add flags to sprites and didn't know what they were for, but that would've been a lot easier haha

@ThePolyEarth 3 года назад

Hello polymars

@tehbeanz5062 3 года назад

@@ThePolyEarth oh no

@amalirfan 3 года назад

@@ThePolyEarth cool logo ma'am, your moon looks majestic. I apologise if you're a mister :))

@_Fuscous 3 года назад

"The enemies all have something in common" *explains how they all have a position and all die when attacked by the player*

@raynfall77_69 Год назад

4:44 the code looks oddly like a gun... It was his subconsious mind reminding him what to do if Reece GeoFortnite didnt cooperate

@yalkn2073 3 года назад

Threatening people with a knife through a discord call. Surprisingly effective

@vedamaharaj 3 года назад

Can we get Dani? No we have Dani at home Dani at home: *but also talks about the code and is therefore superior*

@ollerius0760 3 года назад

YES I WAS ABOUT TO SAY THAT!! But I still like PolyMars

@vedamaharaj 3 года назад

@@ollerius0760 definitely yes

@vedamaharaj 3 года назад

@HeladeraDragon what do you mean by that?

@LYB4 3 года назад

@HeladeraDragon dani swears in his videos yet you say he targets kids

@dorito3366 3 года назад

@HeladeraDragon who

@aarghrai2697 3 года назад

0:55 Oh ya, Mars is gonna throw the knife through the screen to hit Geo.....

@bubbsesreload1070 3 года назад

7:23 that looks like a gun

@eiadithecoder620 4 месяца назад

I swear most of the code look like guns

@pedroff_1 2 года назад

As a modder that programs in Lua, yes, tables are basically a solution to everything! Especially using the self method, as I've seen you wisely have

@gaggerblank1554 2 года назад

__index is useful too and first class functions ;)

@rbarbeats Год назад

Lol roblox language

@Atomic_Radiation 10 месяцев назад

@@rbarbeats whats wrong with lua?

@CharlesShorts 9 месяцев назад

lol garry's mod MOD's language@@rbarbeats

@burgerfanman 3 года назад

Ah, convincing your friends just like Dani does.

@AidanTheBandit 3 года назад

They really do have a way with words

@geblordofchaos2965 3 года назад

With a K N I F E

@burgerfanman 3 года назад

@@geblordofchaos2965 shhhhhhhh

@nubbyboi6523 Год назад

@@AidanTheBandit I often find the words “I have your family” particularly compelling

@Basblueyiscool 9 месяцев назад

imagine making juno guys

@abigail.sullivan 3 года назад

I was too busy vibing to the music to pay attention to the enemies

@meteorchrome122 2 года назад

Jojo fan intensifies

@UndeadCollector 2 года назад

6:39 Sad Rock :[

@FatDevGames Год назад

1:30 PolyMars: Not that far back also polymars: *proceeds to go back further*

@blox6180 Год назад

poly mars is very friendly just look at his chat with reece! 0:50

@ixnoah 3 года назад

"use switch cases" "Its in Lua" "Oh, im sorry."

@AstroSamDev 3 года назад

Really cool video! I love the style of pico-8 games, and you made an interesting mechanic.

@Povilaz 3 года назад

For a game made in PICO-8, this is amazing! Now try to do Basic or even 6502 Assembly for the Commodore 64.

@stavros222 Год назад

Assembly x16 you mean? The one with instructions like sta, stx, sty etc.

@aalpha2530 Год назад

@@stavros222 I've never heard it called x16, but yes, that is the 6502 he's talking about

@TurboMakesGames 3 года назад

Really fascinating book recommendation for anyone who wants to learn more about retro game development is a book called "I am Error." The book goes into detail about how games were developed for the NES and how limitations were overcame with some really creative solutions. Another one I hear is good (but haven't read myself) is Racing the Beam which covers development for the Atari 2600. Anyways, cool looking game you guys, congratulations!!

@PolyMars 3 года назад

ooh those sound interesting, I'll definitely check them out!

@ThePolyEarth 3 года назад

Mars

@biz0unc3 3 года назад

You're super talented. I'm 38 and still feel so behind, but seeing this makes me want to get so much better.

@DigitalViscosity 2 года назад

Great job editing and putting together a great video, it was a pleasure to watch

@pixspaces4777 3 года назад

Fantastic work! Real good submission and great explaination.

@miwiki6 3 года назад

just from the title, i already knew that it was pico-8

@trinidad17 2 года назад

While PICO-8 is fun, it's a far cry from being anything close to old school game programming. Even when using new-ish game programming libraries like DirectX5 or 7 which have more graphically advanced features than the PICO-8, it was absurdly harder than this, no comparison at all. Something that is closer and can be done with current hardware is making games in something like an ESP32 or ESP8266 (if you're up to the challenge) but that would only give you a taste, and from there you could go to some 8 bit microcontroller, although that wouldn't emulate the quirks of dealing with custom graphics chips older games used.

@user-dw9ug1ni7w Год назад

the way you just inserted that sponsor was amazing

@tickogrey5846 2 года назад

3:20 Polymars realizing the magic of lua

@Sonictrainkid Год назад

that sound at 0:43 got me every time

@kaiser9321 3 года назад

I also remember making a game in 1985 using Lua

@PlaceholderAlex 3 года назад

this is a really cool and insightful style of video!

@thore27j.9 3 года назад

your videos are incredibly interesting ngl i really enjoy them

@creeperperson9019 3 года назад

i love how poly added giorno's theme in the video and it fits in so perfectly

@lucidattf 3 года назад

I loveeeee pico-8 it's absolutely incredible

@DiPietrantonioJ 3 года назад

Dude, your videos are awesome!

@k98killer 10 месяцев назад

"Rust is for embedded systems" rhethoric vs reality of a functioning retro game in Lua. This is pretty amazing.

@Hyperboid 3 года назад

not even april fools, just plain cool

@sillyultroid 3 года назад

me, a Lua developer, seeing someone not use metatables : 😭😭😭😭

@darltrash 3 года назад

Why would you? I have made entire engines in lua without a single metatable

@sillyultroid 3 года назад

@@darltrash well if you are doing a functional style then it's not an issue, but he is doing object oriented style so it will be a memory management hell

@darltrash 3 года назад

@@sillyultroid nah not really, you dont really need all that crap and consider this is pico-8 which was designed to have limited processing and memory, so normal tables are just fine

@craftyhamster6353 2 года назад

I love this channel yet it’s so underrated. I will watch your channel with great intrest, Or whatever it says.

@wolfqy1955 3 года назад

Awesome videos, keep it up!

@nextProgram 3 года назад

Nice video dude!

@NStripleseven 3 года назад

Pico-8 is a really cool ide-type thing (yeah idk what to call it) and I’m glad you tried it.

@FakeLLama23 3 года назад

Fantasy console

@giuca0023 3 года назад

Great video as always

@ThePolyEarth 3 года назад

Yes i agree

@jakobgii 3 года назад

1:52 *i can hear the people at roblox filing a lawsuit*

@starlii10 2 года назад

0:04 the left is a Dani reference OH YOU DON'T KNOW WHAT KARLSON IS? KARLSON IS JUST A LITTLE GAME I'M WORKING ON-

@sr.pedrodasdrogas5213 3 года назад

9:14 how do I play on my 3ds? I didn't find any button to download a .cia file on the game's page

@eiadithecoder620 4 месяца назад

... You just need a browser/pico8 emulator (And the card PNG is the actual game, yeah it's weird but pretty cool)

@hk5716 3 года назад

CONGRATS, on the sponsorship, I know I was a bit salty at you for being so successful while making ok'ish code, but it's much harder making good videos.

@robayethossain1376 3 года назад

Wow! Great stuff, dude! I wish I was like you 😭

@jaysolo8256 3 года назад

8:32 so the real ending was about myself and how I can be who I want to be? Evangelion Is a true beauty isn't it 😁

@jaysolo8256 3 года назад

If you saw this reply then *congrats*

@Zylops 3 года назад

Heyo! Whats that thing you guys used to like draw and plan stuff together?

@deliciouskromer 7 месяцев назад

I just wanted to point out, you could have used the second "joystick" that PICO-8 has for true 2-player. You can fork the project and make a copy with this mechanic.

@TylerGreen 3 года назад

This was such a cool idea for a video

@CodingWithBen 3 года назад

I’ve used pico-8 I genuinely enjoyed it lol. I like pico-8 for a challenge and I like unity for high quality games. Still waiting for core on Linux :P

@dot32 3 года назад

try love2D for higher definition games that are still written in lua! :D

@skytheminecrafter8457 3 года назад

Friendly chat? I died laughing 😆

@sangyoonsim Год назад

World’s Smallest Game Engine really needs some audience...

@PcKid90123 Год назад

i wrote this for u My grandpa fought in Game Jam II He was such a coder dude I can't even finish learning java Missed my Xbox, and left too soon His dad was a coder-man Who fought codes so violent I think I bored my trainer-man While playing him my games that's so insane (Oh, my God) that's such a shame Next to them, my games don't feel so grand But I can't help myself from feeling bad I kinda feel like two things can be coded (one, two, three, four) The world's smallest game engine Really needs an audience So if I do not find somebody soon (that's right, that's right) I'll blow up into smithereens And spew my tiny scratch knowledge Just let me play my game for you, you, you, you My grandpa fought in Game Jam II He was such a coder dude I can't even finish learning java Missed my Xbox, and left too soon His dad was a coder-man Who fought codes so violent I think I bored my trainer-man While playing him my games that's so insane (Oh, my God) that's such a shame Next to them, my games don't feel so grand But I can't help myself from feeling bad I kinda feel like two things can be coded (one, two, three, four) The world's smallest game engine Really needs an audience So if I do not find somebody soon (that's right, that's right) I'll blow up into smithereens And spew my tiny scratch knowledge Just let me play my game for you, you, you, you Somewhere in the universe Somewhere someone's got it better Wish that made it easier Wish I didn't feel the hurt The world's smallest game engine Really needs an audience So if I do not find somebody soon I'll blow up into smithereens And spew my tiny scratch knowledge All up and down a city street While tryna put my mind at ease Like finishing this melody This feels like a necessity So this could be the death of me Or maybe just a better me Now, come in with the timpanis And take a shot of Hennessy I know I'm not there mentally But you could be the remedy So let me play my game for you -DeclenTheGamer

@PolyMars 3 года назад

pico-8 is cool

@SpoiledBread24 3 года назад

Hi! Love ur vids

@ydertgf 3 года назад

@ambrosxa 3 года назад

good morning

@MagicCoder 3 года назад

U upload vid 3 mins ago, but u type dis comment 7 mins ago. How? Ur sis

@MagicCoder 3 года назад

I meant sus

@burningapparatus5211 3 года назад

when will we get rock for smash

@mohammadshaf4390 3 года назад

Dude love your vids

@nini2009ph 3 года назад

Im a big fan!! your the best

@rororowan 3 года назад

I haven't seen enough of the video to comment anything bUT IM DOING IT ANYWAY >:D

@Valenslays 3 года назад

how dare thy :0

@shadmilkgod7115 3 года назад

if core is so good why don't you use it...

@jumpergamer1913 2 года назад

To be honest, the game engine isn't exactly aligned with the *CORE* content of his channel

@DefinitelySpirit 3 года назад

i started watching your videos a day ago, epico

@heavencanceller1863 3 года назад

Loved the video!

@juanignaciosanchez2202 3 года назад

Simple and effective. Congrats!

@flankz2950 3 года назад

great vid keep it coming

@scottishcomedian1769 3 года назад

Dude, if you don't have another project in mind, might I suggest programing for the NES? I would love to see you do more 8 bit shenanigans

@matthewrease2376 2 года назад

"and when you collide with a wall, I check if it's a chest" Computer Science moment

@U20E0 Год назад

“then we fork the child”

@covid-21delta99 3 года назад

What courses did you learn to make these! Just found your channel, and I already subscribed! Please let me know which courses you did in order to reach this level. Will be extremely helpful :)

@MrHocotateFreight 3 года назад

0:30 "i suck at pixel art look at my garbage" *shows stylized pill doggo* bastards lied to me

@timecubed 9 месяцев назад

I love the "pigo-8" console and all the games for it. It's so cool

@TKG1353 Год назад

The worlds smallest game engine really needs an audience so if I do not find somebody soon

@TheShmous 3 года назад

Hi, I know that you will probably not answer, but who knows. Could you make a video talking about how you got to your level of programming? All the journey, courses, books or whatever, how did you learn everything that you know and an effective way of doing it. If you don’t wanna make a video about it, if you have time, I would appreciate text version of your answer. I’m just so hooked to programming overall, but I don’t know where to learn all this stuff, I’m just doing some courses, watching videos etc. Love your videos and thank you in advance!

@heizt_ 3 года назад

you need 10M subs ngl you are amazing

@matheo.pk_ Год назад

POV:you discovered PICO8 was not the mini celeste game

@DaniloGanzella 3 года назад

i think theres a line-circle/square collision function already, no need to loop though points. game looks rad! great job!

@digifox_ 3 года назад

New polymars video pog

@gm112 2 года назад

I love this. One day, you will be a big content creator. Keep on expressing yourself in your content; I really enjoyed how organized and to the point this video is. And its a ride that gives you a little bit of fun along the ride.

@nodonguy1228 Год назад

5:01 New Final Fantasy enemy roster looking good.

@Void_isnthere Год назад

The worlds smallest game engine really needs an audience

@billymays8864 3 года назад

bru i just subscribed a few minutes ago and already a new upload

@Forcoy 2 года назад

Yoo, pico-8 uses lua? Aight, time to make a game in pico-8

@grofy925 2 года назад

5:35 It's a rock *Patrick* "Yep, he's got nerves of steel!"

@setomari 3 года назад

I love your channel so much, and I’ve been trying to learn how to code in c++. I’m taking a course on RU-vid cause I’m broke, and I was wondering, have you used c++ in any projects? (Besides that alien one I think) If so, what exactly did you do?

@2kDVI 3 года назад

When polymars uploads a new video: *clicks fast*

@ethyn 3 года назад

Nice, I have a suggestion tho, WHAT IF YOU MAKE A GAME IN THE IPHONE SHORTCUTS APP

@inspectorgoaty4693 3 года назад

I started learning how to code so that I could make a game. At one point I just stopped wanting to learn. When I saw this video I don't know why but now I want to continue learning. Thx :)

@albertroswell 3 года назад

invite for next jam, I would love to go back to develop games, my big achievement was the first star wars game on mobile :), nice video! loved pico8

@muted766 2 года назад

Polymars starts threatning Reece. Me: idk why but i am suddenly thinking about Dani and Evan king

@armoredman6941 Год назад

When the most replayed part is immediately after the ad ❤️

@Zekium 3 года назад

TIC 80 fantasy console is cool too (despite taking too much idea from Pico 8). BTW, at 8:12, you mentionned writing in code the coordonate of player spawn and enemy original position : wouldn't be easier to just use the tilemap for that?