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Cart #12878 | 2015-08-22 | Code ▽ | Embed ▽ | No License
13

Explode each other in ballistic tank-on-tank combat!

Controls:

  • arrows to aim turret, move tank, and select weapons
  • x to change mode between aim/move/select
  • z to fire when in aim mode

About the game:

I've spent the last two days working up something I've wanted to do for a long time: a little homage to the greatest competitive ballistics PC game ever made, Scorched Earth.

And so: Scorched 8!

Right now the basic game stuff is there: random terrain, gravity, wind, a variety of munitions, murdering your friends, bleep bloop sound effects, etc.

There's a lot more that could go in -- terrain style selection, tank shields, gravity for dirt, weapon buying at round/game start, war/death cries, etc -- but I'm pretty happy with this as a skeleton. There's enough there blow each other up with already, at least.

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3 comments


I keep seeing tweets with URLs to cartridges that I should check out. I'm super lazy so I wrote a tool to download the cart automatically.

Should run on any Linux and probably OSX:

#!/usr/bin/env perl

use strict;
use warnings;

use feature 'say';

use HTTP::Tiny;
use File::Path 'mkpath';
my $ua = HTTP::Tiny->new;

my $re = qr{
   <a \s+ href=/(bbs/cposts/[^>]+.png)>\n\s+
   <b><font \s+ color=\#ff0080 \s+ size=3>(.+) \s+ (.+)</font></b></a>
}xi;

my $res = $ua->get(shift);

if ($res->{content} =~ $re) {
   my ($url, $name, $ver) = ($1, $2, $3);

   my $dir = "$ENV{HOME}/.lexaloffle/pico-8/carts/dl/";
   mkpath($dir);

   my $path = $dir . lc $name . '.png';
   say "Downloading $name v$ver Cart to $path";

   $ua->mirror("https://lexaloffle.com/$url", $path);
} else {
   die "Could not find game data; are you sure it was a valid URL?\n"
}

[ Continue Reading.. ]

7
9 comments


Cart #12907 | 2015-08-23 | Code ▽ | Embed ▽ | No License
5

Generate some random drum beats. Press Z for a new one. They are saved as sfx 0 on the cart, in case you get one you want to use somewhere else. Based on ideas from this.

I hope to add more complex and longer beats.

Added a menu with some different generation algorithms. Mutating creates a beat that changes a little at regular intervals. Sometimes it uses some non-percussive sounds, which is a bug, but I have not been able to track down the cause.

Cart #12872 | 2015-08-22 | Code ▽ | Embed ▽ | No License
5

5
1 comment


Cart #12865 | 2015-08-21 | Code ▽ | Embed ▽ | No License
8

Trying out PICO-8 by making a platformer, inspired in several ways by IWBTG fangames like I Wanna Go Across The Rainbow. There are a few things I'd like to tweak in the engine and the current level design is more of an afterthought, but I don't have the time to really polish this right now. Also, I wasn't able to get a preview image to work due to a bug where I couldn't save a cartridge after running it. Hope you enjoy!

8
4 comments



So this is the first "game" I've made in Pico-8. It's a game I'm working on as a warm up for Ludum Dare so it is mainly an exercise to become familiar with Lua scripting, the sprite editor, etc. Still heavily a work in progress, I just wanted to post it to see it run in the browser. Feedback is appreciated.

Things that aren't done:

  • Start Screen
  • Player Collisions
  • Extra Enemy types
  • Stars in the background
  • Music
  • Scoring
  • A whole lotta other stuff

Also, as an aside, that number in the corner is the number of planets in the planet array (It was used for bug testing, forgot to take it out).

1
0 comments




Cart #12858 | 2015-08-21 | Code ▽ | Embed ▽ | No License
1

About as simple as it can get.

Shoot with X
Move with the arrow keys

1
0 comments


Cart #14827 | 2015-10-02 | Code ▽ | Embed ▽ | No License
19

Cart #13002 | 2015-08-24 | Code ▽ | Embed ▽ | No License
19

Cart #12850 | 2015-08-21 | Code ▽ | Embed ▽ | No License
19

I decided that PICO-8 needed a nyan cat, so I made it. I still have to finish the cat part of nyan cat, but that'll come when I get home and have some decent tools.

Music courtesy of Juju

19
12 comments


Cart #27071 | 2016-08-19 | Code ▽ | Embed ▽ | License: CC4-BY-NC-SA
107

Hello,
this is my first try at Pico8 with a simple shoot'm up
inspired by a submission to @pixelsweekly

Finally, i got back to 194-8 !
lots of new stuff in this build so i decided to jump to 1.0

Controls:
-Arrows to move
-X to Fire
-C to shoot big Lazor (the bottomleft jauge replenish when you catch pink globe)

changelog 1.0:

  • lots of cleaning in the code (i'm sure a lot more can be done)
  • boss battle with intro, music & attack pattern
  • ennemies lifebar
  • catching yellow orb while already at full health will boost your main gun up to 4 times
  • lots of new ennemies and they now spawn in some pattern
  • after each boss you continue the game with tougher opponent, and a new color palette
  • your ship now fly faster when not firing
  • the overall difficulty is ranked up

previous versions:
[hidden]

Cart #12846 | 2015-08-21 | Code ▽ | Embed ▽ | License: CC4-BY-NC-SA
107

Cart #13233 | 2015-08-28 | Code ▽ | Embed ▽ | License: CC4-BY-NC-SA
107


changelog 0.2:

  • added player collision and life
  • improved title screen
  • put the right title -_-' it was 190-8 before ...
  • added trail and engine FX
  • added ground tower firing at the player
  • added some new tiles and longer background loop
  • added special power on C

Cart #16000 | 2015-10-29 | Code ▽ | Embed ▽ | License: CC4-BY-NC-SA
107


changelog 0.3:

  • New "Lantern Games" Splashscreen
  • Replaced the "nuke the screen" power with a big lazor
  • Added pink collectable that recharge the lazor
  • Added gold collectable that give health or more lazor if your health is full

Cart #16600 | 2015-11-13 | Code ▽ | Embed ▽ | License: CC4-BY-NC-SA
107


changelog 0.4:

  • Title screen rework
  • SFX for Lazor
  • cleaner lazor beam
  • yellow powerups now increase your fire rate if your health is already full
  • Score screen with cartdata support for highscore
  • smoke trail when you're or the ennemies are near death
  • more FXs
  • more BG environment
  • fixed the fact that turret bullet can kill the ennemies
  • boss arts done but not used ingame

[ Continue Reading.. ]

107
20 comments


Dream is being made. Focus is on a metroid-ish map, needing you to revisit areas to utilize newfound abilities. Also, hounds. Lots and lots of hounds.

1 comment


Cart #12825 | 2015-08-20 | Code ▽ | Embed ▽ | No License
1

A simple snake game.

1
3 comments


Cart #15379 | 2015-10-14 | Code ▽ | Embed ▽ | No License
111

Controls
Arrows - Movement
Z - Hold and release to make sounds. The longer it's held, the louder the sound
X - Move silently

This is a demake of our game Dark Echo (Steam, iOS, Android). You are trapped in a world of absolute darkness and can only see via visualized echolocation.

Known issues:

  • You may occasionally walk through a wall. If you get stuck, try and find the exit from outside of the level - bonus feature!

[ Continue Reading.. ]

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18 comments


Note:
This isn't a forum post saying "OMG PUT PICO-8 ON STEM NAOW!!!!", but rather a post on whether or not to do so.

This question was going to get asked eventually, so I thought I might do it.

Other engines, such as Game Maker have made it on Steam, so why not PICO-8?

PROS

  • Would get more attention
  • Steam Workshop could make it easy to get games
  • Steam Discussion is pretty useful
  • Paid games

CONS

  • CoD Children might show up and say "THE GREEFICS LUK STOOPID"
  • Valve gets a 10% cut of the profit (They're not bad people)
  • The BBS would be useless as a result
  • Again, Valve gets a cut

Think it over, but I could go either way...

4
18 comments


Cart #15158 | 2015-10-09 | Code ▽ | Embed ▽ | No License
8

A little game that is based on Zep's demo Jelpi. Using Jelpi's platforming code I reworked it to make a 2 player chasing game. Player 1 (the robber) has to collect all the diamonds before player 2 (the cop) catches them.

I have played around with the level layout to try to make it a bit easier for player 1, but I think it is still a bit easier for player 2.

Please let me know what you think! and I hope you enjoy it

(the gif was made with just me playing with two hands so it plays a bit weird)

1.4
Gave robber the ability to head butt the cop of they are standing still to prevent the cop camping on the last diamond
Changed end game text to say 'Press Z to restart' instead of 'Press button to restart'

1.3
Added new player graphics
Added more sparkles
Changed end round sequence slightly
Modified sound effects
Removed music

1.2
Added some new graphics (background and items).
Added player scores.
Fixed issue with player landing inside a platform (hopefully).
Fixed issue with music not starting again on new game.

1.1
Fixed bug with walking through screen edges on middle platform.

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5 comments


The string to number conversion code is sometimes setting the least significant bit erroneously when it converts negative numbers.

For example: "-1"*1 should and could exactly equal -1, but it does not, it equals (-1 + SHR(1,16)). This is vexing to the kind of programmers like me who like to use -1 as a special value...

BONUS WEIRDNESS: It doesn't always set it on negative numbers. In fact it seems like the pattern is if the number could be exactly represented, the LSB is set, whereas if the representation is already inexact the LSB is the same as the non-converted version.

So "-0.5"1 == -0.5+SHR(1,16) (not desired), but "-0.2"1==-0.2

(This function was useful looking at this...)

function bits(n)
 local a,s
 a=shr(1,16)
 s=""
 for i=0,31 do
  if band(n,shl(a,i))==0 then
   s="0"..s
  else
   s="1"..s
  end
 end
 print(s)
end
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2 comments


Cart #12769 | 2015-08-18 | Code ▽ | Embed ▽ | No License
1

I seem to run up against the limits of mathematical precision. :|

1
2 comments


Hi guys, I just discovered PICO 8 recently, and got really thrilled about it, as I always wanted to make some games, and looks quite easy to work with.

Thing is, I have no idea of programming; do you think I can learn while using it? or should I get some notions first? any reccomendations?

Thanks a lot!

5 comments


Technical Side of Things
To run PICO-8 games, I'd imagine the system would be a Linux machine, with a customized OS that only has the dependencies, a theme that looks VERY similar to the PICO-8 start-up screen, and doesn't show output.

(Just a thought) All it would need are the dependencies required to run PICO-8, and a small amount of flash storage that holds the system information (saying this is a well-hacked up version of Linux), along with the PICO-8 software.

Outer storage would probably be best accomplished by an SD Card slot (or a Flash drive, if you wish). The outer storage would be used to hold the games (and I guess also update the firmware), but what should we do if there isn't one detected? We could either run one of the Demo games (kinda like the Sega Master System, but not hidden), or just show a screen that says "No SD Card found!".

Console Design
There are quite a few Microconsoles out at the time of this writing that look just like slabs of black plastic. LAME!

[ Continue Reading.. ]

4
87 comments


Hi there,

I can't find any information about config.txt
Which commands does it support ?
What is the format ? Lua ?
Should it be put in the root directory ?

Any help appreciated, and sorry if I missed the related article :p

1
4 comments


The following code runs fine:

function _init()
  local array = {}
  for x = 1,8192 do
    array[x] = {}
  end
  for x = 1,8192 do
    foreach({},nil)
  end
end

If I change the foreach line to

  foreach(array[x],nil)

I get an out of memory error. This suggests to me that indexing the array allocated memory. The memory appears to be garbage collected eventually; if I use a smaller array and put the code in _update, I don't see any error.

0 comments




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