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I am trying to make an unmovable actor (for example, a turret). Ie, the actor collides with other actors, but it is not pushed around.

If I set the actor to not collide with anything, it will not move, but it will also not block other actor's path.

If I set the actor to collide with other actors, It will be pushed around. I tried setting the actor's Density, Gravity, and Friction at around 255, but then I have this weird behavior where if the player
touches the actor, the actor will move 1 voxel TOWARDS the player.

Am I missing something obvious?


P#60615 2019-01-06 06:47


I am trying to access the Lua scripting abilities of 3.5, but I have no idea how to open the script editor.... I am pretty sure I must be missing something super basic.

I open the designer in Voxatron, and then create a new cartridge. I get the volumetric display with nothing in it, and I can even add one of the two pre-made scripts to the middle of the room, but I have no idea how to open these scripts for editing, or how to create a new one.


P#60315 2018-12-24 13:57

Cart [#54184#] | 2018-07-15 | License: CC4-BY-NC-SA | Embed

This is a quick and dirty cart exploring some AI methods for boardgames in pico8.

The implemented AIs are:

1- Purely Random
2- Random Avoiding win/loss moves
3- Playing randomly a number of times, counting win/losses and choosing "best" moves
4- MCTS (Monte Carlo Tree Search)

(Method 3 can be thought of as an MCTS of depth 1)

You can switch the AIs that the game uses by changing the AI_cofun table. Player_AI just
let's the player pick the move. You can make two AIs fight each other, or make two players
fight each other too.

It was pretty cool putting the AI co-routines together. The code is not the pretties or the most
token efficient, but I might polish it a bit if I find some time on the summer. Hacks are welcome!

P#54185 2018-07-15 09:34 ( Edited 2018-07-15 13:36)

Cart [#47087#] | 2017-12-05 | License: CC4-BY-NC-SA | Embed

Hello everyone!

This is a small project that I have been working on the past two weeks -- an idle wallpaper/clock for pico-8. Just adjust the window to an appropriate size, make it stick above other windows, and leave it in the corner of your desktop while you work :-)

The position of the sun and moon are set according to your computer's clock, and the color of the leaves and the snow in the mountains are adjusted by your computer's date. You can use the in-game menu to adjust the time manually, if you wish.

Additionally, there are 11 "events" to give the mountain view some charm, such as children playing in the village, or a monster terrorizing the forest. 3 events are chosen randomly at start-up, and these are changed every 5 minutes.

Anyone is welcome to contribute more events to the cart!


P#47090 2017-12-04 21:10 ( Edited 2017-12-05 10:43)

Cart [#42958#] | 2017-07-31 | License: CC4-BY-NC-SA | Embed

Game for the Ludum Dare 39 -- Theme: Running out of Energy

The shy gladiator has to defeat three mythical creatures, but he is too embarrassed to attack,
so instead he must dodge their attacks until the monsters lose all their powers.

You can move left or right, and dodge with "Z". Dodge will give you a few invincibility frames, but also
take some hit points from you.

Can you defeat all three monsters?

Game by @caranha and @conanfelipe


  • Better title screen that actually explains the game;
  • Better logic for the Cyclops, and calling out attacks;
  • Balance the damage amounts better;
P#42872 2017-07-29 07:58 ( Edited 2017-08-03 04:25)

Cart [#41553#] | 2017-06-12 | License: CC4-BY-NC-SA | Embed

I always wanted to make a virtual fish tank with agents to keep at the corner of my screen while I worked.

This cart is the result of some procastination this week. Just look at the fish swim, and relax.

Suggestions of things to add to the fish tank are welcome! Sprites are even more welcome! I'm a shoddy sprite artist.

Also, on linux it seems that Pico-8 gets super slow when its window is not on focus. Does anyone know a workaround?

EDIT: New version, with sharks and octopus.

Cart [#41040#] | 2017-05-27 | License: CC4-BY-NC-SA | Embed

P#41041 2017-05-27 05:27 ( Edited 2017-06-13 04:57)

Cart [#35159#] | 2017-01-07 | License: CC4-BY-NC-SA | Embed

My first complete PICO8 game, for the Ludum Dare 37.

A small twist on the "factory" genre, you have a limited time to
play, and must make as much money as possible in that time.
What is the optimal build order?

If you enjoy this cart, submit a screenshot with your highscore! :-)

2016-01-08: v1.3.1 -- Fixed menu bug, added bignum, super-buffed sandwiches
2016-12-25: v1.3 -- Rebalanced costs, added two new items, added overwriting
2016-12-19: v1.2 -- Changed the input, added some messages
2016-12-12: v1.1 -- Initial ld 37 version


  • Add Music
  • Modify the Graph to be log-based
  • Challenge Modes: Blocked tiles, unique machines, free build mode
  • Improve sprites and add tile variations
  • Figure out why the game is getting slow

Older versions:

Cart [#33330#] | 2016-12-11 | License: CC4-BY-NC-SA | Embed

Cart [#33632#] | 2016-12-18 | License: CC4-BY-NC-SA | Embed

Cart [#34111#] | 2016-12-25 | License: CC4-BY-NC-SA | Embed

P#33331 2016-12-11 09:08 ( Edited 2017-01-18 22:41)

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