- Added achievements
- Bugfixes
CLIMB HIGHER AND HIGHER!!! WHAT COULD BE UP THERE? NOBODY KNOWS... DO YOU THINK YOU CAN CLIMB HIGHER THAN THE OTHERS?
Left and right arrows (or left and right directions on D-pad) let you move left and right.
'Z' (or the o button) lets you jump, double jump, wall jump, dive and if you're close enough to a ball, platformize that ball.
This game is a sort of draft for the fuller HIGHER CLIMB which will be out in Winter 2016! Stay tuned for that by following me on Twitter!
I did a spaceshooter and documented the process in 16 gifs.
See an overview of all 16 gifs at once. And start each gif as a step by step tutorial.


OVERVIEW
Alpha Strike is a shoot-em-up in the classic NES style. Shoot your way through 5 levels, destroy everything that moves and save the world from danger!
CONTROLS
D-pad / arrows - movement
(X) / X - shoot bullets
Every 10000 points net you an extra life.
Collect powerups to enhance your weapon.
When you die, you lose your weapon.
When you get a game over, you can use one of the 2 continues.
CHEAT CODES
Use only if you want to ruin your fun!

FIRE!!!
When I hear the word FIRE (all caps necessary) I always think of Captain Kirk at the end of Undiscovered Country:
And it's now time to make our hero ship fire it's own weapons. In this case we'll start with lasers and go from there. Thinking to have some type of bomb/missile to add a little extra kick to our plucky hero.
Plucky, ya definitely plucky!
Adding the Sprite
In this case the sprite is borrowed again from Cave Berries. Except the color is going to be changed up to green and dark_green.
I created a simple alternating green/dark_green pattern on the edge of the 8x8 sprite position. This will match up with the "top" of the hero ship's "laser pylons".
[h2][b]Finding Help
Hey there, this is a game made by Ian and I for the "A Game By It's Cover" jam.
Play it on itch.io
Changelog
2016-08-21: fixed PocketCHIP crash (with help from @morningtoast)
2016-08-15: updated menu navigation
2016-08-12: fixed random palette bugs

I just got a Pimoroni Picade, an arcade mini-cabinet for use with small board computers like the Raspberry Pi. It's a great match for PICO-8!
See also a short video I posted to Twitter.
The cabinet is $240 / £180, not including the Raspberry Pi and power supply. The cabinet goes together with a screwdriver (no soldering) and is fun and easy to build. (Be sure to refer to the assembly video in addition to the written instructions.) The result is solid and gorgeous.
I used a RaspPi 3 for my Picade. I strongly recommend the USB audio adapter that Adafruit sells, a major improvement in sound quality over connecting the Picade speakers directly to the RaspPi headphone jack. RaspPi 3 has built-in wireless Internet, but if you're using an older model you'll also want a RaspPi-compatible USB wifi dongle.

Hello guys! I recently got a copy of Pico8 and this is my first creation.
This is still at the very basics.
What the game will be:
A robot fighting game where the fighting program is randomly generated and then using genetic programming, modified to get stronger fighting algorithms.
Each robot will have a battery, 3 types of weapons, a heat gauge, and damage gauge.
Each robot will also have a 64 instructions program.
A program instruction will be simple commands like:
- move
- wait
- shoot
- repair
etc.
The robots fight automatically without player intervention but I am still thinking what kind of player
interaction to make, maybe sending some support items to your robot mid fight.
What is implemented for now:
A robot with battery, heat, damage, ammo. The robot program can have N instructions (locked at 64 for now).
The implemented instructions are:
move, wait, shoot
Only one type of weapon is implemented right now.
At the beginning of a fight each robot gets a random program and they fight until someone's damage reaches 100%.
Todo:
Implement more instructions
Implement more weapons
Implement genetic evolution for the robot program.
Better graphics
More particle effects
Stage with obstacles
Sound FX
Music
Title screen

UPDATE!
PX8 has been replaced by PX9: https://www.lexaloffle.com/bbs/?tid=34058
But I'll leave this here for reference, and for existing projects using PX8.
This is a library mostly for compressing graphics and maps, but can also be adapted to compress sfx. It is designed for data-heavy carts and requires around 450 tokens for decompression, although this can be reduced if needed by removing remap(), hard-coding parameters, and/or removing predicted spans at the cost of compression performance. If someone wants a smaller/weaker version, let me know!
To use it, compress a 2D rectangle to an address in memory, and supply a function for fetching the source values (normally SGET or MGET). For map data, you probably want to set p.cbits to something like 4 first.
Making Exhaust Look Good
Using a straight up sprite for an exhaust trail didn't look that cool to me. Similar space shooter games have different ways of animating fire/exhaust coming out of a ship, but I really like the "sparkly" effect in games like Cave Berries when the eye laser hits something.
Brief flashes of bright pixels are surprisingly satisfying...
Sidebar... a little Refactoring
Before we jump into exhaust awesomeness I want to send a big thanks to @morningtoast and @Connorses for some great feedback on my last post. morningtoast suggested to assign "attributes" to a Lua Table when it's declared very similar to JavaScript, Ruby, etc. So the hero statement becomes:
hero = {
x = 58,
y = 100,
sprite = 0,
}
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