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Cart #si-1 | 2020-01-05 | Code ▽ | Embed ▽ | License: CC4-BY-NC-SA
TO LOAD THIS CART into pico-8, type in immediate mode:

load #si

See source-code full of remarks detailing what is happening.

This is my entry into this week's 🍎Applecart series.

The premise is simple but the gameplay is challenging.

You are given 15-missiles to shoot into the UFO in the sky. But your missiles do not just shoot straight out. They take a moment for the rockets to really get going so you'll need to predict where the UFO will be when your missile hits.

And the UFO does not take a straight course either and can change direction in a moment's notice. However the UFO does not take into account the missile's location.

It's up to you to rid our skies of these out-of-this-world visitors, and you only have 90-seconds in which to do it !

Classic start simulates a real Apple ][ computer complete with floppy-drive booting sounds.

Get 50-points for each UFO shot and lose 10-points for each time you miss.

Get through the game and see your final results.

Controls are MOUSE to simulate Apple's Paddle Zero and LEFT button to simulate Apple's button on the paddle.

P#71780 2020-01-05 18:15 ( Edited 2020-01-05 18:23)


i really like the way u made the missile loft in trajectory.. superb work as always.


2 stars 4 u.

P#71785 2020-01-05 21:49 ( Edited 2020-01-05 21:52)
:: dw817

Two stars ! My, thank you, @chizel9000. How did you pull that off ?

P#71786 2020-01-05 22:02 ( Edited 2020-01-05 22:05)

Wow, really challenging! The slow acceleration of the missile and the unpredictable speed of the saucer are keeping my score well below zero. Couldn't play with sound on (sneaking a play at work lol) but will do so later. Great work!

P#71794 2020-01-06 18:29
:: dw817

Well thanks much, @Nosnibor28. You're the one that raised the roof on this cart. Wow !

But yes any chance I get if I wind up writing a game, I try to make it an intellectual challenge.

In this case you would swear that UFO is deliberately avoiding your missiles, but nope ! It's all random. And there are patterns to learn that will help. :)

Thanks for commenting.

P#71817 2020-01-07 17:05 ( Edited 2020-01-08 04:00)

Love the Apple II touch on it!

P#71850 2020-01-09 16:48
:: dw817

Yep. If it wasn't for the fact the Apple was so hard to program in (line-driven IDE), I might've kept it longer before going to Commodore Amiga.

I remember asking the dealer how you programmed in Amiga Basic and he said you type the code and use the ARROW keys to navigate between lines.

That's what sold me.

Dad ? He saw a 3D demo of a robot walking a dog and decided this was the computer for the future.

Thanks for the feedback, @BGelais !

P#71856 2020-01-10 16:42

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