I have released a stable version of my Allegro 5 game, Skyline! It is a remake of Missile Command, with new features like shields, lasers, and spread missiles. There are new city backgrounds as well.
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See the webpage for Skyline here :
http://members.allegro.cc/EdgarReynaldo/Demos/Skyline/Skyline.html
And download the new version from BitBucket here :
https://bitbucket.org/bugsquasher/skyline/downloads/
EDIT
Small update for a bug. A NULL pointer crash occurs if you don't select a city. This bug is fixed now. Re-download from the same link.
Nice work on the game! Seem nice from the screenshot! Although I have not yet managed to compile for linux.
It would be nice if you made a demo video.
One tip: separate both branches into 'master' and 'debug'. At least to separate in a branch what works and in another branch what you are modifying. 
Looks awesome. Good job!
Building on Linux should be as easy as something like this :
git clone https://github.com/liballeg/allegro5.git Allegro52X git clone https://github.com/EdgarReynaldo/EagleGUI.git Eagle git clone https://github.com/EdgarReynaldo/Skyline2.git Skyline sudo apt-get install liballegro5-dev libphysfs-dev cd Allegro52X mkdir build cd build cmake-gui .. make -j 8 install cd ../../Eagle mkdir build cd build cmake-gui .. make -j 8 install sudo ldconfig cd ../../Skyline mkdir build cd build cmake-gui .. make -j 8 install
(I am testing it now on Ubuntu 18.04)
When you have free time, i should inform you of all compilation errors, so we both fix it in real time.
rmbeer2$: I'm fixing the bugs now.
UPDATE
All the bugs are fixed now. Eagle and Skyline should build easily on Linux now.
TOPIC 0 TOPIC 1 TOPIC 2 TOPIC 3 TOPIC 4 TOPIC 5 TOPIC 6 TOPIC 7 TOPIC 8 TOPIC 9 Failed to find Allegro5 driver in library system map. Attempting creation. EAGLE_CREATE : Creating Allegro5System object 'A5SYS' at 0x55d2616d5e00 with eid 2 EAGLE CRITICAL : Allegro failed to initialize. EAGLE ERROR : Critical exception. Excepción de coma flotante (`core' generado)
Works on Mac! But I had to mangle your CMake files (I always struggle with CMake, it's horrible)
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@Peter Hull - thanks! Thanks for trying it on a Mac 
I'm interested in seeing your changes to CMakeLists.txt . I'd be glad to patch them in if they are clean enough.
Fork SKYLINE and send me a PR if you like.
Looks like you could stand to shoot some missiles.
Question - did the sound effects work? Were there annoying missile entry, launch, and explosion sounds?
i can run SkyLine! \o/
It is a good game, although I have a problem with the size of the window, it is too big for my screen. Also the explosions collide with any bullet, which even collides with mine, trying to explode the enemy bullets there comes a time when my own explosions explode the city more and more to the center, and I have to wait for it to dissipate before firing again. .
It is difficult to try to shoot at the precise moment and time. :S Although this is good, it is the difficulty of the game.
Whether you win or lose is determined by the damage the city takes? Because I have destroyed my own city and I have won the same anyway.
EDIT:
Lasers are a cheat! I can sweep the area by creating a wall and easily blowing up all the missiles, although the speed of the machine drops drastically.
It's 1280x800. All I had time to program in for now. I can add in different sizes later.
The lasers are very powerful, but there are ways to make them less so. I can adjust the difficulty of the game any way you want using Config.txt.
EDIT
Actually, you can change fullscreen from false to true and set the screen size in Config.txt