Naghni 0.1

A breath-taking side-scroller focusing on round lifeforms

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GPL v3 
Niels Serup
ROOT \ Games \ Arcade
Naghni is a simple side-scrolling arcade game written in Python and PyGame. You are a round creature whose purpose is to fill empty holes with matter, thus closing them. It matters greatly to your round friends that you do a job well-done, because if you don’t, they’re all going to die!

If you want to save the naghnies (for that is the name of the people), you should not hesitate to play Naghni. You will be their Saviour, their Hope, their Light in the darkest of times.


Naghni depends on PyGame 1.8.1+ for graphics and sound. To install PyGame, do one of these things:

 * For Debian etc.: type apt-get install python-pygame
 * For Fedora etc.: type yum install pygame
 * Get it at

Optional extras

If present, Naghni will also use these Python modules:


 Web address:
sudo easy_install setproctitle


 Web address:

 sudo easy_install termcolor

Way #1

Get newest version of Naghni at

Extract the downloaded file and run this in a terminal:

 sudo python install

Way #2

Just run this (requires that you have python-setuptools installed):

sudo easy_install naghni


When Naghni has been installed, you can run it from the command-line like this:

 naghni [options]

naghni has several options. Run naghni --help to see a list of them. Most of them can also be changed in-game.


All special aspects of Naghni will be explained in-game. Do not worry.

For developers

Naghni uses Git for branches. To get the latest branch, get it from like this:

git clone git://

Naghni is written in Python and should be relatively easy to integrate into other programs.

Designing levels

To define the look of levels, Naghni uses a special naghni-level-defining text file format. As any geometric figures in Naghni are automatically generated at random, you need only worry about the lines and the holes, as well as a few additional minor, easy, things. The format is quite simple, and it looks like this:

gravity is GRAVITY
begin at POSITION
level is next

LEVELNAME is a text string.

GRAVITY can be expressed as a number. The higher the number, the stronger the force of gravity. In Naghni, gravity alwals forces you down, never in any other direction. That would just be confusing.

POSITION consists of two numbers separated with a comma, e.g. 0,0. All positions are virtual --- 0,0 does not necessarily mean 0,0 in the game window. Also, y-coordinates increase when you go up. So, in effect, 0,100 is above 0,-50.

There are several OBJECTs. There's the hole, a line, a Bézier curve, and so on. Each object have different arguments. Here's a list:

hole POSITION SIZE(number) DENSITY(number 0.0 -- 1.0)
`- creates a hole, sucking away your matter

line POSITION_start POSITION_end
`- creates a simple line, i.e. something you can roll on

bezier POSITION_start POSITION_end POSITION_middle
`- creates a quadratic Bézier curve

In a future release, more features may be added. Nevertheless, this should be enough. In another future release, an actual graphical designer may appear, though that's not ecxactly high priority right now.

Last updated on August 22nd, 2010


#side-scroller game #arcade game #arcade #side-scroller #game #lifeforms

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