gplanarity software package provides simple puzzle game involving untangling planar graphs, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gplanarity
gplanarity is installed in your system.
Make ensure the gplanarity package were installed using the commands given below,
$ sudo dpkg-query -l | grep gplanarity *
You will get with gplanarity package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Games |
| Package | gplanarity |
| Version | 17906-1 |
| Description | simple puzzle game involving untangling planar graphs |
| Sub Section | Games |