crimson software package provides hex-based tactical game, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install crimson
crimson is installed in your system.
Make ensure the crimson package were installed using the commands given below,
$ sudo dpkg-query -l | grep crimson *
You will get with crimson package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Games |
| Package | crimson |
| Version | 0.5.2-1.1 |
| Description | hex-based tactical game |
| Sub Section | Games |