Awesome
Project X
A open-world survival roguelike-like game written in C++ inspired by Neo-Scavenger
Webpage: https://dvolk.github.io/project_x/
Build instructions (Linux)
$ sudo apt-get install g++ make git pkg-config liballegro5-dev \
liballegro-image5-dev liballegro-ttf5-dev liballegro-dialog5-dev \
liballegro-audio5-dev liballegro-acodec5-dev
$ git clone https://github.com/dvolk/project_x
$ cd project_x
$ make
$ ./project_x