Shadowgrounds

Home: https://github.com/vayerx/shadowgrounds
Inspiration: Shadowgrounds: Survivor
State: beta, inactive since 2017
Keyword: remake, content commercial, original required
Code repository: https://github.com/vayerx/shadowgrounds.git (@created 2011, @stars 53, @forks 17)
Code language: C++
Code license: Custom (NC https://github.com/vayerx/shadowgrounds/blob/linux/LICENSE.txt)
Developer: Alexander Richardson, Jan Šimek, Radegast, Vasiliy Yeremeyev

Content license?

Building