TwoMammoths was founded in 2014 by two brothers: Piotr Turecki (programmer) and Marcin Turecki (artist). Archaica: The Path Of Light is the debut game by the brothers and is being developed based on an original engine. Studio operates in Krakow (Poland).
Short gameplay video of John Romero - DOOM and QUAKE designer - playing ARCHAICA at Digital Dragons 2016.
It was nice to talk to him about the game.