The Tribe is a tactical hardcore runner made of a branching story, resource management and environment interactions – all on the run. The game's playthroughs consist of runs and events.
Runs are what the Tribe is about dynamically: tribesmen make their way through the unfriendly wilds encountering a quick river, a herb, a human and a beast of various danger. You play around encounters, splitting and uniting the tribe, arming it properly, making sure your people are alive and your food is in stock.
Please mind the fact that this really is a runner (of no sort you've ever seen, though) – there's no stopping till the sun drops and the run ends.