Tribals.io is a survival and base-building .io game: you gather resources, build and fortify a base, and contend with other players doing the same thing nearby.
Building and raiding compete for the same time, which is the core tension — a base worth defending took hours you weren't spending on the walls.
Yes — you share a persistent world with other players who can raid your base, which is what makes the building decisions matter.
Yes — tribes are the point of the name; allying with other players is far safer than going solo.
Yes — a light .io game with nothing to install.