A US billionaire who made his fortune selling popular digital video games has discovered the real thing in South Africa – diving with pyjama sharks and sardines.
Portal: Unity Reboot, remade for the Portal 2 game engine. The maps have been polished/remade/heightened to higher quality and mechanics have been shifted to the more stable Portal 2 equivalents.
Portal: Revolution is a free-to-play mod that chronologically takes place before the events in Portal 2, in an environment the team describes as the dead and decaying.