By applying a newly developed two-step mesa structure consisting of the first inner mesa with partially thinned p-GaN layer and the second outer mesa etched to n-GaN drift layer, the high avalanche ...

Black Mesa is unique in all of gaming history in that it’s a fan-remake of the original 1998 Half-Life that Valve has actually allowed to be sold as its own full game. That’s unheard of!

The well-preserved remains of the old city include, in particular, a large bridge over the Guadiana, an amphitheatre, a theatre, a vast circus and an exceptional water-supply system. It is an ...