World of Warcraft veteran says to expect “difficulty spikes” in his new MMO: “RPGs are better when they are a little difficult, and I think that goes doubly true for MMOs”

Concept art showing flowing mountains in an upcoming MMO codenamed Ghost.

World of Warcraft veteran Greg Street says you can expect his upcoming MMO – currently codenamed Ghost – to have "difficulty spikes even in the open world." 

Street has taken to Twitter to muse over how difficult an MMO should be to strike the right balance. Spoilers: he's a fan of something that offers a bit of challenge.