Odyssey was originally prototyped on the popular Unreal Engine, from Epic Games Inc., but Blizzard executives decided to switch, in part, because it wouldn’t support their ambitions for vast maps supporting up to 100 players at once.
Blizzard instead directed the Odyssey team to use Synapse, an internal engine that the company had originally developed for mobile games and envisioned as something that would be shared across many of its projects. But that led to significant problems as the technology was slow to coalesce, and Odyssey’s artists instead spent time prototyping content in the Unreal Engine that they knew would have to be discarded later, said the peop
When the Microsoft acquisition was finalized, some Blizzard staff were hopeful that they might be able to switch back to Unreal Engine rather than trying to finish the game on Synapse. In an interview at BlizzCon in November, Ybarra said that their new parent company would offer them the freedom to use the technology of their choice without having to go through the board of directors as in the past.
“The tech leaders will decide what the engines are,” he said.