GW2 utilizes GW1 engine with few modifications - Havok was used to provide 3d rag-doll animations. Over last 12 years they did all sorts of small upgrades pushi

GW2 utilizes GW1 engine with few modifications - Havok was used to provide 3d rag-doll animations. Over last 12 years they did all sorts of small upgrades pushing a little bit into modern times - 64bit client was released (or rather had to be) and they moved from DX9 to DX11