[Citadel]: PVP Sandbox Flying simulator.
https://youtu.be/gm_eiMVTFGoBut what is Citadel? Citadel is an MMO-like RPG with PVP and sandbox elements.
Some screenshots (this game looks ridiculously good.)
Traverse giant landscapes filled with monsters and animals which you can slay to fill up your arsenal. Plunder ancient ruins and find special artifacts of power.
Cast spells, wield giant weapons, and special melee gauntlets. Craft potions of flight, and other awesome consumables.
Join factions and PVP against other players for territory. Build houses an giant castles, then destroy Waring factions' buildings with weapons or telekinetic powers.
Tame monsters and beasts to ride, fly, or fight for you. You can tame giant beasts and keep them in castles to fight for you when you are being attacked.