Assassin’s Creed - Assassin’s Creed is a best long running and extremely popular series of open world video games which mixture of action, adventure and more importantly stealth into a single experience.
Black Desert Online - This Korean developed MMORPG offers a dynamic, action-based combat system in a richly developed fantasy setting.
Dishonored 2 - Dishonored 2 is an Action-Adventure, Stealth, First-person, Exploration, Combat and Single-player video game developed by Arkane Studios and published by Bethesda Software.
NosTale - NosTale (The Tale of Nomads of Silver Spirit) is a totally free MMORPG that includes simple (but beautiful) graphics and also lots of class options.
The Saboteur - The Saboteur mixes in the regular setting that many open world action adventures travel to simply by using a World War II theme instead.
Runescape - RuneScape is 3D Action-Adventure, Massively Multiplayer Online, Role-playing, Fantasy-based and browser-based video game developed and published by Jagex.