Tibia, a 28 year game just add support for cryptocurrency.
While being one of the first MMORPG games in the game industry, in a pixel art open world full of quests and opportunity to grind exp, gear and farm in-game currency, this game despite having simple graphics and game play have been survived for almost three decades in game industry.

The game also accounts for a numerous character building mechanics, with plenty of choices on character development, and although until recently you could only pick one from four game classes, now you is also able to play the new Monk class.
The other classes are as follows: Knight, Paladin, Sorcerer and Druid.
The game also receives periodical updates since it's release, and with that said it's almost 30 years of updates made by it's company, CIPSOFT.
Recently, players received the capabilities to convert in-game currency Tibia Coins on it's own ERC20 cryptocurrency TIB, the Tibia Tokens.
Players can them farm resources in-game and buy or sell this exchangeable currency. You can find more info about it here.
Now days you are also able to buy and sell characters on the game bazaar for Tibia Coins that can directly be converted for it's game cryptocurrency.
The game is free to play, with a generous VIP system.
Hope you guys enjoy.