Tibia is a 2D MMORPG which only has combat skills and fishing that's all which makes the game not well known like Runescape that's why that game is not well known.
although it is not well known but it has a great number of people playing it from all around the world which makes tibia a game where you could never be alone but there is a problem with tibia , it lags allot for wireless internet users which makes it annoying if you are getting pked.
Tibia has PvP servers and non PvP servers which means that in PvP servers you can get pked just any where except in safe areas and the safe areas are not everywhere which makes it easy to get pked at anytime and non PvP servers are so crowded which makes it lag a lot and so slow
The combat skills in tibia are shielding, Fist fighting, club fighting, sword fighting, distance fighting, and the only skill which is fishing.
there is four vocation which are paladins ,knights ,druids ,sorcerer and each one has his advantages and disadvantages.