Kal online not many players play it and new aren't going to play it but still it has
Duel-Ask someone for duel
Assassin-Put assassin mask on and kill everyone everywhere except in safezones.
Triangulare battles-Registering for tournament.
Castle wars- Defend/Attack Castle - Install flag-Win
Protecting leader-Two guilds fight each other; one is left with the task of defending their own guild leader while he prays. There are a total of three rounds. If a leader is killed, or the round ends, the roles are then reversed and the defenders become the attackers.
Suffering Valley-Two guilds must fight monsters to gain points, higher level monsters are worth more points. Killing opposing players also rewards your team more points. The team with the most points after 1 hour is declared the winner.
Destructing Key Points-The goal of this mode is for two teams to destroy towers. After three small towers are taken down, the giant tower can be destroyed. The team who has killed the most opposing players and destroyed the most towers wins.

So yeah so many pvp options,but game in wrong hands.