HL2RP based on Half Life lore and focuses on a strong role-play environment, with various factions and rules to abide to. 

RolePlay game in HL2 universe

A Human female Jedi Master and historian, Kreia wished to gain a full understanding of the Force, but her unconventional and novel approaches—including her training of the Jedi Knight Revan, who turned against the Jedi and founded a new Sith Empire—prompted a perturbed Jedi Council to exile her from the Jedi Order. Kreia's quest indeed led her astray; she sought contrast with the Jedi ways by opening herself up to the dark side of the Force.

Leader of Sith Triumvirate

While being part of the Combine Overwatch, Civil Protection officers are ordinary human volunteers who have "willingly" joined the Combine. Civil Protection officers joined either for more privileges, such as additional food, better living conditions, rewards for completing objectives and tasks (including "non-mechanical reproduction simulation"), an increase in authority and status over others, or out of genuine sympathy and identification with the Combine's aims.

