Players on opposing teams try to capture certain predefined points of interest in a game environment in a certain preset order.
Advance and secure was first introduced in the game Joint Operations: Typhoon Rising.
[1][2] While advance and secure is somewhat similar to Battlefield game series Conquer game mode, it does naturally promote more teamwork and strategy compared to Battlefields more open ended Conquer mode.
Community made Project Reality modification for Battlefield 2 have its own modified version of advance and secure game mode.
One difference is that part of the zones can be randomly chosen at the start of the round, which add replay value to maps.