Here a very brief description of a couple of missions/mods:
King of the Hill - Fast paced TvTvT, trying to get and maintain control of a city. Switches between cities and day/night upon every round start.
(Do not require any downloads of mods/addons)
Atlis & Stratis Wasteland - A mix between survival and doing randomized missions, group up with others or play as a lone wolf.
(Do not require any downloads of mods/addons)
Chernarus Wasteland - A mix between survival and doing randomized missions, group up with others or play as a lone wolf.
(Require downloads of mods/addons found at
www.a3cdn.com)
Capture the Island - TvT, trying to get and maintain control of several capture points. Switches between capture points and day/night upon every round start.
(Do not require any downloads of mods/addons)
BECTI - Slower paced TvT with AI included, trying to capture and maintain control of cities on Altis.
(Do not require any downloads of mods/addons)
Different Life mods - Role playing, cops/civilians/rebels.
Breaking Point - Very much like DayZ but as a mod.
(Require download of mod)
Battle Royale - Hunger games style. 30-64 players drop from a plane and try to be the last one standing.
(Require download of mod)
Zeus - Mil-sim with objectives and challenges as you go, created by one player who acts as Zeus.
(Do not require any downloads of mods/addons)