Arma 3 is Bohemia Interactive's military sandbox, released for PC in September 2013 and still being updated more than a decade later, with game update 2.20 arriving in 2025. The base game is set in 2035 on the Mediterranean islands of Altis and Stratis. Later terrains such as Tanoa, Malden and Livonia, plus a line of Creator DLCs, took it as far as Vietnam, Cold War Germany and the Second World War.

What really keeps Arma 3 alive is its community. Nearly every serious group runs its own server with its own mod pack, and those servers range from hardcore simulation to roleplay towns. Picking an Arma 3 server is really picking a community and a way to play.

A Sandbox for Every Kind of War

Arma 3 gives you huge terrains, realistic ballistics, everything from quad bikes to jets, and an editor with almost no limits. Zeus, the game master mode, lets one player build and steer a mission live while others play through it. On top of that sits the Steam Workshop, where mods such as ACE for medical, ballistics and logistics, radio mods like TFAR and ACRE, and large unit and vehicle packs turn the game into whatever a community wants.

That is why the server list holds such different things: a milsim unit running a two-hour operation with a full chain of command, a King of the Hill server with nonstop fighting around one town, a Life server where you drive a taxi and stay out of the police's way, and survival servers where you scavenge for every bullet.

What to Look For in an Arma 3 Server

The Game Mode

Know what you are joining. Milsim communities run scheduled operations with roles, ranks and training. King of the Hill is fast, persistent team fighting over a single objective, with unlocks you earn over time. Life servers such as Altis Life are roleplay towns with jobs, gangs and police. Survival mods like Exile drop you on a map to loot and build, and co-op campaigns such as Antistasi or Liberation let small groups fight a long war against AI at their own pace.

Mod Pack and Download Size

Modded servers publish their mod list as a Workshop collection or a launcher preset, and a full milsim pack can run to tens of gigabytes. Check the list before joining, keep it updated through the launcher, and make sure your PC can handle the extra content. Servers with lean mod packs are much easier to try for a single evening.

Commitment and Attendance

Milsim units usually expect you to attend training, show up for scheduled operations and follow orders on comms, and many have an application process. Public servers let you drop in whenever you like. Choose a level of commitment you can actually keep, because units notice who stops turning up.

Rules, Admins and Anti-Cheat

Arma 3 uses BattlEye, but public servers still need admins who deal with team-killing, griefing and cheaters fast. Life servers live or die by their staff, since every dispute between players needs someone to settle it. Look for published rules and a Discord where admins actually answer.

Performance, Region and Language

AI-heavy missions and big player counts drag down server frame rates, which shows up as AI that freezes in place and vehicles that warp. Good servers watch their performance and restart on a schedule. Check the region for ping and the language used on comms, since many communities are national, with German, Czech, Russian and other units running servers of their own.

Getting Started

Decide which Arma you want: a slow, organized operation, a quick public fight or a roleplay town. Install the required mods through the launcher, read the server rules and join the Discord before you play, since most communities organize everything there. If you choose milsim, attend a newcomer training before your first operation. The ranking below lists the Arma 3 servers players vote for here. Vote for the server your unit plays on - rankings start again every month, so the list reflects which communities are active now.