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Proelium Altis

Download and play, solo or with friends.

Dive into different challenges with features never seen before in Arma 3. Take on objectives and challenge yourself, your friends, and foes alike.

Featured in

• Year In Arma 3 2024[arma3.com]
  
• Community Radar #49[arma3.com]
  
• Community Radar #51[arma3.com]

Scores, statistics, achievements, and more.

Explore unique elements created from scratch to balance both fun and realism. To learn more, take a look at the list below and the game log.

• 1-4 Players: 10+ missions and sub-missions featuring unpredictable twists.
  
• Action Rating: Rates player conduct and applies 40+ bonuses or penalties.
  
• Stat Tracking: Tracks 60+ stats, rewards 20+ achievements like kill streaks, etc.
  
• War Reporter: A reporter may follow, judging actions and affecting the score.
  
• AI Medic: Autonomously treats wounded from its own and other teams.
  
• Support Options: Unique recruitment plus Medevac, Recon, and more.
  
• Wanted List: Allows identification and tracking of civilians on the wanted list.
  
• Lurking Threats: Bombers, ambushes, landmines, and other deadly risks.
  
• Realistic Events: Enemies surrender, dead taken to base, civilians react, etc.
  
• Performance Focus: Lean setup runs only a few scripts simultaneously.
  
• Immersive Effects: 500+ voice lines, sounds & visuals from Arma directory.
  
• Gameplay Features: Multiplayer pause, medical system, and much more.

Not designed for dedicated or JIP.

Developed for vanilla Arma 3, using entirely custom code. Mods not listed may cause issues or interfere in ways not immediately clear.

Creator DLCs

• Western Sahara & Reaction Forces
  
• Expeditionary Forces

Mods

• RHS (AFRF, GREF, SAF, USAF)
  
• RDS Civilian Pack
  
• Multi-play Uniforms & TAC VESTS
  
• VSM All-In-One Collection
  
• Military Gear Pack
  
• Spec4Gear.v4.6
  
• Project BJC - PMC Uniforms
  
• Foxtrot Paramilitary Gear Pack v2
  
• Gear Collection / DELTA
  
• L3-GPNVG18 Panoramic Night Vision
  
• TPNVG – True Panoramic Night Vision

Volunteer-led localization efforts.

Non-English versions are partial and being developed. New translators are always welcome and encouraged to actively contribute.

• English (Official)
  
• Français
  
• Italiano
  
• Русский
  
• 简中/繁中

Useful resources and information.

Join us on Discord, explore the wiki, and check out tutorial videos from community members. Your support and participation are appreciated.

• Discord[discord.gg]
  
• Proelium Wiki[proelium.fandom.com]
  
• Tutorial video (2025)
  
• Tutorial video (2024)
  
• Patreon[www.patreon.com]

Arma Public License No Derivatives (APL-ND) No redistribution or commercial use allowed. [www.bohemia.net]