PC shooter ArmA 2 gets a massive Christmas update today encompassing all expansions and DLC, Bohemia Interactive has announced.

New additions include an FXAA anti-aliasing mode for Operation Arrowhead, alongside a number of performance tweaks and bug fixes.

See a list of selected highlights below.

Bohemia's FPS originally launched to critical acclaim back in 2009 - see Eurogamer's ArmA 2 review for details. A sequel is due out some time in 2012.

Operation Arrowhead patched to 1.60

• New features: FXAA Anti-Aliasing mode, user-definable memory allocators, new scripting commands, new commandline options
• Multiplayer is much smoother, no more warping, includes a number of fixes, optimizations and improvements
• Netcode, VON and dedicated server fixes plus configuration additions in place
• Singleplayer received visual states smoothing and prediction (notable e.g. on distant units)
• AI is improved, especially (but not only) in combat, AI has received numerous bug fixes
• Aircraft & Helicopter simulation received slight improvements
• ARMA 2, ARMA 2: OA, ARMA 2: EW campaigns and stand-alone missions received special treatment to get rid of most annoying bugs
• Numerous other small bugs/glitches fixed

Arma 2 patched to 1.11

• Numerous bug fixes, multiplayer code tweaks and mission fixes
• ARMA 2, ARMA 2: OA, ARMA 2: EW campaigns and stand-alone missions received special treatment to get rid of the most annoying bugs

Arma 2: Free patched to 1.11

• MP Code brought into line with Arma 2 for compatibility

BAF patched to 1.03 and PMC patched to 1.02

• Several stability and game saves fixes as well as mission tweaks, also new BAF missions included.