Download: Client Alpha v0.28. SHA1sum: e355d07398a72ac7cffe994bcc484247d85a072a

Requires HL2 with HL2DM to play. Once you've installed HL2DM, then download and place AoA in your Half-Life 2 SourceMods directory.

If you just want to play the game, you only need the client download listed above. There are different steps for downloading the AoA server.

Site hosts: You may mirror the client files. However you must send a note indicating you are doing so.