GOG
1448462883 Blue Max: Aces of the Great War AR, AU, BR, CA, CN, FR, GB, ID, IN, JP, KR, NZ, PH, PL, TR, TW, USSteam
app/1782070 Blue Max: Aces of the Great War AR, AU, BR, CA, CN, FR, GB, ID, IN, JP, KR, NZ, PH, PL, TR, TW, USsub/639663 Blue Max: Aces of the Great War AR, AU, BR, CA, CN, FR, GB, ID, IN, JP, KR, NZ, PH, PL, TR, TW, US