Install the demo -it works. Then install the full game Arma Tactics you own. Go to the Arma Tactics demo folder and copy all the files and folders, then paste them over the full Arma installation that you own -say yes to overwriting all files. Try the game it should launch now with the demo level the only thing playable and the rest locked. Go to the full (Arma Tactics) games steam properties and validate the files, it will download files etc Launch the game again and the demo/Buy logos are gone and you s...

The game won't start. every time I launch the game a black splash-screen with white text pops up saying the following: (ERR_REGISTRER_EMPTY). It tells me then to try and reinstall the game but i already tried it and it still doesn't work. Anyone got a clue on why this happens and how to fix it?...

because there's no multiplayer it's almost 2014... why play against AI when you can play against REAL..I.. just seems stupid to make games without multiplayer especially when it's a style game that lends itself perfectly human vs human gameplay.

Install the game normally from STEAM. When the installation is finished, go into the STEAM/Common folder where the Arma Tactics installation folder is located, enter the Arma Tactics folder and launch the Arma executable in ADMINISTRATOR mode. Please note that after installation, this launch of Arma Tactics must be the very first time. If by mistake you launch Arma Tactics from Steam and it doesn't work, and then try this solution, it will always give you the same error. It is NECESSARY that you launch thi...

The grenades thrown, mine kills, and flash bang achievements dont work. Nearly all of the other Achievements only showed up after i had finished a trainingscamp mission. Its weird. I really enjoy the game, so please fix this .