To check your java version:
This should result in something like:
It is recommended that you install java version 1.7.0_07 or higher however, so always keep you Java version up to date.
Find yourself a friend! Yes, got one? Good!
In Windows you should be able to start the game by running the bat file.
In Linux you should use a command like:
To play, you need at least two players. One of them will be the server and host a game, while the others join in. The server needs to make sure he has the network ports mentioned above open. The server can select the map and decides when the game will start.
Other players will have to fill in the IP address of the server to join. If you’re unsure what your IP address is, the guy being the server can check his IP address on a site like: http://whatismyipaddress.com/ All well and good and you’re in a lobby with chattering people? Good, now you can decide who you will play, each map has a set of predefined factions, you can select what colour you want, who’s team you’re on and with the agreement of the others with how many marine points you have to spend, or how many blips per turn you can insert.
Ingame players can move the map with their middle mouse button and dragging the screen. Zooming can be done with the mousewheel.
Marines start by placing a marine on a starting position, the triangle in the right of the map on the example map (the icon for this can be different in others maps). Once placed, he can be given an initial rotation with the arrow keys and finishing with the Finish rotation button. Once rotated, the marine can be moved around the map by clicking nearby tiles with the mouse button.
Once your turn is done you can press the End Turn button and the next player will start his turn.
Attacking and opening doors can be done by clicking upon the enemy or door once you are in range.
Other keys that are usefull are: