Tripwire Interactive has announced that the free booster pack for "Red Orchestra: Ostfront 41-45" is now available.

"For all those who have already bought Ostfront, you will find that Steam will update you automatically. For all those who haven’t got the game yet – you will be able to try the full game for free, starting next week – Wednesday 2nd August. The free period will run all the way through to Monday 7th August to give everyone plenty of time to try the game out, including the new free content.

As a quick recap, the Booster Pack includes one full new map (Lyes Krovy), smoke grenades and changes to the tank reloading system and map victory conditions. Previous free updates have included new weapons and many other player-suggested tweaks to the game."