Killzone: Shadow Fall's multiplayer is is going to be free during a one week trial period in March.

Guerrilla Games made the announcement today, and will occur right before the launch of the first map pack on March 4. On March 3 at 8 p.m. ET, owners of the PS4 can download Shadow Fall from the PlayStation Store.

"To celebrate the imminent release of our first Free Map DLC on March 4th, we are making the acclaimed KILLZONE SHADOW FALL multiplayer available for FREE to all Playstation® 4 players for a week, starting 3rd of March 5PM PST. Best of all, you will not require PS PLUS to play the Free Access client this week!" wrote Killzone on their blog.

Important to note is that the single player version will not be on trial unless the gamer already owns the game.

"For this free multiplayer access week, we are prepping special Warzones for you to play the just the new maps, and compete on global leaderboards for Capture and Team Deathmatch game modes. All clans, including trial players, will be eligible for prizes in the Clan Community Challenge," wrote Killzone on their blog. "There will be Warzones for those that enjoy the up close and personal touch of smaller skirmishes as well as those of you who want the epic scale of 24 player games. Additionally, our top players will be streaming Clan Battles; you can find the link to the streams in-game."

Killzone is currently a PlayStation exclusive.