Experience the brutality and randomness of war as an Allied tactical commander in the Pacific Theater during World War 2. Train, equip, and command a squad of soldiers as you fight against the fanatical Imperial Japanese Empire.
All Reviews:
Positive (49) - 87% of the 49 user reviews for this game are positive.
Release Date:
Oct 19, 2017

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Early Access Game

Get instant access and start playing; get involved with this game as it develops.

Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“Releasing on Steam Early Access allows us to gauge players' feedback, which provides invaluable insight on what needs to be done with the game. We believe developing games is an iterative process, in which each iteration of the game is shaped by feedback from actual players. We hope to add as much content as we can, in order to provide the ultimate experience in unfair, random, brutality that Mud and Blood 2 players have come to love.”

Approximately how long will this game be in Early Access?

“Skirmish Line will be developed until we are satisfied with the product. We estimate the early access period to stretch roughly 6 months, but development time may vary wildly.”

How is the full version planned to differ from the Early Access version?

“We will continue to add content to Skirmish Line over the course of Early Access. In addition to polishing the game, we hope to add more enemies, more units and equipment, holiday events, and continue to develop Campaign mode.”

What is the current state of the Early Access version?

“The current version of Skirmish Line has two polished game modes: Arcade mode and Classic mode, along with a very basic Campaign mode. The game is fully playable, with medals and achievements available.”

Will the game be priced differently during and after Early Access?

“We may adjust the price accordingly, depending on the amount of new content and features added.”

How are you planning on involving the Community in your development process?

“Community feedback is very important to us. We hope to incorporate our players' feedback, adjusting the difficulty, fixing bugs, and adding interesting content for our players to enjoy. To this end, we will be active on the Steam forums, reading as many posts and comments as we can. In addition, we have an official wiki for players to contribute articles and guides.”
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Recent updates View all (26)

June 25

Build 0.854 Mechanic Rework: Fog

After much feedback, we have decided to rework the fog weather effect. While we are generally happy with the weather system, in how it affects the player's defenses and decision-making, we have agreed with the playerbase that fog offers little in terms of counterplay compared to rain and monsoon.

To this end, we wanted to further emphasize that fog obscures vision, creating disorientation amongst soldiers. Fog now further decreases soldier's sight ranges, but enemy support units will attempt to advance forward. This will prevent the build up of large concentrations of enemy support units in the rear lines, giving shorter range weapons and mines a greater role in the player's defenses.
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June 20

Build 0.85 Steam Cloud Save and Midsummer Event!

Steam Cloud save added! Please be sure to load the game on your primary account first. Your save should be uploaded to the Cloud once you have played through one game.

Midsummer event active! Send home 20 soldiers with at least 50 experience in Defense in Depth and Sector Defense missions to unlock a special structure!

-ANZAC Commandos are now available as a Requisition order again!
-ANZAC Commandos are now armed with Gammon Bombs (AT Grenades)!
-Reworked AT Grenade logic. Soldiers with AT Grenades are now smarter when it comes to when to throwing their AT Grenades.
-Decreased scatter on AT Grenades.
-Decreased damage radius and hit damage on AT Grenades.
-Enemy Officers are now more likely to deploy smoke grenades.
-Enemy Officers spotting now indicates the number of units spotted.

Defense in Depth and Sector Defense
-Top secret prototype weapon requisition order added!
-Increased the base success chance of Immediate Support request from 1% to 4%.
-New Immediate Support response: ANZAC Recce Squad!
-Increased number of paratroopers from SNLF air assaults.
-Added a stronger infiltration team for tunnel networks on wave 75+.
-Paramarines drops now deploys between 4 to 6 paratroopers.
-Adjusted requisition point gain from Defense in Depth and Sector Defense missions.
-Decreased price of M19 Duster from 240 to 225.

Bug Fixes
-Bomb duds from the Loose Bombs challenge now have the proper explosion type.
-Fixed a bug where a soldier being sent home would count as being MIA.
-Fixed a bug where Flametroopers would continue firing their weapon despite being engaged in melee.
-Fixed a bug where multiple artillery strikes could be called on by selecting a supply crate order during an active strike.

Hotfix 0.851
-UI hotfixes.

Hotfix 0.852
-Sarge can no longer be Sent Home.

Hotfix 0.8521
-Fixed a hotkey issue.

Hotfix 0.8522
-Fixed an issue where the Summer event reward option was available in the menu prior to unlocking it.

Hotfix 0.8523
-Adjusted Immediate Support chances.

Hotfix 0.8524
-Fixed another graphical mishap with the Midsummer Medal.

Hotfix 0.8525
-Adjusted casings and magazine scaling to be slightly smaller.
-Fixed an issue where engineers would attempt to perform their passive ability when retreating or at the next position.

Hotfix 0.8526
-Flametrooper deployment should now properly be available at 2nd Lieutenant rank.
-Fixed an issue where enemy officers would ignore camouflage when spotting.

Hotfix 0.853
-Decreased price of Special Forces training from 30/45 to 25/40 in Defense in Depth and Sector Defense.
-Special Forces training no longer grants experience bonuses.
-Slightly increased AT grenade throwing chance on ANZAC Commandos.
-Slightly increased transparency on Bypassed Enemies UI icon.
-Slightly reduced spawn rate of enemy vehicles.
-Adjusted sprite layering of muzzle flash and flame shots.

Hotfix 0.8531
-Enemy Officers will no longer count wounded, dead, or unconscious soldier when spotting.
-Fixed an issue where the Type 98 Autocannon's base would not fade away properly.

Hotfix 0.8532
-Fixed a bug that was preventing ANZAC Recce squads from being selected for Immediate Support.
-ANZAC Recce squad's Commandos have been modified to deploy with Owen Guns instead of Silenced Sten Guns.
-Increased price of ANZAC Commandos from 60 to 65 Command Points.
-Increased number of supplies dropped from Immediate Support from 4-6 to 5-7.
-Increased morale of Raiders from 35-80 to 40-85.

Hotfix 0.8533
-The Quartermaster and Command menus can no longer be accessed after the game is over.
-Base dying time increased from 30 to 35 seconds.
-Flamethrowers now deal double morale damage.
-Increased burst on M19 Duster from 8 rounds to 10 rounds.
-Reduced armor piercing value of Type 98 Autocannons from 20 to 15.
-Decreased price of Mines from 14 to 12 Command Points.
-Decreased price of AT Mines from 5 to 4 Command Points.
-Decreased price of Smoke Grenades from 2 to 1 Command Points.
-Decreased price of Airdropped Mines from 28 to 25 Command Points.

Hotfix 0.8534
-Implemented keyboard shortcut for Windowed mode in the menu scene.

Hotfix 0.8535
-Implemented keyboard shortcut for Windowed mode in the game scenes.
-Fixed a bug where the player may select vehicle/emplacement units while in the Quartermaster, which would bug out the menu.

Hotfix 0.854
-Enemy support units will now move forward during the foggy weather.
-Increased sight range reduction from fog from 22.5% to 20% of normal vision.

Hotfix 0.8541
-Fixed some sprite overlapping issues.
-Fixed an issue where vehicle crews would leave their vehicle to advance during fog.

Hotfix 0.8542
-Suicide Bombers will no longer charge and stand next to unconscious soldiers.
-Fixed localization issues for Korean text for SNLF specialist troops.

Hotfix 0.8543
-Reduced starting enemy escalation variable for Random Squad deployment from 4 to 2.
-Reverted Smoke Grenade price change back to 2 Command Points.

Hotfix 0.8544
-Limit on Command Point bonuses from Officers and Signalers have been reduced from 20 times Wave Count to 15 times Wave Count.
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About This Game

As an Allied tactical commander in the Pacific Theater, you are in charge of fending off the fierce Imperial Japanese military whilst adapting to an ever changing environment. Build trenches, call in artillery, upgrade your squad, and lead them to victory.

Skirmish Line is a Mud-and-Blood-like game, taking core fundamentals such as as a bird's eye view camera, semi-autonomous units, and heavy randomization. Skirmish Line aims to deliver an updated playing experience, featuring new mechanics and content. Both fans of Mud and Blood and new players alike will find the game challenging as they face off against the fanatical Imperial Japanese army, featuring a host of exotic weapons, vehicles, and of course, the infamous Banzai charges.

Skirmish Line is a brutal and difficult endless defense game featuring three modes:

Defense in Depth
Defend three positions in succession against the relentless Imperial Japanese Army. If the enemy overruns, you will retreat to the next position. Should you find the enemy assaults too overwhelming, you may manually fallback to the next position. Do you retreat in order to preserve the lives of your men, or do you put up a determined defense in order to hold valuable ground?

Point Defense
For a more traditional experience, Point Defense is stylized after Mud and Blood 2. Advance forward to find favorable terrain or to gain valuable command points to spend on new soldiers, weapons, and defenses. But be careful, there is no retreat, no fallback positions in this mode!

Campaign Mode
Build and manage your own squad in a persistent campaign, spanning multiple missions. You will be pressured by the overzealous theater commander to succeed on your missions at all costs, pitting the lives of your men versus the mission's objective. As you progress, you will be sent on more dangerous missions. Use your renown as a field commander to purchase powerful upgrades in order to keep your squad alive and to complete the mission.

NOTE: Campaign mode is still under active development. We will be making extensive changes on this feature during Early Access.

Ribbons, Medals, and Rank
Complete extraordinary feats to earn ribbons and medals. Each ribbon or medal offers benefits to your squad. Gain access to special weapons, soldiers, and new tactics as you rank up.

Official Wiki
We understand that Skirmish Line can be a very difficult game. We have an official wiki for players to share their knowledge.

Official Disclaimer
Skirmish Line takes direct inspiration from Mud and Blood 2 but is not an official Mud and Blood game nor is it affiliated with that of its primary creator, Urbzz. For the official series, check out the Mud and Blood Network!

System Requirements

Mac OS X
SteamOS + Linux
    • OS: Windows Vista or greater
    • Processor: Dual Core CPU @ 2.0GHz
    • Memory: 1 GB RAM
    • Graphics: GeForce 7800, AMD HD 4600, Intel HD Graphics 3000 or above
    • Storage: 500 MB available space
    • OS: OS X 10.10+
    • Processor: Dual Core CPU @ 2.0GHz
    • Memory: 1 GB RAM
    • Graphics: GeForce 7800, AMD HD 4600, Intel HD Graphics 3000 or above
    • Storage: 500 MB available space
    • Processor: Dual Core CPU @ 2.0GHz
    • Memory: 1 GB RAM
    • Graphics: GeForce 7800, AMD HD 4600, Intel HD Graphics 3000 or above
    • Storage: 500 MB available space
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