Battle Brothers is a challenging turn based strategy RPG mix for PC, Mac and Linux. The gameplay is inspired by such classics as X-com: UFO Defense and Jagged Alliance. It is being developed by Overhype Studios and is entering Early Access on April 27th 2015.
You take on the role of a leader of a band of mercenaries and adventurers on the hunt for treasure, fame and legendary artifacts. As you journey onwards, an epic scale invasion unfolds that leaves nothing but burning rubble in its wake. You and your Battle Brothers emerge as the people’s last hope to unravel the source of the invasion and strike at its heart. Will you turn out to be an able commander using cunning tactical outfits to emerge victorious, or will you fail miserably sending your men into a futile bloodbath? It is up to you, but be careful – every decision matters.

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Blog RSS Feed Report abuse Latest News: Dev Blog #43: Introducing the Event System

1 comment by JaysenBattle on Jun 26th, 2015

Dev Blog #43: Introducing the Event System

Time sure flies by fast! It’s been a full month now since we announced that we’d go full time and needed some weeks to get everything sorted out. While we took care of business and set up our new workspaces, we were also featured on the Steam Summer Sale for a day. Yay!

We’re happy to let you know that we’re now back in the saddle again. Both Christof (the programmer) and Jan (the manager) have moved to work full time on Battle Brothers. The last of the bunch, Paul (the artist), will join us mid-July. Development pace should now pick up again.

As previously announced, the first item on our roadmap is the introduction of an event system for the game. Today’s update to the game adds just that, so let’s take a closer look...

The Event System

Managing a mercenary company is not an easy thing. Not only do you need to command your men in battle, now your leadership skills are tested outside of combat as well. It’s easy to forget at times that the little guys you control are supposed to be humans. As humans, they sometimes have their own agenda, they have strengths and weaknesses in character, they may change with time, they may quarrel or bond with each other, and they’ll come to you with requests. While traveling on the worldmap, a lot can happen, much of which we can now convey to you with events.

event system battle brothers

To kick things off, we’ve added 47 events to the game. These include things that you can just stumble upon while traveling the world, some things that require you to be at certain places, as well as things that require characters of certain backgrounds or traits in your party. Some backgrounds may not play well together, and some may have advantages or disadvantages also outside of combat. What choices you have available at events may depend on what characters you have, and the outcome of your choices may differ as well.

Those 47 events are pretty much a vertical slice of what we want to ultimately achieve with the events, showing a bit of everything. Some events are comprised of only a single scene, some are quite complex and contain a dozen different scenes. It’s not nearly enough events yet to cover everything, of course, but we intend to add a lot more as we go along to make for a varied and reactive experience. Keep in mind that as everything else in this game, the event system is in Early Access too, and not finished. Once we add additional mechanics in the future, such as player reputation in the world, we’ll also weave this into the event system to trigger different events depending on your reputation, and to allow for events to change the reputation you have.

Note that you do not have to start a new campaign to have events in your game, your old save should load just fine. However, you’ll get the most out of the events with a new campaign.

Character Moods

Together with the events we also implemented a ‘mood system’ that tracks a mercenary’s current mood on an individual level. This was necessary as many events potentially influence how your mercs feel and how motivated they are. We model this by a scale ranging from ‘euphoric’ all the way down to ‘angry’. A character in good spirits receives a bonus to his resolve while a disgruntled character will probably be more reluctant to risk his neck for you.


For example, a highborn noble gets into a fight with a lowborn servant - depending on how you, as the leader, decide to handle the situation there might be people upset or satisfied in the end. The effect on your mercenaries’ moods adds another layer of consequence to your decisions during events and makes them more meaningful and impactful. Getting all the different characters in your mercenary company to work together can be a challenge in itself.

New Weapons

While we were at it, we also added a few more weapons to the game.


From left to right: Wooden Flail and Reinforced Wooden Flail - agricultural tools turned weapon, these are lower tier variants of the Flail. Woodcutter’s Axe - a two-handed axe meant to fell trees, but will fell men just as well. Warbrand - a hybrid between a one-handed and a two-handed sword.

What’s next?

We’ll keep a close eye on the changes we’ve just introduced and will likely provide smaller but more frequent updates for a while to iron out any issues and make minor content additions. Once things are looking good, we’ll target the next item on our roadmap - the Goblin faction. This will be the largest update to date and come together with a lot of other changes, such as to AI and the leveling system. We want to do as many of these changes as we can in one go, because unfortunately that update will then have to break compatibility with save games from previous versions of the game.


  • Added new event mechanic on the worldmap with 47 different events to start with. We'll continually add new events from now on.
  • Added two new combat music tracks exclusive to fighting bandits and beasts, respectively.
  • Added a limit to the amount of food, ammo, tools and medicine that can be carried at once. Previously, the player could haul giant stockpiles of everything around the countryside, essentially removing these resources as a consideration and additional means to pay upkeep. This change should make them stay relevant.
  • Added Warbrand as a two-handed sword variant.
  • Added Woodcutter's Axe as a lower tier two-handed axe.
  • Added Wooden Flail and Reinforced Wooden Flail as lower tier flails.
  • Added Masterwork Bow.
  • Added ability to pause the game on the worldmap also using the 'Pause' key. Makes sense.
  • Changed Skeleton Guards to have 8 AP (up from 6) to bring them in line with other skeletons and enable them to stick to the bulk of the fighting force.
  • Changed fatigue costs for movement to be double across the board. Movement hardly factored into fatigue before and this should provide another drawback for using heavy armor, especially when fighting more skirmish-oriented opponents, such as the upcoming Goblins.
  • Changed Athletic and Clubfooted traits to have double the effect on fatigue costs for movement.
  • Changed Taunt skill to be more effective.
  • Changed crossbows to be reloaded automatically after combat ends.
  • Changed amount of crowns the player receives from selling loot to be lower.
  • Fixed flipping the map during an AI turn potentially preventing the game from proceeding.
  • Fixed game refusing to continue during an AI turn under specific conditions.
  • Fixed laggy UI after changing character name and confirming with return key.
  • Fixed Gravedigger background incorrectly using text of the Graverobber background.
  • Fixed incorrect icon for Impale skill of the pitchfork.
  • Fixed Berserk perk sometimes not working correctly.
  • Fixed inaccurate sell prices shown on items in the shop interface.
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Battle Brothers Combat Demo 0.1.1

Battle Brothers Combat Demo 0.1.1

Apr 25, 2014 Demo 0 comments

Battle Brothers Combat Demo - play the tactical combat mode of the game in a row of procedurally generated scenarios, equip you troops and find the best...

Battle Brothers Combat Demo 0.1.0

Battle Brothers Combat Demo 0.1.0

Apr 18, 2014 Demo 1 comment

It’s done. Finally! Get out your party hats as it’s time to celebrate the release of the Pre-Alpha Combat Demo of Battle Brothers!

Post comment Comments  (0 - 10 of 47)
ArlekinV Jun 20 2015, 9:05am says:

Hello, thanks for such a good tactic game. It's look like baby of Jagged Alliance and Battle for Wesnoth =) I usually don't believe in early-accsess games, but this got my attention. And i have one question. Would you do something with char's art? Right now they have cool portraits, wound system and etc. But will we see full-height characters?

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Guest Apr 23 2015, 7:00pm says:

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JaysenBattle Creator
JaysenBattle Apr 24 2015, 3:29pm replied:

Glad you like the game! Go check out Reformists LP, hes doing a great job:

+1 vote   reply to comment
getfreurr Mar 11 2015, 2:56am says:

you will add cavalary in the game?
and the player can defend city and settlements?
the player can make a camp?

0 votes     reply to comment
JaysenBattle Creator
JaysenBattle Mar 12 2015, 4:47am replied:

Cavalry will not be in the game for the player. It would just not fit in the small scale tactical battles that we are focusing on right now. Adding cavalry would make it more large scale. However, we will have enemies that use some sort of cavalry but i dont want to tell too much about them right now ;)

Yes, you can defend cities and settlements when they get attacked. All settlements have defenders (militia and soldiers) that will also try to fend of any attackers. You can even join an ongoing battle and help the (Ai-controlled) defenders.

The player can not make a camp right now but we have a lot of ideas regarding a possible camping feature in the future (after early access release). But we are not decided on that yet.

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Guest Mar 12 2015, 8:53am replied:

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LordGuido Feb 8 2015, 6:52am says:

Jaysen I read somewhere in the comments that mount & blade is a big inspiration for you guys. Does that mean that the factions will have a leader, lords and other characters we can interact with? (battles, quest, etc.)

+2 votes     reply to comment
JaysenBattle Creator
JaysenBattle Feb 8 2015, 12:12pm replied:

There will be named characters within factions like Oc Warlords or other unique characters but in the current state of the game you wont be able to negotiate with them.

Within the human faction we have people in villages and cities that offer contracts for you but the interaction is not as sophisticated as in M&B. As you are a mercenary you do not thrive to become a lord and settle down and politics are not really your kind of thing. But i agree that there could be a lot more interaction within the human faction but right now we focus on the core elements of the game.

A lot will be added if the early access is successful enough to give us some spare resources.

+1 vote   reply to comment
Derpp_ Feb 7 2015, 11:58am says:

Damn, this looks good! What engine did you use? Or did you use any engine?

+2 votes     reply to comment
JaysenBattle Creator
JaysenBattle Feb 8 2015, 3:46am replied:

We use our own engine programmed in C++ and Squirrel and then we render a html UI over it with awesomium :)

+2 votes   reply to comment
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Battle Brothers
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Overhype Studios
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Released Apr 26, 2015
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Turn Based Strategy
Single Player

Latest tweets from @overhypestudios

Get ready to prepare some Orc-chops! More low-tier weapons in the works. #battlebrothers #indiegame #gamedev

Jun 29 2015, 9:09am

@SerAlliser Yes, xou can buy it after full release separately!

Jun 27 2015, 8:18am

Update time: The new Event System is in the game now, read all about it here: #battlebrothers #gamedev #indiegame

Jun 26 2015, 8:10am

@Berngaming Thanks! No, savegame compatibility has been broken since - i should start a new series maybe some time soon :)

Jun 25 2015, 6:13pm

@kingtoko This new axe will be a woodcutters axe - its a little weaker so maybe he will only lose half a head in the next fight ;)

Jun 15 2015, 9:17am

RT @TinyTurtleSA: Today's #DailyGame is a #SteamSale game; #BattleBrothers by @OverhypeStudios! Come check it out here:

Jun 15 2015, 9:06am

Just some additional low-to-mid tier weapons we have in the works! #battlebrothers #gameart #indiegame

Jun 15 2015, 8:28am

@wildstorm95 You should see what happens when you hire a gravedigger and a graverobber hehe

Jun 10 2015, 11:18am

@wildstorm95 the events are based of the character backgrounds so only events that actually make sense for a character will involve him

Jun 10 2015, 11:08am

@neoninsect Thanks! Make sure to keep following, we have so much stuff we will add until full release ;)

Jun 10 2015, 7:50am

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