diff --git a/Content.Shared/BarricadeBlock/BarricadeBlockComponent.cs b/Content.Shared/BarricadeBlock/BarricadeBlockComponent.cs
new file mode 100644
index 00000000000..8ef7ec4305a
--- /dev/null
+++ b/Content.Shared/BarricadeBlock/BarricadeBlockComponent.cs
@@ -0,0 +1,38 @@
+using Robust.Shared.GameObjects;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.List;
+using System.Collections.Generic;
+using Content.Shared.Tag;
+
+namespace Content.Shared.BarricadeBlock;
+
+[RegisterComponent]
+public sealed partial class BarricadeBlockComponent : Component
+{
+    /// <summary>
+    /// % chance of blocking a projectile passing overhead
+    /// </summary>
+    [DataField("blocking")]
+    public int Blocking = 66;
+
+    /// <summary>
+    /// Can it be used bidirectionally (e.g. sandbags) or only from behind (e.g. crenelated walls)?
+    /// </summary>
+    [DataField("bidirectional")]
+    public bool Bidirectional = true;
+
+    /// <summary>
+    /// Can it be used omnidirectionally (e.g. vending machines)
+    /// </summary>
+    [DataField("omnidirectional")]
+    public bool Omnidirectional = true;
+
+    /// <summary>
+    /// Distance between the shooter and barricade
+    /// </summary>
+    [DataField("passthroughdistance")]
+    public float PassThroughDistance = 1.5f;
+
+}
+
+/// ported from civ14
diff --git a/Content.Shared/CCVar/CCVars.Movement.cs b/Content.Shared/CCVar/CCVars.Movement.cs
index 8bfbdcad608..ac39ec645ca 100644
--- a/Content.Shared/CCVar/CCVars.Movement.cs
+++ b/Content.Shared/CCVar/CCVars.Movement.cs
@@ -11,7 +11,7 @@ public sealed partial class CCVars
     /// </summary>
     [CVarControl(AdminFlags.VarEdit)]
     public static readonly CVarDef<bool> MovementMobPushing =
-        CVarDef.Create("movement.mob_pushing", false, CVar.SERVER | CVar.REPLICATED);
+        CVarDef.Create("movement.mob_pushing", true, CVar.SERVER | CVar.REPLICATED); // LuaM false -> true
 
     /// <summary>
     /// Can we push mobs not moving.
diff --git a/Content.Shared/Projectiles/SharedProjectileSystem.cs b/Content.Shared/Projectiles/SharedProjectileSystem.cs
index dfa03bed17a..718a1122c78 100644
--- a/Content.Shared/Projectiles/SharedProjectileSystem.cs
+++ b/Content.Shared/Projectiles/SharedProjectileSystem.cs
@@ -36,13 +36,14 @@
 using Robust.Shared.Configuration;
 using Content.Shared._Mono.CCVar;
 using Robust.Shared;
+using Content.Shared.BarricadeBlock; // BF14
+using Robust.Shared.Random; // BF14
 
 namespace Content.Shared.Projectiles;
 
 public abstract partial class SharedProjectileSystem : EntitySystem
 {
     public const string ProjectileFixture = "projectile";
-
     [Dependency] private ISharedAdminLogManager _adminLogger = default!;
     [Dependency] private SharedAudioSystem _audio = default!;
     [Dependency] private SharedColorFlashEffectSystem _color = default!;
@@ -58,6 +59,7 @@ public abstract partial class SharedProjectileSystem : EntitySystem
     [Dependency] private IGameTiming _gameTiming = default!;
     [Dependency] private INetManager _net = default!;
     [Dependency] private IConfigurationManager _cfg = default!; // Mono
+    [Dependency] private IRobustRandom _random = default!; // BF14
 
     // Cache of projectiles waiting for collision checks
     private readonly ConcurrentQueue<(EntityUid Uid, ProjectileComponent Component, EntityUid Target)> _pendingCollisionChecks = new();
@@ -377,6 +379,85 @@ private void OnEmbedRemove(Entity<EmbeddableProjectileComponent> embeddable, ref
         _hands.TryPickupAnyHand(args.User, embeddable);
     }
 
+    //ported from civ14
+    private void PreventCollision(EntityUid uid, ProjectileComponent component, ref PreventCollideEvent args)
+    {
+        if (component.IgnoreShooter && (args.OtherEntity == component.Shooter || args.OtherEntity == component.Weapon))
+        {
+            args.Cancelled = true;
+        }
+        //check for BarricadeBlock component (percentage of chance to hit/pass over)
+        if (TryComp(args.OtherEntity, out BarricadeBlockComponent? BarricadeBlock))
+        {
+            var alwaysPassThrough = false;
+            //_sawmill.Info("Checking BarricadeBlock...");
+            if (component.Shooter is { } shooterUid && Exists(shooterUid))
+            {
+                // Condition 1: Directions are the same (using cardinal directions).
+                // Or, if bidirectional, directions can be opposite.
+                var shooterWorldRotation = _transform.GetWorldRotation(shooterUid);
+                var BarricadeBlockWorldRotation = _transform.GetWorldRotation(args.OtherEntity);
+
+                var shooterDir = shooterWorldRotation.GetCardinalDir();
+                var BarricadeBlockDir = BarricadeBlockWorldRotation.GetCardinalDir();
+
+                bool directionallyAllowed = false;
+                if (shooterDir == BarricadeBlockDir)
+                {
+                    directionallyAllowed = true;
+                    //_sawmill.Debug("Shooter and BarricadeBlock facing same cardinal direction.");
+                }
+                else if (BarricadeBlock.Bidirectional)
+                {
+                    var oppositeBarricadeBlockDir = (Direction)(((int)BarricadeBlockDir + 4) % 8);
+                    if (shooterDir == oppositeBarricadeBlockDir)
+                    {
+                        directionallyAllowed = true;
+                        //_sawmill.Debug("Shooter and BarricadeBlock facing opposite cardinal directions (bidirectional pass).");
+                    }
+                }
+                else if (BarricadeBlock.Omnidirectional)
+                {
+                    directionallyAllowed = true;
+                    //_sawmill.Debug("Has the omnidirectional field");
+                }
+
+                if (directionallyAllowed)
+                {
+                    // Condition 2: Firer is within 1 tile of the BarricadeBlock.
+                    var shooterCoords = Transform(shooterUid).Coordinates;
+                    var BarricadeBlockCoords = Transform(args.OtherEntity).Coordinates;
+                    var BypassDistance = BarricadeBlock.PassThroughDistance;
+
+                    if (shooterCoords.TryDistance(EntityManager, BarricadeBlockCoords, out var distance) &&
+                        distance <= BypassDistance)
+                    {
+                        alwaysPassThrough = true;
+                    }
+                }
+            }
+
+            if (alwaysPassThrough)
+            {
+                args.Cancelled = true;
+            }
+            else
+            {
+                //_sawmill.Debug("BarricadeBlock direction/distance check failed or shooter not valid.");
+                // Standard BarricadeBlock blocking logic if the special conditions are not met.
+                var rando = _random.NextFloat(0.0f, 100.0f);
+                if (rando >= BarricadeBlock.Blocking)
+                {
+                    args.Cancelled = true;
+                }
+                else
+                {
+                    return;
+                }
+            }
+        }
+    }
+
     private void OnEmbedThrowDoHit(Entity<EmbeddableProjectileComponent> embeddable, ref ThrowDoHitEvent args)
     {
         if (!embeddable.Comp.EmbedOnThrow)
@@ -487,58 +568,6 @@ public void DetachAllEmbedded(Entity<EmbeddedContainerComponent> container)
         }
     }
 
-    private void PreventCollision(EntityUid uid, ProjectileComponent component, ref PreventCollideEvent args)
-    {
-        // Goobstation - Crawling fix
-        if (TryComp<RequireProjectileTargetComponent>(args.OtherEntity, out var requireTarget) && requireTarget.IgnoreThrow && requireTarget.Active)
-            return;
-
-        if (component.IgnoreShooter && (args.OtherEntity == component.Shooter || args.OtherEntity == component.Weapon))
-        {
-            args.Cancelled = true;
-            return;
-        }
-
-        // Get transforms once for subsequent checks to avoid repeated calls
-        var projectileXform = Transform(uid);
-        var targetXform = Transform(args.OtherEntity);
-
-        // Add collision check to queue for batch processing if we have enough
-        if (_pendingCollisionChecks.Count >= MinProjectilesForParallel / 2)
-        {
-            _pendingCollisionChecks.Enqueue((uid, component, args.OtherEntity));
-
-            // Assume collision for now - if shield check passes, we'll handle it in the batch process
-            return;
-        }
-
-        // For low volume, process immediately
-        // Check if any shield system wants to prevent collision
-        var ev = new ProjectileCollisionAttemptEvent(uid, args.OtherEntity);
-        RaiseLocalEvent(ref ev);
-
-        if (ev.Cancelled)
-        {
-            args.Cancelled = true;
-            return;
-        }
-
-        // Check if target and projectile are on different maps/z-levels
-        if (projectileXform.MapID != targetXform.MapID)
-        {
-            args.Cancelled = true;
-            return;
-        }
-
-        // Define the tag constant
-        const string GunCanAimShooterTag = "GunCanAimShooter";
-
-        if ((component.Shooter == args.OtherEntity || component.Weapon == args.OtherEntity) &&
-            component.Weapon != null && _tag.HasTag(component.Weapon.Value, GunCanAimShooterTag) &&
-            TryComp(uid, out TargetedProjectileComponent? targeted) && targeted.Target == args.OtherEntity)
-            return;
-    }
-
     // Goobstation - Crawling fix
     private void EmbeddablePreventCollision(EntityUid uid, EmbeddableProjectileComponent component, ref PreventCollideEvent args)
     {
diff --git a/Content.Shared/Traits/Assorted/ExtendDescriptionComponent.cs b/Content.Shared/Traits/Assorted/ExtendDescriptionComponent.cs
new file mode 100644
index 00000000000..58d1fe621a2
--- /dev/null
+++ b/Content.Shared/Traits/Assorted/ExtendDescriptionComponent.cs
@@ -0,0 +1,36 @@
+//using Content.Shared.Customization.Systems;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Traits.Assorted.Components;
+
+[Serializable, NetSerializable, DataDefinition]
+public sealed partial class DescriptionExtension
+{
+//    [DataField]
+//    public List<CharacterRequirement>? Requirements;
+
+    [DataField]
+    public string Description = "";
+
+//    [DataField]
+//    public string RequirementsNotMetDescription = "";
+
+    [DataField]
+    public int FontSize = 12;
+
+    [DataField]
+    public string Color = "#ffffff";
+
+    [DataField]
+    public bool RequireDetailRange = true;
+}
+
+[RegisterComponent]
+public sealed partial class ExtendDescriptionComponent : Component
+{
+    /// <summary>
+    ///     The list of all descriptions to add to an entity when examined at close range.
+    /// </summary>
+    [DataField]
+    public List<DescriptionExtension> DescriptionList = new();
+}
diff --git a/Content.Shared/Traits/Assorted/ExtendDescriptionSystem.cs b/Content.Shared/Traits/Assorted/ExtendDescriptionSystem.cs
new file mode 100644
index 00000000000..ba46fcca099
--- /dev/null
+++ b/Content.Shared/Traits/Assorted/ExtendDescriptionSystem.cs
@@ -0,0 +1,30 @@
+//using Content.Shared.Customization.Systems;
+using Content.Shared.Examine;
+using Content.Shared.Traits.Assorted.Components;
+
+namespace Content.Shared.Traits.Assorted.Systems;
+
+public sealed class ExtendDescriptionSystem : EntitySystem
+{
+//    [Dependency] private readonly CharacterRequirementsSystem _characterRequirements = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<ExtendDescriptionComponent, ExaminedEvent>(OnExamined);
+    }
+
+    private void OnExamined(EntityUid uid, ExtendDescriptionComponent component, ExaminedEvent args)
+    {
+        if (component.DescriptionList.Count <= 0)
+            return;
+
+        foreach (var desc in component.DescriptionList)
+        {
+            if (!args.IsInDetailsRange && desc.RequireDetailRange)
+                continue;
+
+            args.PushMarkup($"[font size ={desc.FontSize}][color={desc.Color}]{Loc.GetString(desc.Description, ("entity", uid))}[/color][/font]");
+        }
+    }
+}
diff --git a/Resources/Prototypes/Entities/Mobs/base.yml b/Resources/Prototypes/Entities/Mobs/base.yml
index 7bc23ace817..eded3d85ccc 100644
--- a/Resources/Prototypes/Entities/Mobs/base.yml
+++ b/Resources/Prototypes/Entities/Mobs/base.yml
@@ -52,6 +52,16 @@
   - type: PassiveThermalSignature # Mono
     signature: 225 # if nothing else is generating heat, 30m radius, 60m with 4 mobs, 120 with 16
   - type: ThermalSignature # Mono
+  - type: BarricadeBlock # Mono
+    bidirectional: false
+    omnidirectional: true
+    passthroughdistance: 1
+    blocking: 100
+  - type: ExtendDescription # BF14
+    descriptionList:
+    - description: Firing a weapon within half a tile will fire over their shoulder.
+      color: "#4f94ad"
+      requireDetailRange: true
 
 - type: entity
   save: false
diff --git a/Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml b/Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml
index 3fa7c465bf6..40d23ae2535 100644
--- a/Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml
+++ b/Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml
@@ -85,7 +85,7 @@
       projectile:
         shape:
           !type:PhysShapeAabb
-          bounds: "-0.1,-0.1,0.1,0.1"
+          bounds: "-0.1,-0.1,0.1,0.3"
         hard: false
         mask:
         - Impassable
diff --git a/Resources/Prototypes/Entities/Structures/Machines/vending_machines.yml b/Resources/Prototypes/Entities/Structures/Machines/vending_machines.yml
index b2808ee0e87..f04e9e38e24 100644
--- a/Resources/Prototypes/Entities/Structures/Machines/vending_machines.yml
+++ b/Resources/Prototypes/Entities/Structures/Machines/vending_machines.yml
@@ -141,6 +141,9 @@
   - type: ShipRepairable
     repairTime: 5
     repairCost: 10
+  - type: BarricadeBlock
+    bidirectional: true
+    blocking: 67
 
 - type: entity
   parent: VendingMachine
diff --git a/Resources/Prototypes/_Goobstation/Damage/modifier_sets.yml b/Resources/Prototypes/_Goobstation/Damage/modifier_sets.yml
index 01bf6809eca..83990c326de 100644
--- a/Resources/Prototypes/_Goobstation/Damage/modifier_sets.yml
+++ b/Resources/Prototypes/_Goobstation/Damage/modifier_sets.yml
@@ -92,3 +92,60 @@
     Piercing: 1.15
     Heat: 1.20
     Cold: 0.80
+
+# Barricades
+
+- type: damageModifierSet
+  id: BarricadeSteel
+  coefficients:
+    Blunt: 0.8
+    Slash: 0.7
+    Piercing: 0.5
+  flatReductions:
+    Blunt: 5
+    Slash: 5
+    Piercing: 5
+    Heat: 5
+    Structural: 5
+
+- type: damageModifierSet
+  id: BarricadeSteelFolding
+  coefficients:
+    Blunt: 0.9
+    Slash: 0.9
+    Piercing: 0.65
+  flatReductions:
+    Blunt: 5
+    Slash: 5
+    Piercing: 5
+    Heat: 3
+
+- type: damageModifierSet
+  id: BarricadePlasteel
+  coefficients:
+    Blunt: 0.6
+    Slash: 0.5
+    Piercing: 0.3
+    Structural: 0.75
+    Heat: 0.5
+  flatReductions:
+    Blunt: 5
+    Slash: 5
+    Piercing: 5
+    Heat: 3
+    Structural: 5
+
+- type: damageModifierSet
+  id: BarricadePlasteelFolding
+  coefficients:
+    Blunt: 0.8
+    Slash: 0.7
+    Piercing: 0.8
+    Structural: 0.85
+    Heat: 0.5
+  flatReductions:
+    Blunt: 5
+    Slash: 5
+    Piercing: 5
+    Heat: 3
+    Structural: 3