diff --git a/Assets/Scripts/Support/ParticleTrailController.cs b/Assets/Scripts/Support/ParticleTrailController.cs
index 2dda512..6b0565c 100644
--- a/Assets/Scripts/Support/ParticleTrailController.cs
+++ b/Assets/Scripts/Support/ParticleTrailController.cs
@@ -40,7 +40,7 @@ public class ParticleTrailController : MonoBehaviour
             case ParticleTrail.Blood:
             {
                 main.gravityModifierMultiplier = 0.05f;
-                main.startColor = SetupGradient(BloodColorKeys);
+                main.startColor = new ParticleSystem.MinMaxGradient(BloodColorMin, BloodColorMax);
                 
                 shape.scale = new Vector3(6f, 6f, 6f);
                 break;
@@ -48,13 +48,20 @@ public class ParticleTrailController : MonoBehaviour
             case ParticleTrail.Tracer:
             case ParticleTrail.Tracer2:
             {
-                // Split trails, e.g. Scrag projectile
+                main.startLifetime = 0.5f;
+                main.startColor = type == ParticleTrail.Tracer
+                    ? new ParticleSystem.MinMaxGradient(TracerColorMin, TracerColorMax)
+                    : new ParticleSystem.MinMaxGradient(Tracer2ColorMin, Tracer2ColorMax);
+                
+                var velocityOverLifetime = effect.velocityOverLifetime;
+                velocityOverLifetime.enabled = true;
+                velocityOverLifetime.radial = new ParticleSystem.MinMaxCurve(-30, 30);
                 break;
             }
             case ParticleTrail.SlightBlood:
             {
                 main.gravityModifierMultiplier = 0.05f;
-                main.startColor = SetupGradient(BloodColorKeys);
+                main.startColor = new ParticleSystem.MinMaxGradient(BloodColorMin, BloodColorMax);
                 
                 shape.scale = new Vector3(6f, 6f, 6f);
                 emission.rateOverDistance = 1.0f / (interval + 3);
@@ -63,7 +70,7 @@ public class ParticleTrailController : MonoBehaviour
             case ParticleTrail.VoreBall:
             {
                 main.startLifetime = 0.3f;
-                main.startColor = SetupGradient(VoreColorKeys);
+                main.startColor = new ParticleSystem.MinMaxGradient(VoreColorMin, VoreColorMax);
                 
                 shape.scale = new Vector3(16f, 16f, 16f);
                 break;
@@ -78,15 +85,6 @@ public class ParticleTrailController : MonoBehaviour
         transform.position = endPosition;
     }
 
-    private static ParticleSystem.MinMaxGradient SetupGradient(GradientColorKey[] colorKeys)
-    {
-        return new ParticleSystem.MinMaxGradient(new Gradient
-        {
-            mode = GradientMode.Blend,
-            colorKeys = colorKeys,
-        });
-    }
-
     private static ParticleSystem.MinMaxGradient SetupGradients(GradientColorKey[] minKeys, GradientColorKey[] maxKeys)
     {
         return new ParticleSystem.MinMaxGradient
@@ -97,6 +95,8 @@ public class ParticleTrailController : MonoBehaviour
         };
     }
 
+    // TODO: these colors ought to be initialized from the Quake palette instead of being hard-coded.
+    // That will allow them to work with custom palettes from total conversions.
     private static readonly GradientColorKey[] RocketColorKeys = 
     {
         new GradientColorKey(new Color32(223, 171, 39, 255), 0.167f),
@@ -121,15 +121,15 @@ public class ParticleTrailController : MonoBehaviour
         new GradientColorKey(new Color32(47, 47, 47, 255), 1.0f),
     };
 
-    private static readonly GradientColorKey[] BloodColorKeys = 
-    {
-        new GradientColorKey(new Color32(31, 0, 0, 255), 0.5f),
-        new GradientColorKey(new Color32(55, 0, 0, 255), 1.0f),
-    };
-    
-    private static readonly GradientColorKey[] VoreColorKeys = 
-    {
-        new GradientColorKey(new Color32(95, 51, 63, 255), 0.5f),
-        new GradientColorKey(new Color32(59, 31, 35, 255), 1.0f),
-    };
+    private static readonly Color BloodColorMin = new Color32(31, 0, 0, 255);
+    private static readonly Color BloodColorMax = new Color32(55, 0, 0, 255);
+
+    private static readonly Color TracerColorMin = new Color32(27, 27, 0, 255);
+    private static readonly Color TracerColorMax = new Color32(83, 83, 11, 255);
+
+    private static readonly Color Tracer2ColorMin = new Color32(147, 31, 7, 255);
+    private static readonly Color Tracer2ColorMax = new Color32(239, 191, 119, 255);
+
+    private static readonly Color VoreColorMin = new Color32(95, 51, 63, 255);
+    private static readonly Color VoreColorMax = new Color32(59, 31, 35, 255);
 }