diff --git a/src/game-loop/game-loop-settings.ts b/src/game-loop/game-loop-settings.ts
index 85b2f90..bebdae1 100644
--- a/src/game-loop/game-loop-settings.ts
+++ b/src/game-loop/game-loop-settings.ts
@@ -5,8 +5,8 @@ export interface GameLoopSettings {
   simulatedDelayMs: number;
 
   aggressionFactor: number;
-  nextGenerationSpawnRadius: number;
-  nextGenerationSpawnInterval: number;
+  spawnRadius: number;
+  spawnInterval: number;
 
   startColorHue: number;
 }
diff --git a/src/game-loop/game-rules.ts b/src/game-loop/game-rules.ts
index bf2d045..2117cad 100644
--- a/src/game-loop/game-rules.ts
+++ b/src/game-loop/game-rules.ts
@@ -27,10 +27,7 @@ export class GameRules {
   }
 
   public getSpawnAction(timeInSeconds: number, canvasSize: vec2): SpawnAction {
-    if (
-      timeInSeconds - this.lastSpawnTimeInSeconds <
-      settings.nextGenerationSpawnInterval
-    ) {
+    if (timeInSeconds - this.lastSpawnTimeInSeconds < settings.spawnInterval) {
       return {
         generation: this.nextGenerationId,
         position: vec2.create(),
@@ -46,7 +43,7 @@ export class GameRules {
         Random.randomBetween(0, canvasSize.x),
         Random.randomBetween(0, canvasSize.y)
       ),
-      radius: settings.nextGenerationSpawnRadius,
+      radius: settings.spawnRadius,
     };
   }
 
diff --git a/src/page/set-up-settings-page.ts b/src/page/set-up-settings-page.ts
index 9769dcf..847db07 100644
--- a/src/page/set-up-settings-page.ts
+++ b/src/page/set-up-settings-page.ts
@@ -14,43 +14,44 @@ export const setUpSettingsPage = (
         rounding: Math.round,
       }),
 
+      new SettingsSlider(settings, 'moveSpeed', {
+        min: 10,
+        max: 500,
+        scaling: ValueScaling.Quadratic,
+        rounding: Math.round,
+      }),
+
       new SettingsSlider(settings, 'aggressionFactor', {
         min: 0,
         max: 10,
       }),
 
-      new SettingsSlider(settings, 'nextGenerationSpawnRadius', {
+      new SettingsSlider(settings, 'spawnRadius', {
         min: 1,
         max: 1000,
       }),
 
-      new SettingsSlider(settings, 'nextGenerationSpawnInterval', {
+      new SettingsSlider(settings, 'spawnInterval', {
         min: 0.1,
         max: 600,
       }),
 
-      new SettingsSlider(settings, 'moveSpeed', {
-        min: 10,
-        max: 500,
+      new SettingsSlider(settings, 'clarity', {
+        min: 0.5,
+        max: 8,
+        step: 0.1,
       }),
-    ],
-    [
+
       new SettingsSlider(settings, 'brushWidth', {
         min: 1,
         max: 60,
       }),
 
-      new SettingsSlider(settings, 'brushWidthRandomness', {
+      new SettingsSlider(settings, 'brushWidthVariation', {
         min: 0,
         max: 1,
       }),
     ],
-    [
-      new SettingsSlider(settings, 'clarity', {
-        min: 0.1,
-        max: 8,
-      }),
-    ],
   ];
 
   sliders.forEach((sliderContainer) => {
diff --git a/src/pipelines/brush/brush-pipeline.ts b/src/pipelines/brush/brush-pipeline.ts
index ca97efd..0936915 100644
--- a/src/pipelines/brush/brush-pipeline.ts
+++ b/src/pipelines/brush/brush-pipeline.ts
@@ -119,11 +119,11 @@ export class BrushPipeline {
     this.linePoints.length = 0;
   }
 
-  public setParameters({ brushWidth, brushWidthRandomness }: BrushSettings) {
+  public setParameters({ brushWidth, brushWidthVariation }: BrushSettings) {
     this.device.queue.writeBuffer(
       this.uniforms,
       0,
-      new Float32Array([brushWidth / 2, (brushWidth / 2) * brushWidthRandomness])
+      new Float32Array([brushWidth / 2, (brushWidth / 2) * brushWidthVariation])
     );
 
     this.actualPoints = this.linePoints.slice();
diff --git a/src/pipelines/brush/brush-settings.ts b/src/pipelines/brush/brush-settings.ts
index cffc73a..61f0008 100644
--- a/src/pipelines/brush/brush-settings.ts
+++ b/src/pipelines/brush/brush-settings.ts
@@ -1,4 +1,4 @@
 export interface BrushSettings {
   brushWidth: number;
-  brushWidthRandomness: number;
+  brushWidthVariation: number;
 }
diff --git a/src/pipelines/brush/brush.wgsl b/src/pipelines/brush/brush.wgsl
index 8b2b07a..819e315 100644
--- a/src/pipelines/brush/brush.wgsl
+++ b/src/pipelines/brush/brush.wgsl
@@ -1,6 +1,6 @@
 struct Settings {
   brushWidth: f32,
-  brushWidthRandomness: f32
+  brushWidthVariation: f32
 };
 
 @group(1) @binding(0) var<uniform> settings: Settings;
@@ -31,7 +31,7 @@ fn fragment(
 ) -> @location(0) vec4<f32> {
     var distance = distanceFromLine(screenPosition, start, end);
     let noise = textureSample(noise, noiseSampler, screenPosition / state.size / 50);
-    distance += noise.r * settings.brushWidthRandomness;
+    distance += noise.r * settings.brushWidthVariation;
 
     if(distance > settings.brushWidth) {
       discard;
diff --git a/src/settings.ts b/src/settings.ts
index 16dfe93..0c8adc0 100644
--- a/src/settings.ts
+++ b/src/settings.ts
@@ -12,33 +12,33 @@ export const settings: { [key: string]: number } & GameLoopSettings &
   RenderSettings = persist({
   agentCount: 1_000_000,
 
-  brushWidth: 12,
-  brushWidthRandomness: 0.5,
-
   aggressionFactor: 3,
-  nextGenerationSpawnRadius: 5,
-  nextGenerationSpawnInterval: 600,
 
-  brushTrailWeight: 5,
   moveSpeed: 80,
   turnSpeed: 550,
   sensorOffsetAngle: 30,
   sensorOffsetDistance: 30,
   turnWhenGoingInTheRightDirection: 0.05,
   turnWhenLost: 0.2,
-  individualTrailWeight: 0.5,
   deinfectionProbability: 0.001,
 
+  brushTrailWeight: 5,
+  individualTrailWeight: 0.5,
   diffusionRateTrails: 2, // inverse
   decayRateTrails: 0.9, // inverse
   diffusionRateBrush: 4, // inverse
   decayRateBrush: 0.003,
 
+  spawnRadius: 5,
+  spawnInterval: 600,
+
   clarity: 2,
+  brushWidth: 12,
+  brushWidthVariation: 0.5,
 
   startColorHue: 200,
 
-  maxAgentCountUpperLimit: 64_000_000, // requires restart
+  maxAgentCountUpperLimit: Number.POSITIVE_INFINITY, // requires restart
 
   // debug options
   renderSpeed: 1,