diff --git a/components/wizard/game-entry-wizard.tsx b/components/wizard/game-entry-wizard.tsx
index dc61cb2..dc52a2f 100644
--- a/components/wizard/game-entry-wizard.tsx
+++ b/components/wizard/game-entry-wizard.tsx
@@ -42,6 +42,7 @@ export function GameEntryWizard({ gameId, gameVersionId, editEntry }: GameEntryW
     editEntry
       ? {
           fpsAvg: editEntry.fpsAvg,
+          fpsOnePercentLow: editEntry.fpsOnePercentLow ?? undefined,
           fpsLow: editEntry.fpsLow ?? undefined,
           fpsHigh: editEntry.fpsHigh ?? undefined,
           loadTimeSsd: editEntry.loadTimeSsd ?? undefined,
@@ -160,6 +161,7 @@ export function GameEntryWizard({ gameId, gameVersionId, editEntry }: GameEntryW
         versionId: gameVersionId,
         hardwareSlug,
         fpsAvg: Number(performance.fpsAvg),
+        fpsOnePercentLow: performance.fpsOnePercentLow !== undefined ? Number(performance.fpsOnePercentLow) : null,
         fpsLow: performance.fpsLow !== undefined ? Number(performance.fpsLow) : null,
         fpsHigh: performance.fpsHigh !== undefined ? Number(performance.fpsHigh) : null,
         loadTimeSsd: performance.loadTimeSsd !== undefined ? Number(performance.loadTimeSsd) : null,
diff --git a/components/wizard/steps/performance-step.tsx b/components/wizard/steps/performance-step.tsx
index a4eae5f..3f10e00 100644
--- a/components/wizard/steps/performance-step.tsx
+++ b/components/wizard/steps/performance-step.tsx
@@ -5,6 +5,7 @@ import { Gauge, Timer } from "lucide-react"
 
 export interface PerformanceData {
   fpsAvg?: number
+  fpsOnePercentLow?: number
   fpsLow?: number
   fpsHigh?: number
   loadTimeSsd?: number
@@ -42,7 +43,7 @@ export function PerformanceStep({ value, onChange }: PerformanceStepProps) {
           <h3 className="text-sm font-semibold text-text">Frame Rate</h3>
         </div>
 
-        <div className="grid grid-cols-1 sm:grid-cols-3 gap-3">
+        <div className="grid grid-cols-1 sm:grid-cols-2 md:grid-cols-4 gap-3">
           <div className="space-y-1.5">
             <label className="text-xs font-medium text-text/60">
               FPS Average <span className="text-red-400">*</span>
@@ -59,6 +60,20 @@ export function PerformanceStep({ value, onChange }: PerformanceStepProps) {
             <p className="text-[10px] text-text/30">Required — average framerate during gameplay</p>
           </div>
 
+          <div className="space-y-1.5">
+            <label className="text-xs font-medium text-text/60">1% Low FPS</label>
+            <input
+              type="text"
+              inputMode="numeric"
+              pattern="[0-9]*"
+              value={value.fpsOnePercentLow ?? ""}
+              onChange={(e) => update("fpsOnePercentLow", e.target.value)}
+              placeholder="e.g. 32"
+              className="w-full px-4 py-3 rounded-lg border border-border bg-text/5 text-text text-sm placeholder:text-text/40 outline-none focus:border-primary focus:ring-2 focus:ring-primary/50 transition-colors"
+            />
+            <p className="text-[10px] text-text/30">FPS at the 1st percentile — represents worst 1% of frametimes</p>
+          </div>
+
           <div className="space-y-1.5">
             <label className="text-xs font-medium text-text/60">FPS Low</label>
             <input
diff --git a/components/wizard/steps/review-step.tsx b/components/wizard/steps/review-step.tsx
index f7048cc..3dbd4f3 100644
--- a/components/wizard/steps/review-step.tsx
+++ b/components/wizard/steps/review-step.tsx
@@ -95,6 +95,7 @@ export function ReviewStep({
         <div className="rounded-lg border border-border bg-text/5 p-4">
           <SectionHeader icon={Gauge} label="Performance" />
           <SummaryRow label="FPS Average" value={formatNumber(performance.fpsAvg)} />
+          <SummaryRow label="1% Low FPS" value={formatNumber(performance.fpsOnePercentLow)} />
           <SummaryRow label="FPS Low" value={formatNumber(performance.fpsLow)} />
           <SummaryRow label="FPS High" value={formatNumber(performance.fpsHigh)} />
           <SummaryRow label="Load Time SSD" value={formatNumber(performance.loadTimeSsd)} />
diff --git a/lib/api/performance-submit.ts b/lib/api/performance-submit.ts
index 595bd91..4b03235 100644
--- a/lib/api/performance-submit.ts
+++ b/lib/api/performance-submit.ts
@@ -101,6 +101,7 @@ export const performanceSubmitRoutes = new Elysia({ prefix: "/performance" })
           hardwareSlug: body.hardwareSlug,
           userId: guard.user.id,
           fpsAvg: body.fpsAvg,
+          fpsOnePercentLow: body.fpsOnePercentLow ?? null,
           fpsLow: body.fpsLow ?? null,
           fpsHigh: body.fpsHigh ?? null,
           protonVersion: body.protonVersion ?? null,
@@ -129,6 +130,7 @@ export const performanceSubmitRoutes = new Elysia({ prefix: "/performance" })
         versionId: t.String(),
         hardwareSlug: t.String(),
         fpsAvg: t.Number(),
+        fpsOnePercentLow: t.Optional(t.Union([t.Number(), t.Null()])),
         fpsLow: t.Optional(t.Union([t.Number(), t.Null()])),
         fpsHigh: t.Optional(t.Union([t.Number(), t.Null()])),
         protonVersion: t.Optional(t.Union([t.String(), t.Null()])),
diff --git a/lib/api/performance.ts b/lib/api/performance.ts
index ca6b357..3d6f41d 100644
--- a/lib/api/performance.ts
+++ b/lib/api/performance.ts
@@ -233,6 +233,7 @@ export const performanceVerifyRoutes = new Elysia({
       }
 
       if (body.fpsAvg !== undefined) updateData.fpsAvg = body.fpsAvg
+      if (body.fpsOnePercentLow !== undefined) updateData.fpsOnePercentLow = body.fpsOnePercentLow
       if (body.fpsLow !== undefined) updateData.fpsLow = body.fpsLow
       if (body.fpsHigh !== undefined) updateData.fpsHigh = body.fpsHigh
       if (body.protonVersion !== undefined)
@@ -264,6 +265,7 @@ export const performanceVerifyRoutes = new Elysia({
       params: t.Object({ id: t.String() }),
       body: t.Object({
         fpsAvg: t.Optional(t.Number()),
+        fpsOnePercentLow: t.Optional(t.Number()),
         fpsLow: t.Optional(t.Number()),
         fpsHigh: t.Optional(t.Number()),
         protonVersion: t.Optional(t.Union([t.String(), t.Null()])),