diff --git a/app/api/[[...slugs]]/route.ts b/app/api/[[...slugs]]/route.ts
index f96e239..06187cd 100644
--- a/app/api/[[...slugs]]/route.ts
+++ b/app/api/[[...slugs]]/route.ts
@@ -24,6 +24,7 @@ import { searchUnifiedRoutes } from "@/lib/api/search-unified"
 import { gameStubRoutes } from "@/lib/api/game-stub"
 import { gameStatsRoutes } from "@/lib/api/game-stats"
 import { gamesManualRoutes } from "@/lib/api/games-manual"
+import { compareRoutes } from "@/lib/api/compare"
 import { gamesListingRoutes } from "@/lib/api/games-listing"
 import { steamgridProxyRoutes } from "@/lib/api/steamgrid-proxy"
 
@@ -96,6 +97,8 @@ export const app = new Elysia({ prefix: "/api" })
   .use(savedGamesRoutes)
   // Contact form
   .use(contactRoutes)
+  // Compare
+  .use(compareRoutes)
   // Root
   .get("/", () => ({
     name: "DeckyVault API",
diff --git a/lib/api/compare.ts b/lib/api/compare.ts
new file mode 100644
index 0000000..1f4ba4d
--- /dev/null
+++ b/lib/api/compare.ts
@@ -0,0 +1,188 @@
+import { Elysia, t } from "elysia"
+import { db } from "@/lib/db/index"
+import { games, gameVersions, performanceEntries, hardware } from "@/lib/db/schema"
+import { eq, and, inArray } from "drizzle-orm"
+
+export const compareRoutes = new Elysia({ prefix: "/compare" })
+  .get(
+    "/games",
+    async ({ query, set }) => {
+      const gameIds = query.ids.split(",").filter(Boolean).slice(0, 4)
+      if (gameIds.length < 2) {
+        set.status = 400
+        return { error: "At least 2 games required" }
+      }
+
+      // Fetch games
+      const gameRows = await db
+        .select({
+          id: games.id,
+          title: games.title,
+          steamAppId: games.steamAppId,
+          source: games.source,
+          capsuleImage: games.capsuleImage,
+          headerImage: games.headerImage,
+        })
+        .from(games)
+        .where(inArray(games.id, gameIds))
+
+      const results = await Promise.all(
+        gameRows.map(async (game) => {
+          // Fetch all non-removed entries for this game
+          const entries = await db
+            .select({
+              fpsAvg: performanceEntries.fpsAvg,
+              fpsLow: performanceEntries.fpsLow,
+              fpsHigh: performanceEntries.fpsHigh,
+              fpsOnePercentLow: performanceEntries.fpsOnePercentLow,
+              upscalerType: performanceEntries.upscalerType,
+              frameGenMethod: performanceEntries.frameGenMethod,
+              hardwareSlug: performanceEntries.hardwareSlug,
+              hardwareName: hardware.name,
+            })
+            .from(performanceEntries)
+            .innerJoin(gameVersions, eq(performanceEntries.versionId, gameVersions.id))
+            .innerJoin(hardware, eq(performanceEntries.hardwareSlug, hardware.slug))
+            .where(
+              and(
+                eq(gameVersions.gameId, game.id),
+                eq(performanceEntries.isRemoved, false)
+              )
+            )
+
+          if (entries.length === 0) {
+            return {
+              ...game,
+              stats: {
+                totalEntries: 0,
+                avgFps: null,
+                medianFps: null,
+                bestFps: null,
+                avgOnePercentLow: null,
+                avgStability: null,
+                bestDevice: null,
+                tierBreakdown: null,
+                deviceBreakdown: [],
+              },
+            }
+          }
+
+          const fpsValues = entries.map((e) => e.fpsAvg ?? 0).sort((a, b) => a - b)
+          const avgFps = fpsValues.reduce((a, b) => a + b, 0) / fpsValues.length
+          const medianFps = fpsValues[Math.floor(fpsValues.length / 2)]
+
+          const onePercentLowValues = entries
+            .filter((e) => e.fpsOnePercentLow != null)
+            .map((e) => e.fpsOnePercentLow!)
+
+          const avgOnePercentLow =
+            onePercentLowValues.length > 0
+              ? onePercentLowValues.reduce((a, b) => a + b, 0) / onePercentLowValues.length
+              : null
+
+          const stabilityScores = entries
+            .filter((e) => e.fpsOnePercentLow != null && e.fpsAvg > 0)
+            .map((e) => Math.min(1, e.fpsOnePercentLow! / (e.fpsAvg ?? 1)))
+
+          const avgStability =
+            stabilityScores.length > 0
+              ? stabilityScores.reduce((a, b) => a + b, 0) / stabilityScores.length
+              : null
+
+          // Best device by avg fps
+          const deviceFpsMap = new Map<string, number[]>()
+          for (const e of entries) {
+            const arr = deviceFpsMap.get(e.hardwareSlug) || []
+            arr.push(e.fpsAvg ?? 0)
+            deviceFpsMap.set(e.hardwareSlug, arr)
+          }
+          let bestDevice: string | null = null
+          let bestDeviceAvg = 0
+          for (const [slug, fpsArr] of deviceFpsMap) {
+            const mean = fpsArr.reduce((a, b) => a + b, 0) / fpsArr.length
+            if (mean > bestDeviceAvg) {
+              bestDeviceAvg = mean
+              bestDevice = slug
+            }
+          }
+
+          // Tier breakdown
+          const tiers = { unplayable: 0, playable: 0, smooth: 0, excellent: 0 }
+          for (const e of entries) {
+            const fps = e.fpsAvg ?? 0
+            if (fps < 30) tiers.unplayable++
+            else if (fps < 60) tiers.playable++
+            else if (fps < 120) tiers.smooth++
+            else tiers.excellent++
+          }
+
+          // Device breakdown
+          const deviceBreakdown = Array.from(deviceFpsMap.entries()).map(([slug, fpsArr]) => ({
+            hardwareSlug: slug,
+            count: fpsArr.length,
+            avgFps: Math.round((fpsArr.reduce((a, b) => a + b, 0) / fpsArr.length) * 10) / 10,
+          }))
+
+          return {
+            ...game,
+            stats: {
+              totalEntries: entries.length,
+              avgFps: Math.round(avgFps * 10) / 10,
+              medianFps: Math.round(medianFps * 10) / 10,
+              bestFps: Math.round(fpsValues[fpsValues.length - 1] * 10) / 10,
+              avgOnePercentLow: avgOnePercentLow ? Math.round(avgOnePercentLow * 10) / 10 : null,
+              avgStability: avgStability ? Math.round(avgStability * 100) : null,
+              bestDevice,
+              tierBreakdown: tiers,
+              deviceBreakdown,
+            },
+          }
+        })
+      )
+
+      return { games: results }
+    },
+    {
+      query: t.Object({ ids: t.String() }),
+    }
+  )
+  .get(
+    "/presets",
+    async ({ query, set }) => {
+      const presetIds = query.ids.split(",").filter(Boolean).slice(0, 4)
+      if (presetIds.length < 2) {
+        set.status = 400
+        return { error: "At least 2 presets required" }
+      }
+
+      const presetRows = await db
+        .select({
+          id: performanceEntries.id,
+          fpsAvg: performanceEntries.fpsAvg,
+          fpsLow: performanceEntries.fpsLow,
+          fpsHigh: performanceEntries.fpsHigh,
+          fpsOnePercentLow: performanceEntries.fpsOnePercentLow,
+          upscalerType: performanceEntries.upscalerType,
+          upscalerVersion: performanceEntries.upscalerVersion,
+          frameGenMethod: performanceEntries.frameGenMethod,
+          protonVersion: performanceEntries.protonVersion,
+          osVersion: performanceEntries.osVersion,
+          loadTimeSsd: performanceEntries.loadTimeSsd,
+          loadTimeSd: performanceEntries.loadTimeSd,
+          estimatedBatteryMin: performanceEntries.estimatedBatteryMin,
+          settingsJson: performanceEntries.settingsJson,
+          launchOptions: performanceEntries.launchOptions,
+          hardwareSlug: performanceEntries.hardwareSlug,
+          hardwareName: hardware.name,
+          createdAt: performanceEntries.createdAt,
+        })
+        .from(performanceEntries)
+        .innerJoin(hardware, eq(performanceEntries.hardwareSlug, hardware.slug))
+        .where(inArray(performanceEntries.id, presetIds))
+
+      return { presets: presetRows }
+    },
+    {
+      query: t.Object({ ids: t.String() }),
+    }
+  )
\ No newline at end of file
diff --git a/lib/api/index.ts b/lib/api/index.ts
index d7070a5..43b8f29 100644
--- a/lib/api/index.ts
+++ b/lib/api/index.ts
@@ -16,3 +16,4 @@ export { adminPerformanceRoutes } from "./admin-performance"
 export { adminCommentRoutes } from "./admin-comments"
 export { steamgridProxyRoutes } from "./steamgrid-proxy"
 export { gamesManualRoutes } from "./games-manual"
+export { compareRoutes } from "./compare"