diff --git a/src/main/java/icu/samnyan/aqua/net/games/Chusan.kt b/src/main/java/icu/samnyan/aqua/net/games/Chusan.kt
index 8e187baa..662d2df4 100644
--- a/src/main/java/icu/samnyan/aqua/net/games/Chusan.kt
+++ b/src/main/java/icu/samnyan/aqua/net/games/Chusan.kt
@@ -4,10 +4,7 @@ import ext.API
 import ext.RP
 import ext.Str
 import icu.samnyan.aqua.net.db.AquaUserServices
-import icu.samnyan.aqua.net.utils.TrendLog
-import icu.samnyan.aqua.net.utils.chu3Scores
-import icu.samnyan.aqua.net.utils.findTrend
-import icu.samnyan.aqua.net.utils.genericUserSummary
+import icu.samnyan.aqua.net.utils.*
 import icu.samnyan.aqua.sega.chusan.dao.userdata.UserDataRepository
 import icu.samnyan.aqua.sega.chusan.dao.userdata.UserGeneralDataRepository
 import icu.samnyan.aqua.sega.chusan.dao.userdata.UserPlaylogRepository
@@ -42,4 +39,6 @@ class Chusan(
 
         genericUserSummary(u, userDataRepository, userPlaylogRepository, shownRanks, ratingComposition)
     }
+
+    override fun ranking() = genericRanking(userDataRepository, userPlaylogRepository)
 }
\ No newline at end of file
diff --git a/src/main/java/icu/samnyan/aqua/net/games/Maimai2.kt b/src/main/java/icu/samnyan/aqua/net/games/Maimai2.kt
index 506eb9e2..6746e7fe 100644
--- a/src/main/java/icu/samnyan/aqua/net/games/Maimai2.kt
+++ b/src/main/java/icu/samnyan/aqua/net/games/Maimai2.kt
@@ -4,10 +4,7 @@ import ext.API
 import ext.RP
 import ext.Str
 import icu.samnyan.aqua.net.db.AquaUserServices
-import icu.samnyan.aqua.net.utils.TrendLog
-import icu.samnyan.aqua.net.utils.findTrend
-import icu.samnyan.aqua.net.utils.genericUserSummary
-import icu.samnyan.aqua.net.utils.mai2Scores
+import icu.samnyan.aqua.net.utils.*
 import icu.samnyan.aqua.sega.maimai2.dao.userdata.UserDataRepository
 import icu.samnyan.aqua.sega.maimai2.dao.userdata.UserGeneralDataRepository
 import icu.samnyan.aqua.sega.maimai2.dao.userdata.UserPlaylogRepository
@@ -41,4 +38,6 @@ class Maimai2(
 
         genericUserSummary(u, userDataRepository, userPlaylogRepository, shownRanks, ratingComposition)
     }
+
+    override fun ranking() = genericRanking(userDataRepository, userPlaylogRepository)
 }
\ No newline at end of file
diff --git a/src/main/java/icu/samnyan/aqua/net/games/Models.kt b/src/main/java/icu/samnyan/aqua/net/games/Models.kt
index 53f2e9d7..7531814a 100644
--- a/src/main/java/icu/samnyan/aqua/net/games/Models.kt
+++ b/src/main/java/icu/samnyan/aqua/net/games/Models.kt
@@ -33,9 +33,22 @@ data class GenericGameSummary(
     val recent: List<IGenericGamePlaylog>
 )
 
+data class GenericRankingPlayer(
+    val rank: Int,
+    val name: String,
+    val accuracy: Double,
+    val rating: Int,
+    val allPerfect: Int,
+    val fullCombo: Int,
+    val lastSeen: String
+)
+
 interface GameApiController {
     @API("trend")
     fun trend(@RP username: String): List<TrendOut>
     @API("user-summary")
     fun userSummary(@RP username: String): GenericGameSummary
+
+    @API("ranking")
+    fun ranking(): List<GenericRankingPlayer>
 }
\ No newline at end of file
diff --git a/src/main/java/icu/samnyan/aqua/net/games/Ongeki.kt b/src/main/java/icu/samnyan/aqua/net/games/Ongeki.kt
index df771b9c..8fdb1317 100644
--- a/src/main/java/icu/samnyan/aqua/net/games/Ongeki.kt
+++ b/src/main/java/icu/samnyan/aqua/net/games/Ongeki.kt
@@ -2,10 +2,7 @@ package icu.samnyan.aqua.net.games
 
 import ext.API
 import icu.samnyan.aqua.net.db.AquaUserServices
-import icu.samnyan.aqua.net.utils.TrendLog
-import icu.samnyan.aqua.net.utils.findTrend
-import icu.samnyan.aqua.net.utils.genericUserSummary
-import icu.samnyan.aqua.net.utils.ongekiScores
+import icu.samnyan.aqua.net.utils.*
 import icu.samnyan.aqua.sega.ongeki.dao.userdata.UserDataRepository
 import icu.samnyan.aqua.sega.ongeki.dao.userdata.UserGeneralDataRepository
 import icu.samnyan.aqua.sega.ongeki.dao.userdata.UserPlaylogRepository
@@ -34,4 +31,6 @@ class Ongeki(
 
         genericUserSummary(u, userDataRepository, userPlaylogRepository, shownRanks, mapOf())
     }
+
+    override fun ranking() = genericRanking(userDataRepository, userPlaylogRepository)
 }
\ No newline at end of file
diff --git a/src/main/java/icu/samnyan/aqua/net/utils/GameHelper.kt b/src/main/java/icu/samnyan/aqua/net/utils/GameHelper.kt
index c1986955..d1b49d3e 100644
--- a/src/main/java/icu/samnyan/aqua/net/utils/GameHelper.kt
+++ b/src/main/java/icu/samnyan/aqua/net/utils/GameHelper.kt
@@ -3,6 +3,7 @@ package icu.samnyan.aqua.net.utils
 import ext.minus
 import icu.samnyan.aqua.net.db.AquaNetUser
 import icu.samnyan.aqua.net.games.GenericGameSummary
+import icu.samnyan.aqua.net.games.GenericRankingPlayer
 import icu.samnyan.aqua.net.games.RankCount
 import icu.samnyan.aqua.net.games.TrendOut
 import icu.samnyan.aqua.sega.general.model.Card
@@ -88,7 +89,7 @@ fun genericUserSummary(
         name = user.userName,
         iconId = user.iconId,
         serverRank = userDataRepo.getRanking(user.playerRating),
-        accuracy = plays.sumOf { it.achievement }.toDouble() / plays.size,
+        accuracy = plays.sumOf { it.achievement }.toDouble() / plays.size / 10000.0,
         rating = user.playerRating,
         ratingHighest = user.highestRating,
         ranks = ranks.map { (k, v) -> RankCount(k, v) },
@@ -106,4 +107,24 @@ fun genericUserSummary(
     )
 }
 
+fun genericRanking(
+    userDataRepo: GenericUserDataRepo<*, *>,
+    userPlaylogRepo: GenericPlaylogRepo,
+): List<GenericRankingPlayer> {
+    // TODO: pagination
+    val users = userDataRepo.findAll().sortedByDescending { it.playerRating }
+    return users.filter { it.card != null }.mapIndexed { i, user ->
+        val plays = userPlaylogRepo.findByUserCardExtId(user.card!!.extId)
+
+        GenericRankingPlayer(
+            rank = i + 1,
+            name = user.userName,
+            accuracy = plays.sumOf { it.achievement }.toDouble() / plays.size / 10000.0,
+            rating = user.playerRating,
+            allPerfect = plays.count { it.achievement == 1010000 },
+            fullCombo = plays.count { it.isFullCombo },
+            lastSeen = user.lastPlayDate.toString()
+        )
+    }
+}