diff --git a/client/src/components/tables/cells/DDRScoreCell.tsx b/client/src/components/tables/cells/DDRScoreCell.tsx
index 39d4a931f..59954a748 100644
--- a/client/src/components/tables/cells/DDRScoreCell.tsx
+++ b/client/src/components/tables/cells/DDRScoreCell.tsx
@@ -6,12 +6,14 @@ export default function DDRScoreCell({
 	score,
 	colour,
 	grade,
+	exScore,
 	scoreRenderFn,
 }: {
 	score?: integer;
 	grade: string;
 	colour: string;
 	showScore?: boolean;
+	exScore?: integer;
 	scoreRenderFn?: (s: number) => string;
 }) {
 	return (
@@ -23,6 +25,12 @@ export default function DDRScoreCell({
 			<strong>{grade}</strong>
 			<br />
 			{score !== undefined && <>{scoreRenderFn ? scoreRenderFn(score) : score}</>}
+			{typeof exScore === "number" && (
+				<>
+					<br />
+					[EX: {exScore}]
+				</>
+			)}
 		</td>
 	);
 }
diff --git a/common/src/config/game-support/ddr.ts b/common/src/config/game-support/ddr.ts
index 497ef1595..99b28b1f1 100644
--- a/common/src/config/game-support/ddr.ts
+++ b/common/src/config/game-support/ddr.ts
@@ -1,5 +1,5 @@
-import { IIDXDans } from "./iidx";
-import { FmtNum, FmtPercent, FmtScoreNoCommas } from "../../utils/util";
+import { FAST_SLOW_MAXCOMBO } from "./_common";
+import { FmtNum, FmtScoreNoCommas } from "../../utils/util";
 import { ClassValue, zodNonNegativeInt } from "../config-utils";
 import { p } from "prudence";
 import { z } from "zod";
@@ -123,6 +123,19 @@ export const DDR_SP_CONF = {
 			minimumRelevantValue: "0",
 			description: "The Flare rank. If no Flare is provided, Flare 0 is chosen by default.",
 		},
+		exScore: {
+			type: "INTEGER",
+			formatter: FmtNum,
+			validate: p.isPositiveInteger,
+
+			// We want to track the best EXScore a user gets, but it is an optional
+			// metric.
+			partOfScoreID: true,
+
+			description:
+				"The EXScore value. Marvelous and O.K. judgements are worth 3 points, Perfect judgements are worth 2 points, Great judgements are worth 1 point, and Good and lower judgements are not worth any points.",
+		},
+		...FAST_SLOW_MAXCOMBO,
 	},
 
 	defaultMetric: "score",
diff --git a/server/src/game-implementations/games/ddr.ts b/server/src/game-implementations/games/ddr.ts
index 5a14c1cad..174e9c90b 100644
--- a/server/src/game-implementations/games/ddr.ts
+++ b/server/src/game-implementations/games/ddr.ts
@@ -136,6 +136,25 @@ export const DDR_SCORE_VALIDATORS: Array<ScoreValidator<"ddr:DP" | "ddr:SP">> =
 			default:
 		}
 	},
+	(s) => {
+		const { MARVELOUS, PERFECT, GREAT, OK } = s.scoreData.judgements;
+
+		if (
+			IsNullish(MARVELOUS) ||
+			IsNullish(PERFECT) ||
+			IsNullish(GREAT) ||
+			IsNullish(OK) ||
+			IsNullish(s.scoreData.optional.exScore)
+		) {
+			return;
+		}
+
+		const calculatedExScore = MARVELOUS * 3 + OK * 3 + PERFECT * 2 + GREAT;
+
+		if (calculatedExScore !== s.scoreData.optional.exScore) {
+			return `EXScore expected to be ${calculatedExScore} instead of ${s.scoreData.optional.exScore}`;
+		}
+	},
 ];
 
 export const DDR_IMPL: GPTServerImplementation<"ddr:DP" | "ddr:SP"> = {
@@ -255,6 +274,9 @@ export const DDR_IMPL: GPTServerImplementation<"ddr:DP" | "ddr:SP"> = {
 			base.scoreData.score = score.scoreData.score;
 			base.scoreData.grade = score.scoreData.grade;
 		}),
+		CreatePBMergeFor("largest", "optional.exScore", "Best EX Score", (base, score) => {
+			base.scoreData.optional.exScore = score.scoreData.optional.exScore;
+		}),
 	],
 	profileCalcs: {
 		flareSkill: async (game: Game, playtype: Playtype, userID: integer) => {