diff --git a/server/src/lib/score-import/import-types/common/eamusement-iidx-csv/parser.test.ts b/server/src/lib/score-import/import-types/common/eamusement-iidx-csv/parser.test.ts
index e49964f9f..0691d39ba 100644
--- a/server/src/lib/score-import/import-types/common/eamusement-iidx-csv/parser.test.ts
+++ b/server/src/lib/score-import/import-types/common/eamusement-iidx-csv/parser.test.ts
@@ -11,6 +11,7 @@ t.test("#ParseEamusementCSV", (t) => {
 	t.test("Valid Rootage-Type CSV", (t) => {
 		const { iterableData, hasBeginnerAndLegg, version } = IIDXCSVParse(
 			TestingIIDXEamusementCSV26,
+			"SP",
 			logger
 		);
 
@@ -24,6 +25,7 @@ t.test("#ParseEamusementCSV", (t) => {
 	t.test("Valid HV CSV", (t) => {
 		const { iterableData, hasBeginnerAndLegg, version } = IIDXCSVParse(
 			TestingIIDXEamusementCSV27,
+			"SP",
 			logger
 		);
 
@@ -44,7 +46,7 @@ t.test("#ParseEamusementCSV", (t) => {
 		const buffer = Buffer.from(`${"a,".repeat(26)}a\n${"a,".repeat(3)}a`);
 
 		t.throws(
-			() => IIDXCSVParse(buffer, logger),
+			() => IIDXCSVParse(buffer, "SP", logger),
 			new ScoreImportFatalError(400, "Row 1 has an invalid amount of cells (4, expected 27)")
 		);
 
@@ -59,7 +61,7 @@ t.test("#ParseEamusementCSV", (t) => {
 		const InvalidVersions = Buffer.from(`${headerStr}\n${row}`);
 
 		t.throws(
-			() => IIDXCSVParse(InvalidVersions, logger),
+			() => IIDXCSVParse(InvalidVersions, "SP", logger),
 			new ScoreImportFatalError(
 				400,
 				"Invalid/Unsupported Eamusement Version Name GARBAGE VERSION."
@@ -71,12 +73,17 @@ t.test("#ParseEamusementCSV", (t) => {
 
 		let { version } = IIDXCSVParse(
 			Buffer.from([headerStr, row27th, row17th].join("\n")),
+			"SP",
 			logger
 		);
 
 		t.equal(version, "27", "Should pick the largest version from the list of scores.");
 
-		({ version } = IIDXCSVParse(Buffer.from([headerStr, row17th, row27th].join("\n")), logger));
+		({ version } = IIDXCSVParse(
+			Buffer.from([headerStr, row17th, row27th].join("\n")),
+			"SP",
+			logger
+		));
 
 		// this is technically allowing invalid eam-csv, but, who cares?
 		t.equal(
diff --git a/server/src/lib/score-import/import-types/common/eamusement-iidx-csv/parser.ts b/server/src/lib/score-import/import-types/common/eamusement-iidx-csv/parser.ts
index 07a08c1b1..4a3f5b5eb 100644
--- a/server/src/lib/score-import/import-types/common/eamusement-iidx-csv/parser.ts
+++ b/server/src/lib/score-import/import-types/common/eamusement-iidx-csv/parser.ts
@@ -1,9 +1,11 @@
 import ScoreImportFatalError from "../../../framework/score-importing/score-import-error";
+import { GetGamePTConfig, Playtype } from "tachi-common";
+import { StringIsGameVersion } from "utils/misc";
 import { CSVParseError, NaiveCSVParse } from "utils/naive-csv-parser";
 import type { ParserFunctionReturns } from "../types";
 import type { EamusementScoreData, IIDXEamusementCSVContext, IIDXEamusementCSVData } from "./types";
 import type { KtLogger } from "lib/logger/logger";
-import type { integer } from "tachi-common";
+import type { integer, GPTSupportedVersions, Playtypes } from "tachi-common";
 
 const EAM_VERSION_NAMES: Record<string, integer> = {
 	"1st&substream": 1,
@@ -94,7 +96,7 @@ export function ResolveHeaders(headers: Array<string>, logger: KtLogger) {
 	);
 }
 
-export function IIDXCSVParse(csvBuffer: Buffer, logger: KtLogger) {
+export function IIDXCSVParse(csvBuffer: Buffer, playtype: Playtypes["iidx"], logger: KtLogger) {
 	let rawHeaders: Array<string>;
 	let rawRows: Array<Array<string>>;
 
@@ -123,7 +125,6 @@ export function IIDXCSVParse(csvBuffer: Buffer, logger: KtLogger) {
 		const title = cells[1]!.trim();
 		const timestamp = cells[rawHeaders.length - 1]!.trim();
 
-		// wtf typescript?? what's the point of enums?
 		const versionNum = EAM_VERSION_NAMES[version!];
 
 		if (versionNum === undefined) {
@@ -167,13 +168,16 @@ export function IIDXCSVParse(csvBuffer: Buffer, logger: KtLogger) {
 		);
 	}
 
-	if (!["26", "27", "28", "29"].includes(gameVersion.toString())) {
-		throw new ScoreImportFatalError(400, `Only versions 26, 27, 28 and 29 are supported.`);
+	if (!StringIsGameVersion("iidx", playtype, gameVersion.toString())) {
+		throw new ScoreImportFatalError(
+			400,
+			`Unsupported version '${gameVersion}'. Is your CSV properly filled out?`
+		);
 	}
 
 	return {
 		iterableData,
-		version: gameVersion.toString() as "26" | "27" | "28" | "29",
+		version: gameVersion.toString() as GPTSupportedVersions["iidx:DP" | "iidx:SP"],
 		hasBeginnerAndLegg,
 	};
 }
@@ -219,7 +223,11 @@ function GenericParseEamIIDXCSV(
 		);
 	}
 
-	const { hasBeginnerAndLegg, version, iterableData } = IIDXCSVParse(fileData.buffer, logger);
+	const { hasBeginnerAndLegg, version, iterableData } = IIDXCSVParse(
+		fileData.buffer,
+		playtype,
+		logger
+	);
 
 	logger.verbose("Successfully parsed CSV.");
 
diff --git a/server/src/utils/misc.ts b/server/src/utils/misc.ts
index 6eed54268..53ff2b0a7 100644
--- a/server/src/utils/misc.ts
+++ b/server/src/utils/misc.ts
@@ -1,12 +1,19 @@
 import { ONE_MEGABYTE } from "lib/constants/filesize";
 import { ONE_HOUR } from "lib/constants/time";
 import { TachiConfig } from "lib/setup/config";
-import { GetGameConfig } from "tachi-common";
+import { GetGameConfig, GetGamePTConfig } from "tachi-common";
 import { exec } from "child_process";
 import crypto from "crypto";
 import { URL } from "url";
 import type { KtLogger } from "lib/logger/logger";
-import type { Game, GamePTConfig, integer, Playtype } from "tachi-common";
+import type {
+	Game,
+	GamePTConfig,
+	integer,
+	Playtype,
+	GPTSupportedVersions,
+	IDStrings,
+} from "tachi-common";
 
 // https://github.com/sindresorhus/escape-string-regexp/blob/main/index.js
 // the developer of this has migrated everything to Force ES6 style modules,
@@ -298,3 +305,14 @@ export function WrapScriptPromise(promise: Promise<unknown>, logger: KtLogger) {
 export function ClassToObject(cls: unknown) {
 	return JSON.parse(JSON.stringify(cls)) as unknown;
 }
+
+export function StringIsGameVersion(
+	game: Game,
+	playtype: Playtype,
+	version: string
+): version is GPTSupportedVersions[IDStrings] {
+	const gptConfig = GetGamePTConfig(game, playtype);
+
+	// @ts-expect-error yes, we know!
+	return gptConfig.supportedVersions.includes(version);
+}