diff --git a/server/src/api/ir/fervidex/fervidex.ts b/server/src/api/ir/fervidex/fervidex.ts
index 1f7a9f3b0..808d6f788 100644
--- a/server/src/api/ir/fervidex/fervidex.ts
+++ b/server/src/api/ir/fervidex/fervidex.ts
@@ -2,7 +2,7 @@ import { Router, RequestHandler } from "express";
 import { UpdateClassIfGreater } from "../../../common/class";
 import { GetUserWithIDGuaranteed } from "../../../common/user";
 import { ParseEA3SoftID } from "../../../common/util";
-import { INF2_MODEL, REV_2DXBMS } from "../../../constants/ea3id";
+import { MODEL_INFINITAS_2, REV_2DXBMS } from "../../../constants/ea3id";
 import { RequireLoggedIn } from "../../../middleware/require-logged-in";
 import { ExpressWrappedScoreImportMain } from "../../../score-import/framework/express-wrapper";
 import { ParseFervidexStatic } from "../../../score-import/import-types/ir/fervidex-static/parser";
@@ -24,7 +24,7 @@ const RequireInf2ModelHeader: RequestHandler = (req, res, next) => {
     try {
         let softID = ParseEA3SoftID(swModel);
 
-        if (softID.model !== INF2_MODEL) {
+        if (softID.model !== MODEL_INFINITAS_2) {
             return res.status(400).send({
                 success: false,
                 description: "This endpoint is only available for INF2 clients.",
diff --git a/server/src/constants/ea3id.ts b/server/src/constants/ea3id.ts
index efc9cb1b6..d07e48a95 100644
--- a/server/src/constants/ea3id.ts
+++ b/server/src/constants/ea3id.ts
@@ -1,8 +1,10 @@
 // Various EA3-SoftID constants to make code more readable.
-export const INF2_MODEL = "P2D";
-export const IIDX_AC_MODEL = "LDJ";
-export const IIDX_AC_LIGHTNING_MODEL = "TDJ";
+export const MODEL_INFINITAS_2 = "P2D";
+export const MODEL_IIDX = "LDJ";
+export const MODEL_IIDX_LIGHTNING = "TDJ";
 
 export const REV_2DXTRA = "E";
 export const REV_2DXBMS = "Z";
 export const REV_OMNIMIX = "X";
+
+export const EXT_HEROIC_VERSE = "2020092900";
diff --git a/server/src/score-import/import-types/ir/fervidex-static/parser.ts b/server/src/score-import/import-types/ir/fervidex-static/parser.ts
index 4206a9ed8..fce77c319 100644
--- a/server/src/score-import/import-types/ir/fervidex-static/parser.ts
+++ b/server/src/score-import/import-types/ir/fervidex-static/parser.ts
@@ -4,7 +4,7 @@ import ScoreImportFatalError from "../../../framework/score-importing/score-impo
 import { FormatPrError } from "../../../../common/prudence";
 import { ConverterIRFervidexStatic } from "./converter";
 import { FervidexStaticContext, FervidexStaticScore } from "./types";
-import { FerHeaders, ParseSoftwareModel } from "../fervidex/parser";
+import { FerHeaders, SoftwareIDToVersion } from "../fervidex/parser";
 import { AssertStrAsPositiveInt } from "../../../framework/common/string-asserts";
 
 const PR_FervidexStatic: PrudenceSchema = {
@@ -18,7 +18,7 @@ export function ParseFervidexStatic(
     headers: FerHeaders,
     logger: KtLogger
 ): ParserFunctionReturnsSync<FervidexStaticScore, FervidexStaticContext> {
-    let version = ParseSoftwareModel(headers.model);
+    let version = SoftwareIDToVersion(headers.model);
 
     let staticScores = body?.scores;
 
diff --git a/server/src/score-import/import-types/ir/fervidex/converter.ts b/server/src/score-import/import-types/ir/fervidex/converter.ts
index 88011f5d6..5ac772284 100644
--- a/server/src/score-import/import-types/ir/fervidex/converter.ts
+++ b/server/src/score-import/import-types/ir/fervidex/converter.ts
@@ -209,6 +209,7 @@ export const ConverterIRFervidex: ConverterFunction<FervidexScore, FervidexConte
                 slow: data.slow,
                 maxCombo: data.max_combo,
                 gaugeHistory,
+                scoreHistory: data.ghost,
                 gauge,
                 bp: data.bad + data.poor,
                 comboBreak: data.combo_break,
diff --git a/server/src/score-import/import-types/ir/fervidex/parser.ts b/server/src/score-import/import-types/ir/fervidex/parser.ts
index 8ab9b636d..ad6e03935 100644
--- a/server/src/score-import/import-types/ir/fervidex/parser.ts
+++ b/server/src/score-import/import-types/ir/fervidex/parser.ts
@@ -4,6 +4,8 @@ import ScoreImportFatalError from "../../../framework/score-importing/score-impo
 import { FormatPrError, optNull } from "../../../../common/prudence";
 import { FervidexContext, FervidexScore } from "./types";
 import { ConverterIRFervidex } from "./converter";
+import { ParseEA3SoftID } from "../../../../common/util";
+import { EXT_HEROIC_VERSE, MODEL_IIDX, MODEL_INFINITAS_2 } from "../../../../constants/ea3id";
 
 const PR_Fervidex: PrudenceSchema = {
     chart: p.isIn("spb", "spn", "dpn", "sph", "dph", "spa", "dpa", "spl", "dpl"),
@@ -58,21 +60,23 @@ const PR_Fervidex: PrudenceSchema = {
  * Converts a string of the form LDJ:X:X:X:2020092900 into a game version.
  * I don't really understand the software model format, so this is lazy.
  */
-export function ParseSoftwareModel(model: string) {
-    if (model.startsWith("LDJ")) {
-        // heroic verse
-        if (model.endsWith("2020092900")) {
-            return "27";
+export function SoftwareIDToVersion(model: string) {
+    try {
+        let data = ParseEA3SoftID(model);
+
+        if (data.model === MODEL_INFINITAS_2) {
+            return "inf2020";
+        } else if (data.model === MODEL_IIDX) {
+            // only HV. everything else is disabled deliberately.
+            if (data.ext === EXT_HEROIC_VERSE) {
+                return "27";
+            }
         }
 
-        // i *really* don't care enough to support rootage or cannonballers.
         throw new ScoreImportFatalError(400, `Unsupported Software Model ${model}.`);
-    } else if (model.startsWith("P2D")) {
-        // accept anything since this will probably change underfoot a lot.
-        return "inf2020";
+    } catch (err) {
+        throw new ScoreImportFatalError(400, `Unsupported Software Model ${model}`);
     }
-
-    throw new ScoreImportFatalError(400, `Unsupported Software Model ${model}.`);
 }
 
 export interface FerHeaders {
@@ -84,7 +88,7 @@ export function ParseFervidexSingle(
     headers: FerHeaders,
     logger: KtLogger
 ): ParserFunctionReturnsSync<FervidexScore, FervidexContext> {
-    let version = ParseSoftwareModel(headers.model);
+    let version = SoftwareIDToVersion(headers.model);
 
     // more mods may be added in the future, so lets ignore excess keys.
     let err = p(body, PR_Fervidex, undefined, { allowExcessKeys: true });