diff --git a/src/app/(frontend)/qualification/actions.ts b/src/app/(frontend)/qualification/actions.ts
new file mode 100644
index 0000000..f6dcea4
--- /dev/null
+++ b/src/app/(frontend)/qualification/actions.ts
@@ -0,0 +1,239 @@
+"use server";
+
+import config from "@payload-config";
+import { getPayload } from "payload";
+import { emitGameEvent } from "@/utils/event-log/emit";
+import { EventTypes } from "@/utils/event-log/eventTypes";
+import { broadcastToUser } from "@/lib/realtime/bus";
+import {
+  isAimTrainerDifficulty,
+  calculateAimTrainerAccuracy,
+  calculateAimTrainerScore,
+  calculateAimTrainerXp,
+  MAX_SHOTS_FIRED,
+  MAX_HITS,
+  MAX_DESPAWNED_TARGETS,
+} from "@/lib/aim-trainer";
+
+interface ActionResult<T = undefined> {
+  success: boolean;
+  error?: string;
+  data?: T;
+}
+
+export interface AimTrainerStats {
+  gamesPlayed: number;
+  bestScore: number;
+  recruitBestScore: number;
+  veteranBestScore: number;
+  eliteBestScore: number;
+  recruitBestAccuracy: number;
+  veteranBestAccuracy: number;
+  eliteBestAccuracy: number;
+  aimTrainerXp: number;
+  xpEarned: number;
+  score: number;
+  accuracy: number;
+}
+
+export interface AimTrainerResultInput {
+  difficulty: string;
+  headshots: number;
+  torsoHits: number;
+  shotsFired: number;
+  despawnedUnhitTargets: number;
+}
+
+async function authenticate() {
+  const payloadConfig = await config;
+  const payload = await getPayload({ config: payloadConfig });
+  const { headers } = await import("next/headers");
+  const hdrs = await headers();
+  const { user } = await payload.auth({
+    headers: hdrs,
+    canSetHeaders: false,
+  });
+
+  if (!user) {
+    throw new Error("Unauthorized");
+  }
+
+  return { payload, user };
+}
+
+export async function submitAimTrainerResult(
+  input: AimTrainerResultInput,
+): Promise<ActionResult<AimTrainerStats>> {
+  try {
+    const { payload, user } = await authenticate();
+
+    if (!isAimTrainerDifficulty(input.difficulty)) {
+      return { success: false, error: "Invalid difficulty." };
+    }
+
+    const { headshots, torsoHits, shotsFired, despawnedUnhitTargets } = input;
+    if (
+      !Number.isInteger(headshots) ||
+      headshots < 0 ||
+      !Number.isInteger(torsoHits) ||
+      torsoHits < 0 ||
+      !Number.isInteger(shotsFired) ||
+      shotsFired < 0 ||
+      !Number.isInteger(despawnedUnhitTargets) ||
+      despawnedUnhitTargets < 0
+    ) {
+      return { success: false, error: "Invalid result." };
+    }
+    if (shotsFired > MAX_SHOTS_FIRED) {
+      return { success: false, error: "Too many shots fired." };
+    }
+    const hits = headshots + torsoHits;
+    if (hits > MAX_HITS) {
+      return { success: false, error: "Too many hits." };
+    }
+    if (hits > shotsFired) {
+      return { success: false, error: "Hits cannot exceed shots fired." };
+    }
+    if (despawnedUnhitTargets > MAX_DESPAWNED_TARGETS) {
+      return { success: false, error: "Too many despawned targets." };
+    }
+
+    const profileRes = await payload.find({
+      collection: "profiles",
+      where: { user: { equals: user.id as number } },
+      limit: 1,
+      depth: 0,
+      overrideAccess: true,
+    });
+    const profile = profileRes.docs[0];
+    if (!profile) {
+      return { success: false, error: "No profile found for this user." };
+    }
+
+    const progression = (profile.progression ?? {}) as {
+      xp?: unknown;
+      minigames?: {
+        aimTrainer?: {
+          gamesPlayed?: number;
+          bestScore?: number;
+          recruitBestScore?: number;
+          veteranBestScore?: number;
+          eliteBestScore?: number;
+          recruitBestAccuracy?: number;
+          veteranBestAccuracy?: number;
+          eliteBestAccuracy?: number;
+          xpEarned?: number;
+        };
+      };
+    };
+    const current = progression.minigames?.aimTrainer ?? {};
+
+    const accuracy = calculateAimTrainerAccuracy(hits, shotsFired, despawnedUnhitTargets);
+    const score = calculateAimTrainerScore(headshots, torsoHits, shotsFired, despawnedUnhitTargets);
+
+    const difficultyBestScoreKey = `${input.difficulty}BestScore` as
+      | "recruitBestScore"
+      | "veteranBestScore"
+      | "eliteBestScore";
+    const difficultyBestAccuracyKey = `${input.difficulty}BestAccuracy` as
+      | "recruitBestAccuracy"
+      | "veteranBestAccuracy"
+      | "eliteBestAccuracy";
+
+    const isNewTierBest = score > (current[difficultyBestScoreKey] ?? 0);
+    const xp = calculateAimTrainerXp(score, isNewTierBest);
+
+    const gamesPlayed = (current.gamesPlayed ?? 0) + 1;
+    const bestScore = Math.max(current.bestScore ?? 0, score);
+    const difficultyBestScore = Math.max(current[difficultyBestScoreKey] ?? 0, score);
+    const difficultyBestAccuracy = Math.max(current[difficultyBestAccuracyKey] ?? 0, accuracy);
+    const aimTrainerXp = (current.xpEarned ?? 0) + xp;
+
+    const { xp: _xp, ...progressionRest } = progression;
+
+    const recruitBestScore = input.difficulty === "recruit" ? difficultyBestScore : (current.recruitBestScore ?? 0);
+    const veteranBestScore = input.difficulty === "veteran" ? difficultyBestScore : (current.veteranBestScore ?? 0);
+    const eliteBestScore = input.difficulty === "elite" ? difficultyBestScore : (current.eliteBestScore ?? 0);
+    const recruitBestAccuracy =
+      input.difficulty === "recruit" ? difficultyBestAccuracy : (current.recruitBestAccuracy ?? 0);
+    const veteranBestAccuracy =
+      input.difficulty === "veteran" ? difficultyBestAccuracy : (current.veteranBestAccuracy ?? 0);
+    const eliteBestAccuracy =
+      input.difficulty === "elite" ? difficultyBestAccuracy : (current.eliteBestAccuracy ?? 0);
+
+    await payload.update({
+      collection: "profiles",
+      id: profile.id,
+      data: {
+        progression: {
+          ...progressionRest,
+          minigames: {
+            ...(progressionRest.minigames ?? {}),
+            aimTrainer: {
+              gamesPlayed,
+              bestScore,
+              recruitBestScore,
+              veteranBestScore,
+              eliteBestScore,
+              recruitBestAccuracy,
+              veteranBestAccuracy,
+              eliteBestAccuracy,
+              xpEarned: aimTrainerXp,
+            },
+          },
+        },
+      },
+      overrideAccess: true,
+      depth: 0,
+    });
+    broadcastToUser("profile-update", Number(user.id), {
+      reason: "xp",
+      xpGained: xp,
+      profileId: profile.id,
+    });
+
+    if (score > 0) {
+      const pct = Math.round(accuracy * 100);
+      await emitGameEvent(payload, {
+        type: EventTypes.MinigameAimTrainer,
+        message: `completed the Qualification Course (${input.difficulty}) with a score of ${score} (${pct}% accuracy)`,
+        actor: user.id as number,
+        targetCollection: "users",
+        targetId: user.id as number,
+        data: {
+          difficulty: input.difficulty,
+          score,
+          accuracy,
+          xpEarned: xp,
+          bestScore,
+          difficultyBestScore,
+          aimTrainerXp,
+        },
+      });
+    }
+
+    return {
+      success: true,
+      data: {
+        gamesPlayed,
+        bestScore,
+        recruitBestScore,
+        veteranBestScore,
+        eliteBestScore,
+        recruitBestAccuracy,
+        veteranBestAccuracy,
+        eliteBestAccuracy,
+        aimTrainerXp,
+        xpEarned: xp,
+        score,
+        accuracy,
+      },
+    };
+  } catch (error) {
+    const message = error instanceof Error ? error.message : "Unknown error";
+    if (message === "Unauthorized") {
+      return { success: false, error: "You must be logged in." };
+    }
+    return { success: false, error: message };
+  }
+}
diff --git a/src/utils/event-log/eventTypes.ts b/src/utils/event-log/eventTypes.ts
index 4d1dc8c..affa04f 100644
--- a/src/utils/event-log/eventTypes.ts
+++ b/src/utils/event-log/eventTypes.ts
@@ -64,6 +64,7 @@ export const EventTypes = {
   MinigameFlappy: "minigame:flappy",
   MinigameEod: "minigame:eod",
   MinigameRadioTraffic: "minigame:radio-traffic",
+  MinigameAimTrainer: "minigame:aim-trainer",
 
   // Market
   MarketListingCreate: "market:listing-create",