diff --git a/backend/src/controllers/gamesController.js b/backend/src/controllers/gamesController.js
index 183a4e7..89f0e76 100644
--- a/backend/src/controllers/gamesController.js
+++ b/backend/src/controllers/gamesController.js
@@ -233,6 +233,14 @@ function hangmanWord(req, res) {
   });
 }
 
+// Анти-фарм: XP за игры начисляется по «честному слову» клиента, поэтому
+// ограничиваем число начислений за тип игры в сутки (счёт по xp_log.reason).
+const DAILY_WIN_CAP = 10;
+function _gameWinsToday(userId, reason) {
+  try { return db.prepare("SELECT COUNT(*) AS n FROM xp_log WHERE user_id=? AND reason=? AND created_at >= date('now')").get(userId, reason).n; }
+  catch (e) { return 0; }
+}
+
 /* ── POST /api/games/hangman/complete ─────────────────────────────────── */
 function hangmanComplete(req, res) {
   const { won, errors } = req.body;
@@ -243,6 +251,7 @@ function hangmanComplete(req, res) {
     // 15 XP perfect, -2 per error, min 5
     xpGain = Math.max(5, 15 - (Number(errors) || 0) * 2);
   }
+  if (xpGain > 0 && _gameWinsToday(req.user.id, 'hangman_win') >= DAILY_WIN_CAP) xpGain = 0;
 
   if (xpGain > 0) {
     try { awardXP(req.user.id, xpGain, 'hangman_win'); } catch (e) { console.error('[games] hangman XP:', e.message); }
@@ -299,6 +308,7 @@ function crosswordComplete(req, res) {
   if (completed) {
     xpGain = Math.max(5, 20 - (Number(hintsUsed) || 0) * 3);
   }
+  if (xpGain > 0 && _gameWinsToday(req.user.id, 'crossword_win') >= DAILY_WIN_CAP) xpGain = 0;
 
   if (xpGain > 0) {
     try { awardXP(req.user.id, xpGain, 'crossword_win'); } catch (e) { console.error('[games] crossword XP:', e.message); }
diff --git a/backend/src/controllers/lessonController.js b/backend/src/controllers/lessonController.js
index 177c842..695f3b8 100644
--- a/backend/src/controllers/lessonController.js
+++ b/backend/src/controllers/lessonController.js
@@ -186,6 +186,10 @@ function markComplete(req, res) {
   const lesson = db.prepare('SELECT * FROM lessons WHERE id = ?').get(req.params.id);
   if (!lesson) return res.status(404).json({ error: 'Lesson not found' });
 
+  // Награду даём только при ПЕРВОМ завершении (анти-фарм повторными POST).
+  const prev = db.prepare('SELECT completed FROM lesson_progress WHERE user_id = ? AND lesson_id = ?').get(req.user.id, lesson.id);
+  const firstCompletion = !prev || prev.completed !== 1;
+
   db.prepare(`
     INSERT INTO lesson_progress (user_id, lesson_id, completed, updated_at)
     VALUES (?, ?, 1, datetime('now'))
@@ -201,7 +205,7 @@ function markComplete(req, res) {
     WHERE l.course_id = ? AND lp.user_id = ? AND lp.completed = 1
   `).get(lesson.course_id, req.user.id).n;
 
-  try { onLessonComplete(req.user.id, lesson.course_id); } catch {}
+  if (firstCompletion) { try { onLessonComplete(req.user.id, lesson.course_id); } catch {} }
   res.json({ ok: true, courseComplete: done >= total && total > 0 });
 }