diff --git a/src/Audio.cpp b/src/Audio.cpp
index 25fb7b6..9749022 100644
--- a/src/Audio.cpp
+++ b/src/Audio.cpp
@@ -5,7 +5,6 @@
 void Audio::update() {
 	auto cmd = pop();
 
-	std::cout << "Playing sound: " + std::to_string(cmd->soundId) << std::endl;
 	// use volume, soundId to play sound
 
 	delete cmd;
diff --git a/src/Event.h b/src/Event.h
index 3ecbdff..139fd4c 100644
--- a/src/Event.h
+++ b/src/Event.h
@@ -58,6 +58,7 @@ struct WallJumpEvent : GameEvent {
 };
 
 struct WallCrashEvent : GameEvent {
+	double wallHeight = 0;
 	Player * player = nullptr;
 };
 
diff --git a/src/FileManager.cpp b/src/FileManager.cpp
index 2ae8e1e..501be0f 100644
--- a/src/FileManager.cpp
+++ b/src/FileManager.cpp
@@ -1,5 +1,6 @@
 #include "FileManager.h"
 #include <iostream>
+#include <fstream>
 
 void FileManager::update() {
 	auto cmd = pop();
@@ -14,17 +15,24 @@ void FileManager::readFile(const std::string &path, const std::function<void(std
 	push(cmd);
 }
 
-void FileManager::writeFile(const std::string &path, const std::string &content) {
+void FileManager::writeFile(const std::string &path, const std::string &content, bool append) {
 	auto cmd = new FileWriteCommand;
 	cmd->path = path;
 	cmd->content = content;
+	cmd->append = append;
 	push(cmd);
 }
 
+FileManager * FileManager::instance = new FileManager;
+
 void FileReadCommand::execute() {
 
 }
 
 void FileWriteCommand::execute() {
-
+	std::ofstream out;
+	auto mode = append ? std::ios_base::app : std::ios_base::out;
+	out.open(path, mode);
+	out << content;
+	out.close();
 }
diff --git a/src/FileManager.h b/src/FileManager.h
index c626cf3..32b2df5 100644
--- a/src/FileManager.h
+++ b/src/FileManager.h
@@ -14,12 +14,14 @@ struct FileReadCommand : FileCommand {
 
 struct FileWriteCommand : FileCommand {
 	std::string content;
+	bool append;
 	void execute() override;
 };
 
 class FileManager : private Queue<FileCommand>{
 	void update() override;
 public:
+	static FileManager * instance;
 	void readFile(const std::string &path, const std::function<void(std::string)> &readCallback);
-	void writeFile(const std::string &path, const std::string &content);
+	void writeFile(const std::string &path, const std::string &content, bool append=false);
 };
\ No newline at end of file
diff --git a/src/Game.cpp b/src/Game.cpp
index c61ad92..8d39976 100644
--- a/src/Game.cpp
+++ b/src/Game.cpp
@@ -2,6 +2,7 @@
 #include "Game.h"
 #include "InputWindow.h"
 #include "Window.h"
+#include "Logger.h"
 #include <random>
 
 void Game::draw(QPixmap &output) {
@@ -64,6 +65,7 @@ Game::Game() {
 	for (auto & spec : spectators)
 		Game::eventQueue->registerListener(&spec);
 	InputWindow::inputQueue->registerListener(&player);
+	Game::eventQueue->registerListener(new Logger);
 	instance = this;
 }
 
diff --git a/src/Logger.cpp b/src/Logger.cpp
new file mode 100644
index 0000000..dbb7a61
--- /dev/null
+++ b/src/Logger.cpp
@@ -0,0 +1,23 @@
+#include "Logger.h"
+#include "FileManager.h"
+
+#define MAX_STRING 100
+constexpr int eventStringMax = 6;
+
+void Logger::OnCoinCollected(CoinCollectEvent *event) {
+	char buffer[MAX_STRING];
+	sprintf(buffer, "Game event: %*s | time: %6.2f | value: %d\n", eventStringMax, "Coin", event->time, event->value);
+	FileManager::instance->writeFile("log.txt", buffer, true);
+}
+
+void Logger::OnWallJumped(WallJumpEvent *event) {
+	char buffer[MAX_STRING];
+	sprintf(buffer, "Game event: %*s | time: %6.2f | wall_height: %6.2f\n", eventStringMax, "Jump", event->time, event->wallHeight);
+	FileManager::instance->writeFile("log.txt", buffer, true);
+}
+
+void Logger::OnWallCrashed(WallCrashEvent *event) {
+	char buffer[MAX_STRING];
+	sprintf(buffer, "Game event: %*s | time: %6.2f | wall_height: %6.2f\n", eventStringMax, "Crash", event->time, event->wallHeight);
+	FileManager::instance->writeFile("log.txt", buffer, true);
+}
diff --git a/src/Logger.h b/src/Logger.h
new file mode 100644
index 0000000..d3e9fa2
--- /dev/null
+++ b/src/Logger.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#include "Listener.h"
+
+class Logger : public GameListener{
+protected:
+	void OnCoinCollected(CoinCollectEvent * event) override;
+	void OnWallJumped(WallJumpEvent * event) override;
+	void OnWallCrashed(WallCrashEvent * event) override;
+};
diff --git a/src/Player.cpp b/src/Player.cpp
index 5994ca3..1d38d97 100644
--- a/src/Player.cpp
+++ b/src/Player.cpp
@@ -41,6 +41,7 @@ void Player::update(float dTime, std::vector<Wall> &walls, std::vector<Coin>& co
 					wall.failed = true;
 					auto e = new WallCrashEvent;
 					e->time = Game::instance->eTime;
+					e->wallHeight = wall.size.height();
 					e->player = this;
 					Game::eventQueue->submitEvent(e);
 				}