Hopefully there's okay comments on things now

Assets/GameState.cs

@@ -24,8 +24,10 @@ public class GameState : MonoBehaviour
 		
 	}
 	public void NewWave() {
+		// Spawn ratbots around the player
+		// Amount, health, and damage scale with waves
 		state = "WAVE";
-		Vector3 playerPosition = GameObject.FindGameObjectWithTag("Player").GetComponent<Teo>().transform.position;
+		Vector3 playerPosition = GameObject.FindGameObjectWithTag("Player").transform.position;
 		for (uint _ = 0; _ < wave; _++) {
 			GameObject newRatbot = Instantiate(
 				ratbot,

Assets/Player.prefab

@@ -107,6 +107,7 @@ MonoBehaviour:
   moveSpeed: 15
   swingRange: 2
   damageStrength: 10
+  attackCooldownSeconds: 2
 --- !u!50 &-4152331571693237436
 Rigidbody2D:
   serializedVersion: 5

Assets/Ratbot.cs

@@ -9,20 +9,20 @@ public class Ratbot : MonoBehaviour
 	float lastDamageTime;
 	GameState gameState;
 	GameObject player;
-    // Start is called once before the first execution of Update after the MonoBehaviour is created
-    void Start()
-    {
+
+    void Start() {
+		// Set gameState and player objects
 		player = GameObject.FindGameObjectWithTag("Player");
 		gameState = GameObject.FindGameObjectWithTag("GameController").GetComponent<GameState>();
     }
 
-    // Update is called once per frame
-    void Update()
-    {
+    void Update() {
+		// Constantly move towards player
 		Rigidbody2D controller = GetComponent<Rigidbody2D>();
 		Vector2 direction = (player.transform.position - transform.position).normalized;
 		controller.linearVelocity = direction*moveSpeed;
     }
+
 	void OnCollisionStay2D(Collision2D collision) {
 		// Deal damage when colliding with the player on a 0.5 second cooldown
 		if (collision.gameObject.tag != "Player") return;
@@ -30,6 +30,8 @@ public class Ratbot : MonoBehaviour
 		lastDamageTime = Time.fixedTime;
 		collision.gameObject.GetComponent<Teo>().health -= damageStrength;
 	}
+
+	// Die if health below zero
 	public void Damage(float hurtyAmount) {
 		health -= hurtyAmount;
 		if (health <= 0) {

Assets/Sword.cs

@@ -11,6 +11,7 @@ public class Sword : MonoBehaviour
     // Update is called once per frame
     void Update()
     {
+		// Point sword towards mouse cursor with garbage trig
 		transform.rotation = Quaternion.Euler(
 			new Vector3 (0, 0, Mathf.Atan2(
 				Screen.height/2 - Input.mousePosition.y,

Assets/Teo.cs

@@ -6,8 +6,10 @@ public class Teo : MonoBehaviour
 	public float moveSpeed = 10;
 	public float swingRange = 3;
 	public float damageStrength = 10;
+	public float attackCooldownSeconds = 2;
 	Rigidbody2D controller;
 	GameState gameState;
+	float lastAttackTime;
     // Start is called once before the first execution of Update after the MonoBehaviour is created
     void Start() {
 		controller = GetComponent<Rigidbody2D>();
@@ -16,12 +18,15 @@ public class Teo : MonoBehaviour
 
     // Update is called once per frame
     void Update() {
+		// Move player
 		controller.linearVelocity = new Vector2 (
 			Input.GetAxis("Horizontal"),
 			Input.GetAxis("Vertical")
 		).normalized * moveSpeed;
 
-		if (Input.GetMouseButtonDown(0)) {
+		// Attack on click if not on cooldown
+		if (Input.GetMouseButtonDown(0) && Time.fixedTime > lastAttackTime + attackCooldownSeconds) {
+			// Get all objects in range in the direction of cursor
 			RaycastHit2D[] hits = Physics2D.CircleCastAll(
 				transform.position,
 				swingRange,
@@ -30,6 +35,7 @@ public class Teo : MonoBehaviour
 					Screen.height/2 - Input.mousePosition.y
 				)
 			);
+			// Damage all ratbots in scanned area
 			foreach (RaycastHit2D hit in hits) {
 				Ratbot ratbot = hit.collider.GetComponent<Ratbot>();
 				if (ratbot == null) continue;

Assets/teoCropped.png.meta

@@ -96,6 +96,19 @@ TextureImporter:
     ignorePlatformSupport: 0
     androidETC2FallbackOverride: 0
     forceMaximumCompressionQuality_BC6H_BC7: 0
+  - serializedVersion: 4
+    buildTarget: WebGL
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    ignorePlatformSupport: 0
+    androidETC2FallbackOverride: 0
+    forceMaximumCompressionQuality_BC6H_BC7: 0
   spriteSheet:
     serializedVersion: 2
     sprites:
@@ -134,7 +147,8 @@ TextureImporter:
     secondaryTextures: []
     spriteCustomMetadata:
       entries: []
-    nameFileIdTable: {}
+    nameFileIdTable:
+      teoCropped_0: 4084514856309348668
   mipmapLimitGroupName: 
   pSDRemoveMatte: 0
   userData: