Built out a simple level with some puzzles

Assets/Scripts/Damagers/FireDamager.cs

@@ -5,7 +5,7 @@ using UnityEngine;
 //shootable
 public class FireDamager : DamagerBase {
 	void OnTriggerEnter2D(Collider2D collider) {
-		if (collider.gameObject.GetComponent<FireDamager> () == null) { //pass through other instances of self
+		if (collider.gameObject.GetComponent<FireDamager> () == null && collider.gameObject.GetComponent<BlockGap> () == null) { //pass through other instances of self
 			Destroy (gameObject);
 		}
 	}

Assets/Scripts/Damagers/IceDamager.cs

@@ -0,0 +1,12 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+//shootable
+public class IceDamager : DamagerBase {
+	void OnTriggerEnter2D(Collider2D collider) {
+		if (collider.gameObject.GetComponent<IceDamager> () == null && collider.gameObject.GetComponent<BlockGap> () == null) { //pass through other instances of self
+			Destroy (gameObject);
+		}
+	}
+}

Assets/Scripts/Damagers/IceDamager.cs.meta

@@ -0,0 +1,13 @@
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