diff --git a/challenges/bottles-of-beer-song.js b/challenges/bottles-of-beer-song.js
index 8dbd822..3b6591b 100644
--- a/challenges/bottles-of-beer-song.js
+++ b/challenges/bottles-of-beer-song.js
@@ -22,3 +22,23 @@
 */
 
 // YOUR CODE HERE
+
+function bottlesOfBeer(n) {
+  for (var i = n; i > 0; i--) {
+    if (i > 1) {
+    console.log(i + " bottles of beer on the wall,");
+    console.log(i + " bottles of beer!");
+    console.log("Take one down and pass it around,");
+    if (i-1 === 1) {
+      console.log("One bottle of beer on the wall...");
+    } else {
+      console.log((i-1) + " bottles of beer on the wall...");
+    }
+  } else if (i === 1) {
+    console.log("One bottle of beer on the wall,");
+    console.log("One bottle of beer!");
+    console.log("Take it down and pass it around,");
+    console.log("No more bottles of beer on the wall! :(");
+   }
+  }
+};
diff --git a/challenges/palindrome-detector.js b/challenges/palindrome-detector.js
index 86e0a62..bff29cf 100644
--- a/challenges/palindrome-detector.js
+++ b/challenges/palindrome-detector.js
@@ -21,3 +21,7 @@
 */
 
 // YOUR CODE HERE
+
+function isPalindrome(input) {
+  return (input.split('').reverse().join('') === input);
+};
diff --git a/challenges/primes.js b/challenges/primes.js
index d95fd9e..d5eec4b 100644
--- a/challenges/primes.js
+++ b/challenges/primes.js
@@ -10,3 +10,21 @@
 */
 
 // YOUR CODE HERE
+
+function isPrime(num) {
+  for (var i = 2; i < num; i++) {
+    if (num % i === 0) {
+      return false;
+    }
+  } return true;
+};
+
+function primes(max) {
+  let primesArray = [];
+
+  for (var i=2; i < max; i++) {
+    if (isPrime(i)) {
+      primesArray.push(i);
+    }
+  } return primesArray;
+};
diff --git a/challenges/shakespearian-insult-generator.js b/challenges/shakespearian-insult-generator.js
index 15b79f0..d0ae3a4 100644
--- a/challenges/shakespearian-insult-generator.js
+++ b/challenges/shakespearian-insult-generator.js
@@ -17,3 +17,11 @@ var second_word = ["weather-bitten", "unchin-snouted", "toad-spotted", "tickle-b
 var third_word = ["wagtail", "whey-face", "vassal", "varlet", "strumpet", "skainsmate", "scut", "ratsbane", "pumpion", "puttock", "pignut", "pigeon-egg", "nut-hook", "mumble-news", "moldwarp", "miscreant", "minnow", "measle", "mammet", "malt-worm", "maggot-pie", "lout", "lewdster", "joithead", "hugger-mugger", "horn-beast", "hedge-pig", "harpy", "haggard", "gudgeon", "giglet", "fustilarian", "foot-licker", "flirt-gill", "flax-wench", "flap-dragon", "dewberry", "death-token", "codpiece", "coxcomb", "clotpole", "clack-dish", "canker-blossom", "bum-bailey", "bugbear", "boar-pig", "bladder", "barnacle", "baggage", "apple-john"];
 
 // YOUR CODE HERE
+
+
+function insultGen() {
+  let one = first_word[parseInt(Math.random() * first_word.length)];
+  let two = second_word[parseInt(Math.random() * second_word.length)];
+  let three = third_word[parseInt(Math.random() * third_word.length)];
+  return ()"You " + one + ", " + two + ", " + three + "you!");
+};