diff --git a/modules/gammaBidAdapter.js b/modules/gammaBidAdapter.js
index ce5c4ef25448..add3aad520b0 100644
--- a/modules/gammaBidAdapter.js
+++ b/modules/gammaBidAdapter.js
@@ -1,6 +1,5 @@
 import * as utils from 'src/utils';
 import { registerBidder } from 'src/adapters/bidderFactory';
-import find from 'core-js/library/fn/array/find';
 
 const ENDPOINT = 'hb.gammaplatform.com';
 const BIDDER_CODE = 'gamma';
@@ -27,11 +26,15 @@ export const spec = {
    * @return ServerRequest Info describing the request to the server.
    */
   buildRequests: function(bidRequests) {
-    const gaxObjParams = find(bidRequests, hasParamInfo);
-    return {
-      method: 'GET',
-      url: '//' + ENDPOINT + '/adx/request?wid=' + gaxObjParams.params.siteId + '&zid=' + gaxObjParams.params.zoneId + '&hb=pbjs&bidid=' + gaxObjParams.bidId + '&urf=' + encodeURIComponent(utils.getTopWindowUrl())
-    };
+    const serverRequests = [];
+    for (var i = 0, len = bidRequests.length; i < len; i++) {
+      const gaxObjParams = bidRequests[i];
+      serverRequests.push({
+        method: 'GET',
+        url: '//' + ENDPOINT + '/adx/request?wid=' + gaxObjParams.params.siteId + '&zid=' + gaxObjParams.params.zoneId + '&hb=pbjs&bidid=' + gaxObjParams.bidId + '&urf=' + encodeURIComponent(utils.getTopWindowUrl())
+      });
+    }
+    return serverRequests;
   },
 
   /**
@@ -94,8 +97,4 @@ function newBid(serverBid) {
   return bid;
 }
 
-function hasParamInfo(bid) {
-  return !!bid.params;
-}
-
 registerBidder(spec);
diff --git a/test/spec/modules/gammaBidAdapter_spec.js b/test/spec/modules/gammaBidAdapter_spec.js
index 1f3f225336e0..5ff959cfb21d 100644
--- a/test/spec/modules/gammaBidAdapter_spec.js
+++ b/test/spec/modules/gammaBidAdapter_spec.js
@@ -6,22 +6,23 @@ import { newBidder } from 'src/adapters/bidderFactory';
 describe('gammaBidAdapter', function() {
   const adapter = newBidder(spec);
 
-  describe('isBidRequestValid', () => {
-    let bid = {
-      'bidder': 'gamma',
-      'params': {
-        siteId: '1465446377',
-        zoneId: '1515999290'
-      },
-      'adUnitCode': 'adunit-code',
-      'sizes': [
-        [300, 250]
-      ],
-      'bidId': '23beaa6af6cdde',
-      'bidderRequestId': '19c0c1efdf37e7',
-      'auctionId': '61466567-d482-4a16-96f0-fe5f25ffbdf1',
-    };
+  let bid = {
+    'bidder': 'gamma',
+    'params': {
+      siteId: '1465446377',
+      zoneId: '1515999290'
+    },
+    'adUnitCode': 'adunit-code',
+    'sizes': [
+      [300, 250]
+    ],
+    'bidId': '23beaa6af6cdde',
+    'bidderRequestId': '19c0c1efdf37e7',
+    'auctionId': '61466567-d482-4a16-96f0-fe5f25ffbdf1',
+  };
+  let bidArray = [bid];
 
+  describe('isBidRequestValid', () => {
     it('should return true when required params found', () => {
       expect(spec.isBidRequestValid(bid)).to.equal(true);
     });
@@ -40,56 +41,41 @@ describe('gammaBidAdapter', function() {
   });
 
   describe('buildRequests', () => {
-    let bidRequests = [
-      {
-        'bidder': 'gamma',
-        'params': {
-          siteId: '1465446377',
-          zoneId: '1515999290'
-        },
-        'adUnitCode': 'adunit-code',
-        'sizes': [
-          [300, 250]
-        ],
-        'bidId': '23beaa6af6cdde',
-        'bidderRequestId': '19c0c1efdf37e7',
-        'auctionId': '61466567-d482-4a16-96f0-fe5f25ffbdf1'
-      }
-    ];
-
-    const request = spec.buildRequests(bidRequests);
-
-    it('sends bid request to our endpoint via GET', () => {
-      expect(request.method).to.equal('GET');
-    });
-
-    it('bidRequest url', () => {
-      expect(request.url).to.match(new RegExp(`hb.gammaplatform.com`));
+    it('should attempt to send bid requests to the endpoint via GET', () => {
+      const requests = spec.buildRequests(bidArray);
+      requests.forEach(function(requestItem) {
+        expect(requestItem.method).to.equal('GET');
+        expect(requestItem.url).to.match(new RegExp(`hb.gammaplatform.com`));
+      });
     });
   });
 
   describe('interpretResponse', () => {
-    let serverResponse = {
-      body: {
-        'id': '23beaa6af6cdde',
-        'bid': '5611802021800040585',
-        'type': 'banner',
-        'cur': 'USD',
-        'seatbid': [{
-          'seat': '5611802021800040585',
-          'bid': [{
-            'id': '1515999070',
-            'impid': '1',
-            'price': 0.45,
-            'adm': '<!-- Creative -->',
-            'adid': '1515999070',
-            'dealid': 'gax-paj2qarjf2g',
-            'h': 250,
-            'w': 300
+    let serverResponse;
+
+    beforeEach(() => {
+      serverResponse = {
+        body: {
+          'id': '23beaa6af6cdde',
+          'bid': '5611802021800040585',
+          'type': 'banner',
+          'cur': 'USD',
+          'seatbid': [{
+            'seat': '5611802021800040585',
+            'bid': [{
+              'id': '1515999070',
+              'impid': '1',
+              'price': 0.45,
+              'adm': '<!-- Creative -->',
+              'adid': '1515999070',
+              'dealid': 'gax-paj2qarjf2g',
+              'h': 250,
+              'w': 300
+            }]
           }]
-        }]
-      }
-    };
+        }
+      };
+    })
 
     it('should get the correct bid response', () => {
       let expectedResponse = [{