How to
![How to Develop a Scoring System 1200x630](https://www.pubnub.com/cdn/3prze68gbwl1/2eOJiMa9BXdCrkEPHQfCnk/26aae018d60d3fa79567505f82ea8016/How-to-Develop-a-Scoring-System-_1200x630_-2__1_.png?w=360&h=200&fit=)
Gaming
How to Develop a Scoring System for a Game
Read our complete guide on developing a scoring system for a game. In this guide, you’ll learn to build a scoring system to make your game interactive and social.
![How-To: Building Collaborative Apps](https://www.pubnub.com/cdn/3prze68gbwl1/7k7dqDZYn6jT8Pudcvjs7g/ea3b2c6bd3250944a0089fb91b12a0ef/Screen_Shot_2022-08-30_at_11.33.57_AM.png?w=360&h=200&fit=)
Collaboration
Build Collaborative Applications
Follow this how-to and learn how you can build and power your real-time collaborative applications with PubNub.
![PubNub Portal How-To: Push Notifications for Android](https://www.pubnub.com/cdn/3prze68gbwl1/5TBAGKZp8xbaXNykvXpPoy/dab6198453019d1ccc2f6d34d382277a/Screen_Shot_2022-07-26_at_1.51.09_PM.png?w=360&h=200&fit=)
Push Notifications
Enabling Mobile Push Notifications: Android
Follow this how-to to enable PubNub's Mobile Push Gateway in the Admin Portal to send your Android users push notifications and alerts.
![how-to virtual events 1200](https://www.pubnub.com/cdn/3prze68gbwl1/IFOhssyArOlw6gExyhfZD/db531510b8cb52a44e884a8542db7446/how-to_virtual_events_1200.png?w=360&h=200&fit=)
Virtual Events
How to Build Chat for Virtual Events
Virtual events need chat to keep users engaged, but it's often a challenge to build a chat solution that works at scale and can handle the network load surges that occur during popular events. As a developer, you need to select a robust backend API provider capable of transmitting and receiving the high volume of messages that your viewers and participants generate.
![How to Build Interactive 2d Chat Games image](https://www.pubnub.com/cdn/3prze68gbwl1/6liRYLnM4ebZyoAPSfKch7/8d42207065740f2c7282de1d366c2f5c/how-to-2d-games.png?w=360&h=200&fit=)
Gaming
How to Build Interactive 2d Chat Games
In this guide, we describe why you’d want to build a 2d game, types of 2d games, and tips for making your 2d games interactive, social, and engaging.
![PubNub How-To's: Push Notifications 1200x630](https://www.pubnub.com/cdn/3prze68gbwl1/1zqaCINwvSnFLDqq2uPlNx/f122a8441c2321d971b88cd81fb36e2e/Screen_Shot_2022-06-06_at_4.00.06_PM.png?w=360&h=200&fit=)
Push Notifications
Push Notifications
Follow this how-to to learn more about how you can leverage push notifications in your application to better keep your users engaged and informed.
![How to IoT solution How to IoT solution](https://www.pubnub.com/cdn/3prze68gbwl1/1j4Pq5McvTKNuAskKp3b9d/4b6ca952794e75eb86eb960f762d08d4/How_To_Develop_an_IoT_Solution_with_PubNub.png?w=360&h=200&fit=)
IoT
How to develop an IoT solution with PubNub
Learn how to develop an IoT solution with PubNub, allowing you to monitor and control a global fleet of IoT devices in real-time
![How-To: Add PubNub to Your Unity Game to Power Online Features](https://www.pubnub.com/cdn/3prze68gbwl1/71v1G8YDuat1GVvyCcnT5p/cd303b4cee6e8e362046ef6e772cf15b/Screen_Shot_2022-10-20_at_5.22.08_PM.png?w=360&h=200&fit=)
Gaming
Add PubNub to Your Unity Game to Power Online Features
Follow this how-to and learn how you can add PubNub to your Unity game to power online features.
![PubNub Admin Portal How-to: iOS Push Notifications](https://www.pubnub.com/cdn/3prze68gbwl1/204HPoStJBbM1dSarijmBV/335ec7eb1491141c6ba3b37f3ecb0b0c/Screen_Shot_2022-07-30_at_9.03.29_AM.png?w=360&h=200&fit=)
Push Notifications
Enabling APNs Mobile Push Notifications
Follow this how-to to enable PubNub's Mobile Push Gateway in the Admin Portal to send your iOS users push notifications and alerts using APNs.