What's New (for v3.0): • Optimized for all modern iPhones and iPads • Added Tip Jar to support development • Improved Game Center integration • UI and performance improvements

This app has been updated by Apple to display the Apple Watch app icon. Fixed to work with plus version of devices. Should work with all devices running iOS 7.0 and up.

Fixed for iOS 11 and problem with Plus phone models. Should work for all models now from iOS 7 and up.

Added Chapter 3 Levels 1-10. This is 10 new levels!

Per request from Valve Corporation, Portal-A-Ball is now a free application.

No more ads. Paid app version only now.

Fixed some bugs that got introduced in 1.4. Sorry! I was adding new levels and inadvertently broke a couple of things. This version has been checked thoroughly, so it should be good.

Added levels 11 through 19 on Chapter 2. That makes a total of 2 Chapters with 19 levels each (19 to honor Portal 1), for a total of 38 levels! More levels coming soon!

Made the app compatible with iOS 7.0 and 3.5 inch form factor. All iPhone 5C's and 5S's will work, and other iPhones (3GS, 4, 4S, 5) that have had a software update to at least iOS 7.0 will work. Also, iPads with at least iOS 7.0 will work.

Added Game Center! Also, I did not realize that SpriteKit did not work properly with anything less that iOS 7.1. So I apologize to anyone that downloaded version 1.1 on devices with iOS 7.0 or earlier. If you want to play this game, you need iOS 7.1. Added Lasers, Laser Reflector Cubes and Switches, and a whole new chapter with 10 new levels. More levels coming soon!!!

Added levels all the way to 19, to pay homage to Portal 1. There will be more chapters coming soon. Also, made game work for devices with iOS 6.0 and later (was only 7.1 before). In scene 2 (levels 11- 19) added shooting turrets, light bridges, and some dual portal capability.