Based on the, 2010 side scrolling platform game here , Gravity Guy is a must-have for your TI-Nspire! With the power of inverting gravity, you have the get Gravity Guy to the green portal at the end of each level. On the way, you’ll find different colored blocks, more different colored blocks, and more different colored blocks! Though the design is simple and the idea is elementary, this is a highly addicting game that's sure to glue your eyes to your calculator.



Design: 9/10
Simple UI.

Functionality: 9/10
No power-ups or special levels; just plain and simple.

Practicality: 10/10
Simple controls which are very easy to use.

Performance: 9.5/10
Smooth. However, it sometimes does stutter.

Overall: 9/10
Why would you not get this?!

Installation

(1) Download and install TI Connect CE on your computer if you don’t already have it.

(2) Download gravityguy.zip

(2) Unzip the folder and transfer the GravityGuy.tns file to your calculator using TI Connect CE.

(3) Now, select "GravityGuy" from your documents

(4) Use Arrow Keys to move to a level.

(5) Click Enter to select level

(6) Play!



Controls

[ENTER/TAB] - Invert Gravity
[ARROWS] - Select a level in Level Menu
[1/2/3/4] - Browse the menus
[ENTER] - Play a level

Source: https://www.ticalc.org/archives/files/fileinfo/447/44735.html