"New Gods: The game includes five new gods that players can worship and use to gain powers and abilities." Here, "includes" same as before. "worship" could be venerate, revere, appease. "gain" as acquire, obtain, unlock. So: The game contains five new gods that players can venerate and use to gain powers and abilities.
Next sentence: "key features include:" – "key" can be main, important, primary. So key. PORTABLE Download Age Of Mythology Extended Edition
First, look at the original text. The main sections are Features, System Requirements, and Downloading. Proper nouns like "Age of Mythology Extended Edition" stay as they are. "New Gods: The game includes five new gods