That's about as good as it gets.
With all this buzz about the recent RAGE 2 announcement and its close May 14, 2019 release date, I wanted to help out new fans by finding the best deal for the first game.
Green Man Gaming has a special "Origin BUNDLE" with the following Windows PC games on sale for $3.99 (90 percent off the total list price):
Injustice Gods Among Us Ultimate Edition.
Even if you're not interested in playing Injustice Gods Among Us Ultimate Edition and Insurgency; that's the cheapest copy of RAGE that I could find. Please note that all of those games requires a free Steam account to activate and play.
RAGE is an intense first-person shooter that's powered by id Software's stunning id Tech 5 game engine. The game looks way ahead of its time, and although the main story takes only 11 hours to complete, its post-apocalyptic world is quite fun to explore. Here's a trailer for the game: