Yes, it was OGRE, however it was originally known as TANC and could be played on the PC, MAC, Amiga and C64. Code could be shared unchanged amongst the platforms, and it really was groundbreaking in many ways.
Hmm, you mean the same way the Linux kernel handles APIs? Isn't Linux one of the only OSs that refuses to use a stable API, and therefor breaks things regularly? So I guess Linux is broken by design as well in your world.
Then buy them in meatspace. Steam is incompatible with the basic usage you have in mind, and could very well stay that way indefinitely.
Give it up. It's rather obvious from all of your postings on this topic that you're a shill. Hope they're paying you well for all the shite that you're vomiting forth.
If it doesn't offend someone, it couldn't possibly interest anyone.
So who is more brainless? The patent office for granting this abomination? Or the person at Amazon who simply typed up a description of a common computing paradigm from 40 years ago?
You are in a maze of UUCP connections, all alike.