Hmmm, well if I understand the intent of the gift my advice would be "Planet Alcatraz" from Gamersgate.
To explain this one, a title you've never heard of probably, it's one of those objectively terrible, but oddly entertaining games. It has probably the worst voice acting in history, which might not even have relevency to what your doing. We're talking "makes Two World look like Oscar material" here.
The game itself is a top down RPG where your some kind of special agent called a Vampire (if I remember) sent to perform a "Escape From NEw York" type rescue on a prison planet. Your shuttle crashes, killing the rest of your team, and hilarity ensues.
The game itself looks like it's from the mid-late 1990s, looking and playing similarly to "Fallout 2" which the game seems to borrow liberally from, including things like choosing 3 skills to "tag" for your character upon creation.
I believe the game was made in Russia.
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If your considering "Left Behind" I actually recommend against it. To be honest it's bad, but not THAT bad, and to be fair it is based on a rather popular series of Christian fantasy novels. To really "get it" you would have had to read them. It's really no more offensive than anything based on any other mythology (like that Revelation 2012 game) just a differant take on the end of the world, if your not a Christian and don't believe it, it can be appreciated on those merits.
If you want OFFENSIVE, I recommend finding a game called "Ethnic Cleansing" a white supremacist video game based around saving the world (violently) from minorities. You can play as a KKK member or a Skinhead, and the game includes RL instructions for getting in touch with real white supremecist groups. The stated intent of the game being to "give white kids hope". Take your guns to the ghetto, secret jewish enclaves, and eventually make it to Isreal for a showdown with a rocket launcher wielding Ariel Sharon. It's needless to say dated (I think right on the edge of what your talking about). A guy I met was showing it off on his laptop, he picked it up as a paid download. One of those "I can't believe it actually exists" games.
At any rate those are a couple of suggestions that will probably catch your friend by surprise. I consider Planet Alcatraz sort of the "Deadly Premonition" of PC games on a lot of levels so that's probably the best choice if you actually want to see him play the game for a while, as opposed to just snicker and never actually play it.