Also, Red Faction Guerrilla is on sale. It's wicked cool with wicked series. Armageddon sucks - it's a shooter on rails. They have this amazing physics engine where everything can be destroyed, from thick squad buildings to the highest towers, and they put you in tiny, claustrophobic little tunnels. I hate whoever made that decision!
But that just means that you no longer just go around, aimlessly building up government buildings, losing morale because of those civilians inside! It's much better this way, because the buildings are so much closer together so you can spend your entire time destroying building after building with no consequences! (Actual stated opinion of developers)
It just doesn't feel the same. In Guerrilla you can get a bunch of remote charges, stick 18 of them (Fully upgraded) to the back of a truck at the safehouse, storm an EDF position, using the trucks guns to blast a hole through, and then jump out and use the explosives to blast a really big hole in a high priority building. And then you can use your nano rifle to pick off the guards not killed in the initial attack, and use the thermobaric rocket to level those buildings still standing. Then you can go to a resupply crate, switch out your weapons for a regular rocket launcher, remote charges, and the arc welder, fight your way through to an EDF tank, use the arc welder to hijack it, and carve your way back to your safehouse. Where you restock on ammo and go blow some more stuff up. But this time you have a TANK. In Armageddon you... use the weapons that you never had to work for, in confined spaces, where there are so many enemies and so much natural cover that blowing up that nearby building (With a single shot, as you didn't need to put any effort in finding it's supports, or planting explosives) does absolutely nothing. There's just no satisfaction or challenge in it. And finally, in Guerrilla I can remember exactly three man made things that couldn't be destroyed. A statue in the Badlands (Because it held something), some rebar in Eos, and some of the bridges in Eos (Which were mostly built out of stone, and were so thick that you would of needed all your explosives. Plus, navigating those mountain roads were hell enough with bridges). In the first level of Armageddon at least three quarters of what you saw around you was invincible.
Guerrilla is easily among my top three favorite games, and armegeddon is easily in my least favorite two.