Go old school.
Destination Moon
This Island Earth
When Worlds Collide
The Time Machine
War of the Worlds
2001
Planet of the Apes (1968)
Soylent Green
The Omega Man
Silent Running
Rollerball
The Andromeda Strain
Logan's Run
Nice list.:thumbsup I'd point out that you probably mean the original War of the worlds and Time machine and not the newer ones (though time machine wasn't bad). Earth Vs The Flying saucers
the original The THing
I saw westworld mentioned so you gotta go with the sequel FUture world.
The Omega Man
Last Man on earth (vincent price's version of I Am Legend)
The original rollerball is good.
Sci-fi sorta: The original living dead movies
The original The Crazies (filmed 30 minutes from here)
Night of the comet
If you don't mind really silly and badly acted ones: Damnation Alley
Where Did All the People Go.
The Day After