Captain Steel: Now there's so many from this countdown that I want to see (some I've heard of and others I haven't).
Here's my list, plus the ones I was seriously considering. Maybe you will find one here worth watching. Feel free to comment too.
My sci fi voting list
1. Blade Runner
2. 2001 A Space Odyssey
3. Never Let Me Go (2010)
4.
Robinson Crusoe on Mars (1964)
5. Logan's Run (1976)
6. Planet of the Apes (1968)
7. Solaris (1972)
8. Dune (1984)
9. Forbidden Planet (1956)
10.
Soylent Green (1973)
11. Starship Troopers (1997)
12. Another Earth (2011)
13. Gattaca (1997)
14.
The Incredible Shrinking Man (1957)
15. The Day the Earth Stood Still (1951)
16.
Journey to the Center of the Earth (1959)
17.
The Abyss (1989)
18.
X: The Man with the X-Ray Eyes (1963)
19.
Five Million Years to Earth (1967) AKA: Quatermass and the Pit
20. Donnie Darko (2001)
21. Predestination (2014)
22.
Seeking a Friend for the End of the World (2012)
23. Mad Max The Road Warrior (1981)
24.
Death Race 2000 (1975)
25. Cherry 2000 (1987)
Also seriously considered and in chronological order.
Dr. Jekyll and Mr. Hyde (1931)
Frankenstein (1931)
Destination Moon (1950)
When Worlds Collide (1951)
The War of the Worlds (1953)
Invasion of the Body Snatchers (1956)
The Monolith Monsters (1957)
The Blob (1958)
The Last Man on Earth (1964)
Fantastic Voyage (1966)
The Andromeda Strain (1971)
The Omega Man (1971)
Silent Running (1972)
Dark Star (1974)
A Boy and His Dog (1975)
Close Encounters of the Third Kind (1977)
Invasion of the Body Snatchers (1978)
TRON (1982)
The Adventures of Buckaroo Banzai Across the 8th Dimension (1984)
Terminator (1984)
Mad Max Beyond Thunder Dome (1985)
The Fly (1986)
Terminator 2: Judgment Day (1991)
Stargate (1994)
Tank Girl (1995)
Powder (1995)
Waterworld (1995)
Strange Days (1995)
12 Monkeys (1995)
The Truman Show (1998)
The Matrix (1999)
Vanilla Sky (2001)
Minority Report (2002)
Solaris (2002)
Moon (2009)
Melancholia (2011)
Upside Down (2012)
Space Station 76 (2014)
Ex Machina (2015)