Similar movies to "Alien" / "Predator" franchises

[Xeno Infestation]

Hey guys, let's create a list of sci-fi or horror movies/cartoons/cutscenes/fan movies, which are similar or a bit similar to "Alien" / "Predator" franchises

so i would start with those:

- The Thing (1982)
- The Thing (2011)
- Screamers
- Screamers: The Hunting
- Doom
- Ghosts of Mars

please don't name movies like Terminator, Star Trek, Star Wars, Transformers, Avatar or Marvel/DC Comics because these are not even close to what I mean

[426Buddy]

Leviathon - Great alien rip off, maybe the best. The great Peter Weller
Pandorum - Just okay imo
Forbidden Planet - Classic
Deep Star Six - Terrible but fun
Event Horizon - good but could have been great.

[Sabres21768]

The Hallow
Deep Rising
The Relic
Altitude
Feast
Europa Report
Splinter
Last Days On Mars
The Cave
Mimic
Slither
Species
The Host
The Ruins
Pitch Black
Pumpkinhead
Tremors

[Xeno Infestation]

cool, it's a good start, definitely going to watch some most of them later

also would recommend animated Dead Space movie series:

Dead Space: Downfall (2008)
Dead Space: Aftermath (2011)

[Scree]

Eden Log
Dante 01
Supernova
Red Planet
Xtro
Harbinger Down
Jason X