Some Cleavage (during an action sequence, several weapons are shown, then a brief shot of a woman's cleavage, then more weapons)
A woman kisses a shrouded figure on an alter who acts as a communication device between her and her husband.
Not very graphic but pretty intense.
A man uses a tea cup to stab someone in the chest. Very little blood, but the victim falls down dead.
Several men are completely destroyed by extreme temperatures on a fiery planet. The flames erode them down to their skeletons. It is very brief.
Riddick stands atop a manhole cover, while the person below lifts it, searching for him. Riddick then stabs the man in the face with an anchor-like chain. The man later falls hunders of feet down a shaft to his (probable) death. Cheesy, not graphic.
1 use of the F word in the PG-13 version and 2 times in the R version. Standard PG-13 otherwise.
There are puma like lizard dogs on cremitoria. These may scare younger viewers. Riddick later tames one and pets it, but they are still very frightening and kill a few minor characters (offscreen).
Total Explicit Rating: 18/50
12+ for violence and frightening images.
About as graphic as The Bourne Identity or Mission Impossible.