Comparison between the shortened R-Rated VHS released by Paramount Home Video and the uncut German DVD by Dragon.

Overall there are 34 differences:

31 cuts = 4 minutes and 34 seconds
3 alternative scenes = 6 seconds

The movie "Intruder" was released in 2 different versions in the USA - a heavily cut R-Rated Version that only came out on VHS, and an uncut Version that was released on DVD by Wizard Entertainment.

39 min
There's a missing side view of Danny's head whose eye is stabbed by a metal stick.
1 sec

44 min
The second shot of Joe with the knife in his head was cut out.
3 sec

47 min
The end of the shot of Tim with a knife in his stomach as well as the shot of his face distorted with pain were cut out. Additionally you see blood splattering against the soda can.
7 sec

47 min
A close up shot of the knife sticking in Tim's stomach.
5 sec

49 min
The squeezing machine squashes Bub's head.
4 sec

49 min
When the suqeezing machine goes down a little further, blood splatters out of Bub's smashed head.
1 sec

51 min
Two shots of Randy whose neck was impaled on the hook.
9 sec

51 min
A severed hand falls into the aquarium.
6 sec

53 min
The severed feet on the floor are shown again. For reasons of consistency, the following shot of Dave was cut out as well.
5 sec

55 min
The shot of Danny (who is badly injured) was replaced by a more harmless sequence where he holds his stabbed eye. In the Unrated he doesn't do so, therefore you can see the injury.
No difference in time.

R-Rated	Unrated

55 min
Ditto.
No difference in time.

R-Rated	Unrated

55 min
Danny is shown again.
2 sec

56 min
The scene where Dave's head is split in half by the saw (scraps of flesh splatter all over the place) was entirely cut out.
18 sec

59 min
Jenny passes the aquarium with the severed hand. In the R-Rated Version, you see a different aquarium.
R-Rated: +3 sec
Unrated: 9 sec

R-Rated	Unrated

59 min
Jenny faces Rany's impaled corpse. She starts to scream. Then follows a front view of Randy.
4 sec

60 min
The camera pans up from Jenny's face and shows some severed body parts. Then the camera pans back down.
12 sec

60 min
An additional shot of Randy on the hook.
2 sec

60 min
Jenny pushes Randy's corpse against the door to prevent the killer from entering the room.
8 sec

61 min
Jenny discovers Tim's cut-up upper half. For reasons of consistency, the following shot of Jenny was cut out as well.
5 sec

62 min
Joe's corpse rolls towards Jenny a little longer.
7 sec

62 min
The shot of Joe is longer towards the end of the scene. After a shot of Jenny, Joe's head falls to the side. Jenny starts to scream and Joe's corpse rides back up.
15 sec

62 min
Jenny discovers Dave's corpse - his head is dissected.
48 sec

62 min
Jenny rams a meat hook in Craig's neck.
0,5 sec

70 min
Jenny passes the aquarium again.
2,5 sec

70 min
The severed hand in the aquarium is shown again. Because of the reflection of the glass, Jenny can be seen looking around for Bill.
25 sec

72 min
The supplier spits blood against the window and then slips down on exactly this window. Behind him you can see Bill. Bill gives the supplier one last push with his knife which makes him fall to the ground. Then Bill turns to Jenny and gloatingly shows her the keys for the exit door which she was looking for all the time.
20 sec

74 min
There are a few missing shots of Bill holding Danny's head as well as missing shots of Jenny looking at him in horror. She wants to stab Bill with the knife but he is able to take it away from her.
30 sec

75 min
Bill hits Craig with the severed head.
2 sec

75 min
Ditto.
3 sec

75 min
And the same thing happens once again.
2 sec

75 min
Bill drops the head on Craig.
4 sec

78 min
Craig hits Bill with the cleaver several times. In the R-Rated you only see him hitting Bill once.
13 sec

78 min
Bill again gets beaten several times with the cleaver.
6 sec

78 min
Bill can be seen motionlessly lying in the blood besmeared phone booth.
4 sec