20th Century Boys 1: Beginning of the End (2008)

The stories of these 2 are very similar, in both of them there is a false religious sect that spreads fear and recruits people to follow their religion.

Both are mystery movies about death games. Both are very similar........................................

Both 20th Century Boys and Death Note are based on an action genre manga series.

20th Century Boys 1: Beginning of the End is the prequel of 20th Century Boys 3: Redemption.
Audiences need to watch this in order to know the whole story.

Both are about 'Friend'. Both are survival death games. Both are based on famous manga......................................