What methods did the nazis use to carry out the extermination of jewish people and other targeted groups?

Some of the methods used were: 1. Death by firing squad 2. Showers of carbon monoxide while showering 3. Zyklon B (also used to kill live)

One of the weirder ones is that they tricked ppl to walk inside vans where they were driven to a nearby forest with fumes to be buried or burned