Simplify the following text for a Grade 5 native English-speaking person.
Original: Prequels and sequels The games Genso Suikogaiden Volumes 1 and 2 , though not part of the main series takes place before , during and after Suikoden II as well as Suikoden Tactics which takes place before and after Suikoden IV .
Simplified: There have been five main Suikoden games made . Suikoden 1 and 2 were released on the first Playstation .