The plot begins with Sam being summoned by the . They reveal that Mental is nearly invincible unless Sam can reassemble the Great Medallion of Virtue . This ancient artifact was shattered into five pieces, which are now scattered across five different planets, each protected by a powerful guardian. The Five Worlds
: The skeletal homeworld of the iconic Kleer enemies, featuring a dark, gothic atmosphere. Serious.Sam.2.v2.90-SKIDROW.rar
: A planet with a futuristic Asian aesthetic, guarded by a mechanical dragon. The plot begins with Sam being summoned by the