: Includes a brand-new original campaign featuring 8 new maps and a unique final boss.
: Adds three new weapons: the XL4-P 'Ghostbuster' Beam Gun , the CDF-ST-005 Plasmathrower , and the MKII-B Minelayer .
: This specific release package by PLAZA includes the game's initial full version (v1.0), with an approximate download size of 1.4 GB . System Requirements Serious Sam Classics Revolution-PLAZA
: Powered by an updated Serious Engine 1 , it features full 64-bit compatibility , advanced graphics shader support, and hundreds of bug fixes. New Arsenal & Enemies :
: Combines both Serious Sam Classic: The First Encounter and The Second Encounter into a single standalone product. : Includes a brand-new original campaign featuring 8
: Developed by Alligator Pit (a fan team) with support from Croteam , and published by Devolver Digital . Platform : Exclusively available for PC (Windows) .
: A new high-score-driven mode playable in both single-player and co-op. System Requirements : Powered by an updated Serious
: Enhanced multiplayer options including Capture the Flag , Control Zone , and Team Deathmatch . Release Information