Dreamy Cecil

An unofficial patch for classic Serious Sam games that includes a lot of features that aren't present in official games.
Mod that adds Cooperative and Deathmatch player bots.
Utility for classic Serious Sam games that packs WLD files with its resources into GRO archives.

Serious Engine Projects

Big projects on different versions of Serious Engine 1. Includes TFE 1.05, TSE 1.05 & 1.07 and 1.10.

Serious Sam Mods

Mods for classic Serious Sam games (primarily The Second Encounter v1.07).

Serious Sam Maps

Maps for classic Serious Sam games (primarily The Second Encounter v1.07).

Other Serious Sam Content

Other content related to Serious Sam games that isn't custom maps or mods. Tools, assets etc.