What changed in Serious Sam 3: BFE in 2013

Players must use all three melee trophies on the Christmas trees to activate them.

A festive Christmas tree on each level that can be decorated with items to unlock a secret achievement and the Reindeer Hunter outfit.

Players must use all three melee trophies on the Christmas trees to activate them.

Garland decorations added to levels to enhance the holiday atmosphere.

Garland added to levels to enhance the holiday atmosphere.

Holiday gift boxes hidden throughout the game provide health, armor, and ammo boosts.

A festive Christmas tree on each level that players can decorate to unlock the Reindeer Hunter outfit.

Holiday gift boxes hidden throughout the game provide health, armor, and ammo boosts.

Upgrade to Serious Sam Double D XXL includes new levels, guns, and vehicles.

Upgrade to Serious Sam Double D XXL includes new levels, guns, and vehicles for free.

Includes Serious Sam 3 sledgehammers as an in-game weapon.

The ability to upgrade from the basic game to the Gold package is now available again after a temporary unavailability.

The Bonus Pack includes new content such as MP Skin, Sniper Scope, Making of Video, Digital Artbook, Hi-Res Posters, Box Art, and Official Soundtrack.

The Bonus Pack includes new content such as MP Skin, Sniper Scope, Making of Video, Digital Artbook, Hi-Res Posters, Hi-Res Box Art, and Official Soundtrack.

The ability to upgrade the basic game to Deluxe (Gold) is now available again after a temporary unavailability.

Serious Sam 3: BFE now supports Steam Trading Cards, allowing players to collect them.

Serious Sam 3: BFE now supports Steam Trading Cards.