December 2025 is shaping up to be one of Steam’s strongest months of the year, with 12 major PC game releases closing out the holiday season.

From expansions of beloved franchises to entirely new titles, here are the biggest games launching this month:

1) Starfield: Echo Frontier

A massive expansion introducing a new star system and a cinematic side campaign.

2) Frostpunk 3

The next evolution in city-survival strategy with harsher environments and deeper management.

3) ARC Raiders: Uprising

A co-op sci-fi shooter focused on survival and battles against massive robotic invaders.

4) Hollow Knight: Silk Reborn

A reimagined expansion featuring new biomes, enemy types, and extended lore.

5) Metro: Exodus Blackline

A next-gen remaster with brand-new story chapters and upgraded visuals.

6) Project EXE

Fast-paced action built on adaptive AI that learns from player behavior.

7) Dark Sun Chronicles

An open-world RPG where player choices reshape kingdoms and alliances.

8) Titanfall: Zero Origin

A long-awaited comeback featuring a new single-player mode and mech-focused combat.

9) Resident Evil: Outbreak Protocol

A survival-horror co-op experience set in a mutant-infested research complex.

10) Witchfire: Black Crusade

A major content expansion adding new areas, weapons, and end-game challenges.

11) Warframe: The Old Peace (PC Edition)

The full PC launch of the highly anticipated expansion.

12) Dune: Fall of Arrakis

A large-scale RTS set amidst political warfare on the desert world of Arrakis.

Why December 2025 Is Packed

Players are excited for:

• Multiple AAA-level expansions
• Major returns of iconic franchises
• Next-gen graphical enhancements
• Strong genre diversity across the lineup

Industry analysts expect December to break several Steam engagement records.