Steam Gives Away 2 Games for Life and a Huge Premium Expansion

by Jonathan Dubinski December 29, 2025

written by Jonathan Dubinski December 29, 2025

Key Takeaways

Created with AI - we're still experimenting, so apologies if it misses the mark

Caveman World: Mountains of Unga Boonga, a free prehistoric platformer on Steam, is available until December 30, 2025.
Undercroft Warriors, a free challenging twin-stick shooter, can be claimed until December 31 at 7 PM.
Spirit of Steam: Liverpool Lime Street - Crewe Route DLC for Train Sim World 6 is free until January 5, 2026, at 7 PM (normally priced at $35.99).
These limited-time offers provide an opportunity to expand your game library at no cost on Steam.

Steam Offers Two Free Games and a Substantial DLC Pack – Latest Freebies

Steam has recently offered several free items, including two games and a substantial DLC pack. While promotions and freebies also appear regularly on the PlayStation and Nintendo stores, Steam’s current free offerings include the following:

Free Prehistoric Platformer: Caveman World on Steam – Limited Time Offer (Until Dec 30, 2025)

Grabthegames Studios presents Caveman World: Mountains of Unga Boonga, a free prehistoric platformer on Steam. The physics-based gameplay aims for humor, even if the controls aren’t exactly state-of-the-art. Players have until December 30, 2025, at 7 PM to claim it.

Prehistoric Arcade Shooter: Undercroft Warriors Free on Steam – Limited Time Offer (Until Dec 31, 7 PM)

Another free game on Steam is Undercroft Warriors. This challenging twin-stick shooter pits players against creepy creatures from hell in fast-paced battles. Choose from six heroes, each offering a unique playstyle, within an old-school arcade pixel art experience. This offer is available until December 31 at 7 PM.

Train Sim World 6’s Vintage Steam DLC Free on Steam – Until Jan 5, 2026 (7 PM)

Steam is also giving away the Spirit of Steam: Liverpool Lime Street – Crewe Route DLC for Train Sim World 6. This detailed, retro-themed DLC lets players control vintage steam locomotives in the heart of England, just like in the main game. Typically priced at $35.99, this DLC is free until January 5, 2026, at 7 PM. Players can take advantage of these limited-time offers to expand their game library at no cost.

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