
- Steam users can currently claim Warhammer 40,000: Gladius – Relics of War and Car Mechanic Simulator 2018 permanently for free.
- Car Mechanic Simulator 2018’s promotional window runs until May 27, while Gladius is part of the ongoing Warhammer Skulls event.
- Backend tracking reveals five more games, including Cave Crasher and Aetherbreak, are expected to become free on Steam this May.
What Games Are Free to Keep on Steam in May 2026?
Currently, PC players on Steam can permanently claim Warhammer 40,000: Gladius – Relics of War and Car Mechanic Simulator 2018 for free. According to backend tracking data on SteamDB, 5 additional titles, including Forestress Shade and Cave Crasher, are slated to join the May promotion soon.
While publishers initiate these promotions with Valve’s oversight, release timing can vary. Adding these titles to your library during their promotional windows ensures you retain access permanently without paying a cent.
Also don’t miss the new Free Games of the week on the Epic Games Store!
Warhammer 40K: Gladius Leads the Strategy Lineup
The annual Warhammer Skulls event has brought a wave of announcements, but the standout offer is the chance to secure Warhammer 40,000: Gladius – Relics of War entirely free.
This 2018 release remains the only 4X strategy game set in the Warhammer universe. Players control the Astra Militarum, Space Marines, Orks, or Necrons to fight for dominance over resource-rich, randomly generated planets.
While critical reception at launch was mixed, continuous post-launch support and multiple DLC updates have improved the baseline experience significantly. It stands as a highly appealing, zero-cost entry point for strategy fans.
Car Mechanic Simulator 2018 Kicks Off PlayWay’s Free Event
Publisher PlayWay has initiated its first-ever free-to-keep event, offering the highly rated Car Mechanic Simulator 2018 to all Steam users.
From May 21 to May 27, players can add the detailed simulation game to their libraries permanently. The title boasts over one million players and maintains a 90% positive rating across more than 50,000 user reviews.
This promotion arrives just ahead of the release of Cheap Car Repair on May 28. It also serves to build momentum following the recent successful demo for the upcoming Car Mechanic Simulator 2026.
The Car Mechanic Simulator 2018 free-to-keep week is live! 🔥🆓
— PlayWay (@Play_Way) May 21, 2026
Grab the game for FREE from May 21–27 and join over 1 million players worldwide 🔧
⭐ 90% positive Steam rating
🛠️ 21 DLCs released
❤️ Over 50,000 reviews
👉 https://t.co/w9PafSJvMc
But that’s not all 👀
Cheap… pic.twitter.com/xe79vuEKOw
Tracking the Remaining May Free-to-Keep Titles
Beyond the heavy hitters, SteamDB listings indicate several smaller titles are queued for the free-to-keep treatment. Forestress Shade, for example, offers a roguelike strategy puzzle experience on a Chess board.
The list also features eccentric entries like Cave Crasher, an top-down arcade shooter in coop where you pilot a mining rig in an infested cave. Global Football is an online football experience in 5v5 matches where each player controls their own athlete.
Meanwhile, those looking for a fast paced platforming experience in first person can try Aetherbreak.
Finally, Anomaly Jobs : Data Center shifts the tone entirely. It delivers a horror, puzzle-based experience where you’ll work the nightshift at a Data Center spotting and avoiding the anomalies to survive the shift. Rounding out a diverse month of promotional giveaways on Steam.
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