Key Takeaways
Created with AI - we're still experimenting, so apologies if it misses the mark
- Thief: Definitive Edition is now free on Prime Gaming until September 10, 2025, offering a stealth experience for genre enthusiasts.
- Sid Meiers Civilization III: Complete is available on Prime Gaming until November 5, 2025, allowing players to build an ancient civilization at no cost.
- The Academy: The First Riddle, an adventure-puzzle game set in the mysterious Arbos Academy, can be redeemed for free until November 5, 2025.
- Prime Gaming is offering a diverse selection of free games across platforms, with more titles expected to be announced soon. Claim these time-limited offers promptly by visiting the Prime Gaming page and activating them through various platforms such as GOG and the Amazon Games App.
Three Compelling Free Games for August on Prime Gaming (More Coming Soon)
Despite August 2025 being a quieter period, Prime Gaming still offers compelling titles for subscribers. Three free games are already available, with twelve more slated for release soon. Subscribers can explore Prime Gaming with a 30-day free trial.
New Free Games on Prime Gaming for August 2025: Thief, Civilization III, The Academy
Prime Gaming has added three new titles to its library for August 2025, each available for a limited time. Thief: Definitive Edition will be available until September 10, 2025, while Sid Meier’s Civilization III: Complete and The Academy: The First Riddle can be claimed until November 5, 2025.
Thief: Definitive Edition, developed and published by Eidos Montreal in 2014, is available as Prime Gaming’s first free offering this month. This release concludes a period during which all previous games in the Thief franchise were also given away. While it may not share the legendary status of its classic predecessors, the game delivers a compelling stealth experience for genre enthusiasts. This title can be claimed until September 10, 2025.
Free Civilization III on Prime Gaming until Nov 5, 2025 – Build an Ancient Empire at No Cost
Another classic title, Sid Meier’s Civilization III: Complete, is free on Prime Gaming until November 5, 2025. Players who may not have been fully satisfied with Civilization VII can claim this game, which is also available alongside Civilization VII on GOG. This offers a chance to build an ancient civilization at no additional cost.
Free on Prime Gaming: Unravel Arbos Academy Mystery – The Academy: The First Riddle (Aug-Nov 2025)
Rounding out the August 2025 freebies is The Academy: The First Riddle, developed by Pine Studio and published by Snapbreak Games AB. This adventure-puzzle game is set in the mysterious Arbos Academy, where players control Sam, a freshman uncovering secrets and solving puzzles hidden within the school’s walls. This title, offering a mystery-filled semester, can be redeemed for free using an Amazon Games code until November 5, 2025.
Claim Your Free Games on Prime Gaming – Diverse Selection Across Platforms (Time-Limited Offers)
An active Amazon Prime subscription is required to claim these titles. To do so, visit the Prime Gaming page, which lists all available free games and provides instructions for activating them across various platforms, including GOG and the Amazon Games App. These offers are time-limited, so claiming them promptly is recommended. A diverse selection of titles is available for the month, with more expected to be announced soon.
In Case You Missed It
For all you gaming enthusiasts out there, don’t miss out on this month’s incredible Prime Gaming deals! Sophie Laurent has the scoop on “Prime Gaming Offers 12 Free Games for August” (published on August 7, 2025), where she details the fantastic lineup of free games available to Amazon Prime subscribers. From classic titles like Thief: Definitive Edition to strategy gems such as Sid Meier’s Civilization III: Complete Edition, there’s something for everyone this month. If you’re an Amazon Prime member and a gamer, you won’t want to miss out on the fantastic deals coming your way! Sophie Laurent’s latest piece, “Amazon Prime Gaming Offers 12 Free Games in August” (published on 2025-08-08), further details how Prime members can redeem and download twelve free games throughout August. From classics like Sid Meier’s Civilization 3 Complete to the immersive Thief: Definitive Edition, there’s something for every player. Head over to our sister site Prime Gaming Offers 12 Free Games for August or our post Amazon Prime Gaming Offers 12 Free Games in August to see the full list and start planning your gaming adventures!
Specification | |
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Official Name | Thief: Definitive Edition |
Brief Summary | Garrett, the Master Thief, steps out of the shadows into the City. In this treacherous place, where the Baron’s Watch spreads a rising tide of fear and oppression, his skills are the only things he can trust. Even the most cautious citizens and their best-guarded possessions are not safe from his reach. |
Platforms | PC (Microsoft Windows), Mac |
Released | February 28, 2014 |
Genre | Adventure |
Play Modes | Single player |
Content Rating | 16 |
Languages | English |
Genre | Eidos Montréal |
Genre | Eidos Interactive, Feral Interactive |