If you are a : Use a resource extractor like Resource Hacker or Fusion Explorer – these safely extract sprites and sounds without touching the decompiler minefield.
If you are a game preservationist, consider contacting the original developer instead of reaching for a decompiler. Clickteam is aware of the demand. In a 2024 developer Q&A, Clickteam’s staff hinted at Fusion 3 (still vaporware as of 2025) using a completely different, modern file format. They have no incentive to help decompile 2.5. clickteam fusion 25 decompiler new
If you see a advertised: Run a virus scan, check the refund policy, and assume it’s a scam until proven otherwise. If you are a : Use a resource
In the world of indie game development, few tools have stood the test of time as gracefully as Clickteam Fusion 2.5 . For nearly two decades, this powerful event-driven engine has been the secret weapon behind beloved titles like Five Nights at Freddy's , The Escapists , and countless indie gems on Steam and Itch.io. Its proprietary file format, the .mfa (Multimedia Fusion Application), is famously resilient. In a 2024 developer Q&A, Clickteam’s staff hinted
The quest for the ultimate Fusion 2.5 decompiler continues. The "new" tools of 2025 are better than anything before, but they are still forensic scalpels, not magic wands. Treat decompilation as a last resort, backup your MFA files properly, and support the indie devs who made Fusion the legend it is today. Have you tried a new Fusion 2.5 decompiler? Share your experience below (legally, of course).