ValveSoftware / ValveSoftware/Proton
Earth Defense Force 4.1 (410320)
Open
Nobody has claimed this yet.
Game compatibility - Unofficial
Regression
- Dominant language
- C++
- Stars
- 32.8k
- Forks
- 1.6k
- PR merge metrics
- PR metrics pending
Description
Earth Defense Force 4.1 runs on my computer at 60fps solid.
However:
- There is no audio at all
- The fonts are wrong (see attached screenshot) and some options can't be read.

I haven't tested network co-op yet.
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No source file, test, or entry point is named. Start by reproducing Earth Defense Force 4.1 (410320) using the system details in the linked gist, then investigate the reported audio and font failures. Done means determining whether both issues are reproducible and identifying a concrete compatibility fix or the relevant upstream cause.
Written by the indexing model from the issue text.
Assessment
- Domain
- game-dev, operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100