Silent Hill 2: 2 Open Source Clones Compared
'memory of alessa' is primarily a byte-matching decompilation of Silent Hill 3's PS2 engine — which the project states shares its foundation with Silent Hill 2's — and it requires a Silent Hill 3 disc image to work with, not a Silent Hill 2 one. Silent Hill 2 Enhanced Edition is a different kind of project: a Windows enhancement patch for an existing, separately owned Silent Hill 2 PC installation, adding things like a 60 FPS mode and various bug fixes rather than reimplementing the engine.
Comparison table

Availability
- Status
- —
- Platforms
- Windows
- Play in browser
- No
- Mobile
- No
Project health
- Development status
- Active
- Last updated
- today
- Stars
- 700
- Contributors
- 17
- License
- Zlib
Compatibility
- Requires original assets
- YesRequires a legitimate copy of Silent Hill 2 to be installed separately.
- Modding support
- YesCustom mod folder support (sh2e) allows storing modified game files separately.
Availability
- Status
- Unplayable
- Platforms
- PS2
- Play in browser
- No
- Mobile
- No
Project health
- Development status
- Active
- Last updated
- today
- Stars
- 124
- Contributors
- 14
- License
- MIT
Compatibility
- Requires original assets
- YesRequires Silent Hill 3 v1.02 (NTSC-U) disc with serial SLUS_206.22 and B0.MFA file.
- Modding support
- —
| Title | Silent Hill 2 Enhanced Edition | memory of alessa |
|---|---|---|
| Status | — | Unplayable |
| Platforms | Windows | PS2 |
| Play in browser | No | No |
| Mobile | No | No |
| Project health | ||
| Development status | Active | Active |
| Last updated | today | today |
| Stars | 700 | 124 |
| Contributors | 17 | 14 |
| License | Zlib | MIT |
| Compatibility | ||
| Requires original assets | YesRequires a legitimate copy of Silent Hill 2 to be installed separately. | YesRequires Silent Hill 3 v1.02 (NTSC-U) disc with serial SLUS_206.22 and B0.MFA file. |
| Modding support | YesCustom mod folder support (sh2e) allows storing modified game files separately. | — |
| Preview | ![]() |
Known limitations
- compatibility: NoCD patch not yet supported in all game versions.
- audio: Japanese language support is re-enabled but may have limitations.
Frequently asked questions
Are the Silent Hill 2 clones on this page open source?
Yes — every clone catalogued here is an open-source project. Availability, license, and development-status details for each one are listed in the comparison table above.
What license do these Silent Hill 2 clones use?
Silent Hill 2 Enhanced Edition (Zlib); memory of alessa (MIT).
Do I need to own the original Silent Hill 2 to play these clones?
Silent Hill 2 Enhanced Edition and memory of alessa require original game assets to play.
Which Silent Hill 2 clone is the most actively maintained?
Silent Hill 2 Enhanced Edition and memory of alessa are currently under active development, based on recent commit activity. See the "Development status" row above for every clone's current status.
See the full write-up for each clone, or go back to Silent Hill 2.