Sonic the Hedgehog 4: Episode II

Sonic the Hedgehog
Sonic CD (1996)	1996
Sonic's Schoolhouse	1996
Sonic 3D Blast	1997
Sonic & Knuckles Collection	1997
Sonic R (1998)	1998
Sonic R (2004)	2004
Sonic Adventure (series)
Sonic Heroes	2004
Sonic Mega Collection Plus	2006
Sonic Riders	2006
Sonic Racing (series)
Sonic 3D Blast (2010)	2010
Sonic the Hedgehog	2010
Dr. Robotnik's Mean Bean Machine	2010
Sonic Spinball	2010
Sonic the Hedgehog 2	2011
Sonic 3 & Knuckles	2011
Sonic Generations	2011
Sonic CD (2012)	2012
Sonic the Hedgehog 4: Episode I	2012
Sonic the Hedgehog 4: Episode II	2012
Sonic Dash	2014
Sonic Lost World	2015
Sonic Mania	2017
Sonic Forces	2017

Key points

High frame rate (more than 60 FPS) breaks the game speed.

General information

Steam Community Discussions

Availability[edit]

Source	DRM	Notes	Keys	OS
Gamesplanet
Steam

All versions require Steam DRM.

Game data[edit]

Configuration file(s) location[edit]

System	Location
Windows	<path-to-game>\Config\^{[Note 1]}
Linux (Proton)	<Steam-folder>/steamapps/compatdata/203650/pfx/^{[Note 2]}

Save game data location[edit]

System	Location
Windows	<path-to-game>\Sonic_save.dat^{[Note 1]}
Linux (Proton)	<Steam-folder>/steamapps/compatdata/203650/pfx/^{[Note 2]}

Save game cloud syncing[edit]

System	Native	Notes
Steam Cloud

Video settings[edit]

Launcher video settings.

Graphics feature	WSGF	Notes
Widescreen resolution
Multi-monitor
Ultra-widescreen		See the WSGF entry.
4K Ultra HD
Field of view (FOV)	See Field of view (FOV).
Windowed
Borderless fullscreen windowed	See the glossary page for potential workarounds.
Anisotropic filtering (AF)	See the glossary page for potential workarounds.
Anti-aliasing (AA)	Nvidia users can force SGSSAA in fullscreen mode using Nvidia Profile Inspector with the `0x000012C1` antialiasing flag.^[1]
Vertical sync (Vsync)	Vsync is automatically enabled.
60 FPS
120+ FPS	High FPS speeds up gameplay (see Game runs too fast).
High dynamic range display (HDR)

Field of view (FOV)[edit]

Change FOV with hex edit^{[citation needed]}

Download Sonic 4 Episode 2 Adjustable FOV.
Extract D3DX9_43.dll to the installation folder.
Open D3DX9_43.dll with a hex editor such as HxD.
Go to offset 0x1B057A and replace the bytes 00 00 80 3F with bytes representing your float value multiplier (the default multiplier is 1.0). Remember to invert the byte order to Little Endian.

Notes

There's also a Cheat Engine table to change the game's FOV anytime while running (requires D3DX9_43.dll).

Input settings[edit]

Launcher keyboard mapping menu.

Launcher controller mapping menu.

Keyboard and mouse	State	Notes
Remapping		To assign `Space` to an action, hold down `Space` and press another key.
Mouse acceleration
Mouse sensitivity
Mouse input in menus
Mouse Y-axis inversion
Controller
Controller support		XInput controllers only.
Full controller support
Controller remapping		See the glossary page for potential workarounds.
Controller sensitivity
Controller Y-axis inversion

Controller types

XInput-compatible controllers
Xbox button prompts
Impulse Trigger vibration

DualShock 4 controllers		See the glossary page for potential workarounds.

Tracked motion controllers

Generic/other controllers		See the glossary page for potential workarounds.

Additional information
Controller hotplugging
Haptic feedback
Simultaneous controller+KB/M

Audio settings[edit]

Audio settings.

Audio feature	State	Notes
Separate volume controls		Music, SFX
Surround sound
Subtitles
Closed captions
Mute on focus lost

Localizations

Language	UI	Audio	Sub	Notes
English
Spanish
French
German
Italian
Japanese

Network[edit]

Multiplayer types

Type	Players	Notes
Local play	2	Co-op
LAN play
Online play	2	Co-op

Issues fixed[edit]

Windows 8 compatibility problems[edit]

Apply compatibility modes^[2]

Go to the properties for Sonic_vis.exe.
On the Compatibility tab, choose Run this program in compatibility mode for: and choose Windows 7.
Choose Run as administrator.
Click OK to save your changes.
Run the game in windowed mode.
After exiting the game you may need to manually kill Sonic_vis.exe from the Task Manager.

Game runs too fast[edit]

Game may run at a very high speed.^[3] Use one of the following methods.

Lock frame rate at 60 FPS (resolutions higher than 60 Hz)^{[citation needed]}

See Frame rate capping to lock frame rate to 60 FPS.

Force Vsync (60 Hz resolutions only)^{[citation needed]}

Force Vsync in the graphics card control panel for this game only.

Run the game at screen refresh rate[edit]

Fullscreen mode is limited to 60 Hz, even if the screen refresh rate is set higher than that.

Set screen refresh rate^{[citation needed]}

Download Special K.
Copy SpecialK32.dll to the installation folder.
Rename SpecialK32.dll to d3d9.dll.
Start the game and exit.
Open d3d9.ini in the installation folder.
Change TargetFPS=0.0 to TargetFPS=60.0.
Change RefreshRate=-1 to RefreshRate=0.

Other information[edit]

API[edit]

Technical specs	Supported	Notes
Direct3D	9

Executable	32-bit	64-bit	Notes
Windows

System requirements[edit]

Windows
	Minimum	Recommended
Operating system (OS)	XP, Vista, 7	7
Processor (CPU)	Intel Pentium 4 @ 3.2 GHz AMD Athlon 64 3000+	Intel Core 2 Duo @ 2.4 GHz AMD Athlon 64 X2 4200+ & above
System memory (RAM)	1 GB (2 GB on Vista)	2 GB+
Hard disk drive (HDD)	6 GB	6 GB
Video card (GPU)	Nvidia GeForce 8600 ATI Radeon HD3650 256 MB of VRAM	Nvidia GeForce 8800 ATI Radeon HD 3800 512 MB of VRAM

Notes

↑ ^1.0 ^1.1 When running this game without Administrator elevation, activity in %PROGRAMFILES%, %PROGRAMFILES(X86)%, and %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore\ (more details).
↑ ^2.0 ^2.1 File/folder structure within this directory reflects the path(s) listed for Windows and/or Steam game data (use Wine regedit to access Windows registry paths). Games with Steam Cloud support may store data in ~/.steam/steam/userdata/<user-id>/203650/ in addition to or instead of this directory. The app ID (203650) may differ in some cases. Treat backslashes as forward slashes. See the glossary page for details.

References

[gamedir-1] 1.0 ^1.1 When running this game without Administrator elevation, activity in %PROGRAMFILES%, %PROGRAMFILES(X86)%, and %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore\ (more details).

[Proton_path_note-2] 2.0 ^2.1 File/folder structure within this directory reflects the path(s) listed for Windows and/or Steam game data (use Wine regedit to access Windows registry paths). Games with Steam Cloud support may store data in ~/.steam/steam/userdata/<user-id>/203650/ in addition to or instead of this directory. The app ID (203650) may differ in some cases. Treat backslashes as forward slashes. See the glossary page for details.

[3] Guru3D.com Forums - View Single Post - NVidia Anti-Aliasing Guide (updated)

[4] Windows 8 Temp Fix - Steam Users' Forums (retrieved)

[5] Episode 2 Plays at super speed - Steam Users' Forums (retrieved)

[Note 1]

[Note 2]

[1]

[2]

[3]

Developers

	Dimps
	Sonic Team
Publishers
	Sega
Release dates
Windows	May 15, 2012