Sonic the Hedgehog 4: Episode II

Sonic the Hedgehog 4: Episode II

Developers
	Dimps
	Sonic Team
Publishers
	Sega
Engines
	Sega NN Graphics Library
Release dates
Windows	May 15, 2012
Reception
Metacritic	54
IGDB	53
Taxonomy
Series	Sonic the Hedgehog

Key points

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

General information

Steam Community Discussions

Availability

Source	DRM	Notes	Keys	OS
Humble Store
Steam

All versions require Steam DRM.

Game data

Configuration file(s) location

System	Location
Windows	<path-to-game>\Config\
Steam Play (Linux)	<Steam-folder>/steamapps/compatdata/203650/pfx/

Save game data location

System	Location
Windows	<path-to-game>\Sonic_save.dat
Steam Play (Linux)	<Steam-folder>/steamapps/compatdata/203650/pfx/

Save game cloud syncing

System	Native	Notes
Steam Cloud

Video

Launcher video settings.

Graphics feature	State	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.
Vertical sync (Vsync)		See the glossary page for potential workarounds.
60 FPS
120+ FPS		High FPS speeds up gameplay (see Game runs too fast).
High dynamic range display (HDR)		See the glossary page for potential alternatives.

Field of view (FOV)

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

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.

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

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

Audio

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

Multiplayer types

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

Issues fixed

Windows 8 compatibility problems

Apply compatibility modes
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

Game may run at a very high speed. 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

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

API

Technical specs	Supported	Notes
Direct3D	9

Executable	32-bit	64-bit	Notes
Windows

Mods

Sonic 4 Mod Loader

Mod manager for Sonic the Hedgehog 4: Episode I and Sonic the Hedgehog 4: Episode II.

Classic Sonic & Tails

Replaces the model and animations of Modern Sonic & Tails with new re-adapted models of Classic Sonic & Tails from Sonic Generations. Also includes a special stage remix.

7 Special Stage Themes

Replaces the special stage music with one of seven remixed special stage themes.

No HUD

Removes the HUD from all gameplay stages and special stages.

System requirements

Windows
	Minimum	Recommended
Operating system (OS)	XP, Vista	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+
System memory (RAM)	1 GB 2 GB (Vista)	2 GB
Hard disk drive (HDD)	6 GB
Video card (GPU)	Nvidia GeForce 8600 ATI Radeon HD 3650 256 MB of VRAM DirectX 9.0c compatible	Nvidia GeForce 8800 ATI Radeon HD 3800 512 MB of VRAM DirectX 11 compatible
Sound (audio device)	DirectX compatible