Sonic the Hedgehog 4: Episode I

Sonic the Hedgehog 4: Episode I

Developers
	Dimps
	Sonic Team
Publishers
	Sega
Release dates
Windows	January 19, 2012

Sonic the Hedgehog

Sonic the Hedgehog CD	1996
Sonic 3D Blast	1997
Sonic & Knuckles Collection	1997
Sonic R	1998
Sonic Adventure DX	2003
Sonic Heroes	2004
Sonic Riders	2006
Sonic Mega Collection Plus	2007
Sonic & Sega All-Stars Racing	2010
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 Adventure DX (2011)	2011
Sonic Generations	2011
Sonic the Hedgehog CD (2012)	2012
Sonic the Hedgehog 4: Episode I	2012
Sonic the Hedgehog 4: Episode II	2012
Sonic Adventure 2	2012
Sonic & All-Stars Racing Transformed	2013
Sonic Adventure DX (Steam)	2014
Sonic Dash	2014
Sonic Lost World	2015
Sonic Mania	2017
Project Sonic 2017	2017

General information

Official site

Steam Community Discussions

Steam Users' Forums for game series

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>\main.conf

Save game data location

System	Location
Windows	<path-to-game>\Sonic_vis_save.dat <path-to-game>\data.txt

Save game cloud syncing

System	Native	Notes
Steam Cloud

Video settings

Configuration utility general settings.

Graphics option	Option	WSGF	Notes
Widescreen resolution			Game renders at 1280x720. See Widescreen resolution.
Multi-monitor
Ultra-widescreen			See the WSGF entry.
Field of view (FOV)
Windowed
Borderless fullscreen windowed
Anisotropic filtering (AF)
Anti-aliasing (AA)		Use 0x000012C1 compatibility flag with NVIDIA Profile Inspector.
Vertical sync (Vsync)		Always enabled.
60 FPS
120+ FPS		Uncapped frame rate, gameplay is capped at ~60 FPS.

Widescreen resolution

By default, game renders at 1280x720 and then upscales the content to match selected resolution. It's possible to raise the internal resolution to 1920x1080, however most 2D assets are done for 1280x720 and thus are upscaled regardless.

Replace files Download this patched executable Unzip into <path-to-game>

Input settings

Configuration utility keyboard remapping.

Configuration utility controller settings.

Keyboard and mouse	Native	Notes
Remapping
Mouse acceleration		Mouse not used outside configuration utility.
Mouse sensitivity
Mouse input in menus
Mouse Y-axis inversion
Controller
Controller support		XInput only.
Full controller support		Controller might have to be selected from configuration utility, which is unuseable with controller. Cursor stays on the screen.
Controller remapping
Controller sensitivity		Digital movement.
Controller Y-axis inversion

Additional information
Button prompts
Controller hotplugging
Haptic feedback

Audio settings

In-game audio settings.

Audio options	Native	Notes
Separate volume controls		Music, SFX
Surround sound
Subtitles		No speech.
Closed captions
Mute on focus lost

Localizations

Language	UI	Audio	CC	Notes
English
Spanish
French
German
Italian
Japanese

Other information

API

Technical specs	Supported	Notes
Direct3D	9
64-bit executable

System requirements

Windows
	Minimum	Recommended
Operating system (OS)	XP, Vista, 7	7
Processor (CPU)	Pentium 4 @ 3.2 GHz/Athlon 64 3000+ or Equivalent & above	Intel Core 2 DUO @ 2.4 GHz/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