Essgee

Windows

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Freedom report

One barScore 5.4

Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Essgee is ranked #28 of 30 in game gear emulators on Freedom251. It runs on Windows.

Compared on game gear emulators

Supported platforms: Windows
Save states: Yes
Master System support: Yes
Shader support: Yes
Source available: Yes

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The record

Purpose: Essgee is an emulator for several 8-bit consoles and handhelds, mostly made by Sega.
Supported systems: It supports the SG-1000, partially supports the SC-3000 and ColecoVision, and supports the Mark III/Master System, Game Gear, Game Boy and partially the Game Boy Color.
Runtime: Essgee is written in C# and uses .NET Framework 4.7.1.
ROM loading: It recognizes ROMs by file extension and can load zipped files, using the first recognized ROM in the archive.
Settings: Users can configure system-specific settings such as controller configuration, region, TV standard and bootstrap ROM paths.
Media support: Supported cartridge types include Sega, Codemasters, Korean and Game Boy mappers, as well as the Game Boy Camera.
External devices: Essgee supports the Game Boy Printer and partially supports the Game Boy Color infrared port, including Pocket Pikachu Color data transfer.
Emulation limitations: The project says overall emulation accuracy is not exact, though it considers it sufficient to play many games well.
Other limitations: The README notes possible sound stuttering and describes the shader system as limited and incompatible with shaders from other emulators.
License: Essgee is released under the MIT License, which permits use, copying, modification and distribution free of charge subject to its conditions.
Warranty: The MIT license provides the software “as is,” without warranty.
Systems: It supports the Sega SG-1000, partially supports the SC-3000 and ColecoVision, and supports the Mark III/Master System, Game Gear, Game Boy and Game Boy Color.
Technology: Essgee is written in C# and uses .NET Framework v4.7.1.
Graphics and sound libraries: It uses OpenTK and OpenTK.GLControl for graphics and sound output.

Where it ranks on Freedom251

Best Game Gear Emulators in 2026#28 of 30

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Sources

github.com/xdanieldzd/Essgee· checked 8 Oct 2026
github.com/xdanieldzd/Essgee/blob/master/LICENSE.m· checked 8 Oct 2026