TASEmulators/BizHawk

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BizHawk is a multi-system emulator written in C#. BizHawk provides nice features for casual gamers such as full screen, and joypad support in addition to full rerecording and debugging tools for all system cores.

Stars: 2.8k
Forks: 468
Open beginner issues: 2
Indexed issues: 714

Dominant language: C#
License: No license data
Last GitHub push: Sep 12, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

714 open issues indexed

NESHawk: PPU viewer mid-frame palette change inconsistency Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

TASEmulators/BizHawk#4846 · Opened Sep 14, 2026
RAM Watch doesn't save window position Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

TASEmulators/BizHawk#4843 · Opened Sep 13, 2026
Lua Console Right-click crash(It looks like the same bug happened in several places) Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

TASEmulators/BizHawk#4842 · 1 comment · Opened Sep 13, 2026
Gambatte crash/instability with FF Adventure Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

TASEmulators/BizHawk#4841 · 1 comment · Opened Sep 12, 2026
A Collection of a Few Typos Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

TASEmulators/BizHawk#4839 · Opened Sep 12, 2026
Config Menu--Core settings--SubBSNESv115+--Controller Configuration Open

App: EmuHawk Core: BSNES

Difficulty 3/5 1-2 days Newbie friendliness 68/100

TASEmulators/BizHawk#4838 · Opened Sep 10, 2026
Genplus-gx access violation Open

App: EmuHawk Core: Genplus-gx Repro: Affects 2.11.1

Difficulty 4/5 3-5 days Newbie friendliness 48/100

TASEmulators/BizHawk#4833 · 4 comments · Opened Sep 4, 2026
Random flickering of road in Rad Racer II. (QuickerNES) Bizhawk 2.11.1 Open

Core: QuickNes Repro: Affects 2.11.1

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TASEmulators/BizHawk#4831 · Opened Aug 30, 2026
DOSBox-X fails to copy large files in Windows Open

App: EmuHawk Core: DOSBox-X re: Waterbox

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/BizHawk#4830 · 2 comments · Opened Aug 29, 2026
QuickerNES 3-D World runner graphical glitches Open

Core: QuickNes Repro: Affects 2.11.1 Working as intended (wontfix)

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TASEmulators/BizHawk#4829 · Opened Aug 29, 2026
[Linux] Cursor visually disappears when over rendering frame Open

App: EmuHawk Repro: Affects 2.11.1

Difficulty 4/5 3-5 days Newbie friendliness 42/100

TASEmulators/BizHawk#4828 · 2 comments · Opened Aug 28, 2026
Super Mario Maker 3DS stuck on Yamamura eating screen Open

Core: Encore Repro: Affects 2.11.1 Repro: Fixed/added in upstream stable

Difficulty 4/5 3-5 days Newbie friendliness 48/100

TASEmulators/BizHawk#4827 · Opened Aug 27, 2026
[Linux] Unabled to login to retroachievement on Ubuntu 26.04 LTS (mono-6.14.1) Open

Fault is in third-party code Meta re: RetroAchievements Repro: Affects 2.11.1

Difficulty 4/5 3-5 days Newbie friendliness 48/100

TASEmulators/BizHawk#4826 · 4 comments · Opened Aug 25, 2026
When loading Perkele! NES, the core defaults to NEShawk without the ability to switch to quickerNES Open

Core: QuickNes Repro: Affects 2.11.1

Difficulty 3/5 1-2 days Newbie friendliness 58/100

TASEmulators/BizHawk#4825 · Opened Aug 23, 2026
Doraemon doesn't work properly in quickerNES Open

Core: QuickNes Repro: Affects 2.11.1

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/BizHawk#4824 · Opened Aug 23, 2026
[Request] Visual indicator for Analog input value in tas studio piano roll Open

Request: Feature/Enhancement Tool: TAStudio

Difficulty 5/5 Over a week Newbie friendliness 35/100

TASEmulators/BizHawk#4823 · 2 comments · Opened Aug 22, 2026
Aspect ratios broken when integer scale see attached Open

App: EmuHawk

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TASEmulators/BizHawk#4822 · 1 comment · Opened Aug 20, 2026
Overclock SMS games? Open

Core: SMSHawk Needs domain knowledge for triage

Difficulty 4/5 3-5 days Newbie friendliness 38/100

TASEmulators/BizHawk#4821 · 4 comments · Opened Aug 19, 2026
[NESHawk] Pocket Zaurus - Juu Ouken no Nazo, HUD issue Open

Core: NesHawk Repro: Affects 2.11.1

Difficulty 4/5 3-5 days Newbie friendliness 30/100

TASEmulators/BizHawk#4820 · Opened Aug 19, 2026
Ares64: 240p Test Suite Release Candidate infinite startup loop Open

Core: Ares64 Repro: Affects 2.11.2 dev Repro: Fixed/added in upstream beta/nightly

Difficulty 4/5 3-5 days Newbie friendliness 45/100

TASEmulators/BizHawk#4819 · Opened Aug 17, 2026
Fork certain cores to TASEmulators org, and codify org-level policies Open

Core: PPSSPP Core: QuickNes Meta

Difficulty 5/5 Over a week Newbie friendliness 25/100

TASEmulators/BizHawk#4818 · 18 comments · 4 reactions · Opened Aug 17, 2026
Unhandled Exception (crashing on Linux) Open

App: EmuHawk re: Multiplatform Repro: Affects 2.11.1

Difficulty 4/5 3-5 days Newbie friendliness 45/100

TASEmulators/BizHawk#4817 · 1 comment · Opened Aug 15, 2026
Unable to load gba games or run lua with any game in general Open

App: EmuHawk Repro: Affects 2.11.1

Difficulty 4/5 3-5 days Newbie friendliness 55/100

TASEmulators/BizHawk#4816 · 3 comments · Opened Aug 14, 2026
[🪟] Accepting "...custom firmware does not reside..." prompt fails Open

App: EmuHawk Repro: Affects 2.11.1 dev

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

TASEmulators/BizHawk#4815 · 2 comments · Opened Aug 13, 2026
Analog joystick support for Dos Open

Core: DOSBox-X Request: Feature/Enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

TASEmulators/BizHawk#4814 · Opened Aug 12, 2026
Status bar cut-off at low window sizes Open

App: EmuHawk

Difficulty 3/5 1-2 days Newbie friendliness 48/100

TASEmulators/BizHawk#4811 · 1 comment · Opened Aug 10, 2026
Unable to freeze an adress after exiting Open

App: EmuHawk Repro: Fixed/added in 2.11.1

Difficulty 3/5 1-2 days Newbie friendliness 48/100

TASEmulators/BizHawk#4806 · 4 comments · Opened Aug 5, 2026
[🐧] Starting games with Mono 6.14 crashes after playing for some seconds Open

Core: melonDS Repro: Affects 2.10 Repro: Affects 2.11.1 Reproducible bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

TASEmulators/BizHawk#4803 · 5 comments · Opened Jul 26, 2026
Retroachievements Multiset Open

re: RetroAchievements Request: Feature/Enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

TASEmulators/BizHawk#4801 · Opened Jul 24, 2026
MAME core cannot load CPS Changer games (WOFCH and SFZCH) Open

Core: MAME Request: Feature/Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 52/100

TASEmulators/BizHawk#4793 · 6 comments · Opened Jul 10, 2026
`VirtualPadTargetScreen`s and `VirtualPadAnalogButton`s don't work Open

Repro: Affects 2.11.2 dev Repro: Regression from 2.9.1 Tool: Virtual Pad

Difficulty 3/5 1-2 days Newbie friendliness 48/100

TASEmulators/BizHawk#4791 · 1 comment · Opened Jul 7, 2026
tastudio branches and markers take too much horizontal space in flipped mode Open

Repro: Regression from 2.10 Tool: TAStudio

Difficulty 3/5 1-2 days Newbie friendliness 52/100

TASEmulators/BizHawk#4790 · 4 comments · Opened Jul 5, 2026
SteamDeck/Emudeck Port Open

re: Multiplatform Request: Feature/Enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

TASEmulators/BizHawk#4788 · 1 comment · Opened Jul 3, 2026
3DO incompatable with RetroAchievements Open

re: RetroAchievements Repro: Affects 2.11 Request: Feature/Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/BizHawk#4775 · 3 comments · Opened Jun 17, 2026
Autofire controls override joypad.set Open

App: EmuHawk Repro: Affects 2.11.1

Difficulty 3/5 1-2 days Newbie friendliness 52/100

TASEmulators/BizHawk#4769 · 4 comments · Opened Jun 9, 2026
[DOS] Sound distorted and slows down in Abe's Oddysee (Windows) Open

Core: DOSBox-X

Difficulty 4/5 3-5 days Newbie friendliness 38/100

TASEmulators/BizHawk#4767 · 5 comments · Opened Jun 6, 2026
[NESHawk] Use search command causes freeze in Shinsenden Open

Core: NesHawk Inaccuracy Repro: Affects 2.11.1

Difficulty 3/5 1-2 days Newbie friendliness 42/100

TASEmulators/BizHawk#4764 · Opened Jun 4, 2026
[Core Port Req.] OpenLara (Tomb Raider 1 to 4) Open

Request: New core/port/re-port

Difficulty 5/5 Over a week Newbie friendliness 25/100

TASEmulators/BizHawk#4763 · Opened Jun 4, 2026
Show the number of callbacks a script has registered in the Lua Console Open

Request: Feature/Enhancement Tool: Lua Console

Difficulty 4/5 3-5 days Newbie friendliness 35/100

TASEmulators/BizHawk#4757 · Opened Jun 1, 2026
[Request] Adding custom TAStudio columns in Lua is very slow; a faster way to do this is needed Open

re: Lua API/scripting Repro: Affects 2.11.1 Tool: TAStudio

Difficulty 4/5 3-5 days Newbie friendliness 45/100

TASEmulators/BizHawk#4756 · 7 comments · Opened Jun 1, 2026
[REQUEST] Add custom "Column Seperator" option in TAStudio Open

Request: Feature/Enhancement Tool: TAStudio

Difficulty 3/5 1-2 days Newbie friendliness 48/100

TASEmulators/BizHawk#4754 · 1 comment · Opened Jun 1, 2026
[NESHawk] Unusual shaking in The Incredible Crash Dummies Open

Core: NesHawk Inaccuracy Repro: Affects 2.11.1

Difficulty 4/5 3-5 days Newbie friendliness 30/100

TASEmulators/BizHawk#4752 · Opened May 28, 2026
Feature request: Allow TurboNyma to load .pal files like Mednafen Open

Core: TurboNyma Request: Feature/Enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

TASEmulators/BizHawk#4751 · 2 comments · Opened May 27, 2026
[Core Port Req.] BlastEm (Sega MD/Genesis) Open

Request: New core/port/re-port

Difficulty 5/5 Over a week Newbie friendliness 35/100

TASEmulators/BizHawk#4739 · 2 comments · Opened May 18, 2026
[Core Port Req.] Mattel HyperScan from MAME Open

Request: New core/port/re-port

Difficulty 5/5 Over a week Newbie friendliness 35/100

TASEmulators/BizHawk#4737 · Opened May 17, 2026
Make `XmlGame.Create` parse through the whole file before reading roms' contents into memory Open

App: EmuHawk Request: Feature/Enhancement

Difficulty 3/5 1-2 days Newbie friendliness 55/100

TASEmulators/BizHawk#4731 · Opened May 8, 2026
TurboNyma: Layers issue when loading a save state Open

Core: TurboNyma Repro: Affects 2.11.1

Difficulty 3/5 1-2 days Newbie friendliness 48/100

TASEmulators/BizHawk#4730 · 3 comments · 1 reaction · Opened May 8, 2026
Brave Blade crashes after the title screen, only on BizHawk. Open

Core: MAME Repro: Affects 2.11.1 Repro: Could not reproduce Waiting on user/contributor response

TASEmulators/BizHawk#4728 · 3 comments · 1 assignee · Opened May 8, 2026
Desync when playing back movie from Power On (C64 - Ghosts 'n Goblins) Open

Core: C64Hawk Repro: Affects 2.11 Repro: Regression from 2.10

Difficulty 4/5 3-5 days Newbie friendliness 38/100

TASEmulators/BizHawk#4727 · 3 comments · Opened May 6, 2026
GameCube L & R Triggers have 99% dropped inputs Open

App: EmuHawk Repro: Affects 2.11.1 Repro: Regression from 2.9.1

Difficulty 4/5 3-5 days Newbie friendliness 48/100

TASEmulators/BizHawk#4725 · Opened May 3, 2026

TASEmulators/BizHawk

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