libretro/blastem

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Upstream tracking repo of BlastEm, the fast and accurate Genesis emulator, with libretro specific changes

Stars: 77
Forks: 38
Open beginner issues: 0
Indexed issues: 22
Avg merge: 36m
Merged PRs (30d): 6

Dominant language: C
License: GPL-3.0
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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22 open issues indexed

Some bugs found in current BlastEm core build, Retroarch, Sept 9th 2026 Open

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

libretro/blastem#69 · 1 reaction · Opened Sep 9, 2026
Sonic 1 Special Stage sometime crash Open

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

libretro/blastem#48 · Opened Jun 29, 2026
Complete compatibility with MegaWiFi Open

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

libretro/blastem#47 · Opened May 28, 2026
Windows 11 BlastEm v0.6.3-pre - Command qThreadExtraInfo,1 is not implemented, exiting... Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

libretro/blastem#46 · 1 comment · Opened Dec 5, 2025
Unable to load ROMs on Linux Mint 22.2 Cinnamon Open

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

libretro/blastem#45 · Opened Oct 25, 2025
Build error on RISC-V architecture. Open

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

libretro/blastem#43 · 1 comment · Opened Jul 20, 2024
Blastem libretro core use configuration file ? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

libretro/blastem#42 · 1 comment · Opened Feb 20, 2024
Crash to desktop on MacOS 12.6.2 with Intel CPU/GPU with message "alloc_code: Cannot allocate memory" Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

libretro/blastem#41 · 3 comments · Opened Sep 6, 2023
Build throwing undefined reference `glXGetProcAddressARB` Open

Difficulty 3/5 1-2 days Newbie friendliness 28/100

libretro/blastem#40 · 2 comments · Opened Jun 5, 2023
Unable to run Attack of the PETSCII Robots.smd Open

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

libretro/blastem#39 · 1 comment · Opened Mar 15, 2023
BlastEm can't open roms with a space in their directory Open

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

libretro/blastem#38 · 1 comment · Opened Dec 30, 2021
Aspect ratio is incorrect, particularly with overscan cropped Open

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

libretro/blastem#37 · Opened Nov 5, 2021
blastem is linking against the wrong debug_message function ? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

libretro/blastem#36 · Opened Oct 29, 2021
Switch on meson building system Open

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

libretro/blastem#34 · 6 comments · Opened Jul 22, 2021
Save states can crash RetroArch Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

libretro/blastem#32 · 3 comments · Opened Jul 16, 2021
Static High Pitched noise in Lotus Turbo Challenge Open

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

libretro/blastem#26 · Opened Jan 26, 2021
Sound Popping on Game Launch Open

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

libretro/blastem#17 · 2 comments · Opened Jul 18, 2020
Crash on Linux: Did not find a valid content patch Open

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

libretro/blastem#15 · 1 reaction · Opened Jun 5, 2020
Build errors on openSUSE Tumbleweed x86_64 Open

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

libretro/blastem#13 · Opened Jun 5, 2020
How to disable BlastEm info pop-ups? Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

libretro/blastem#7 · 6 comments · Opened Mar 24, 2020
Bug of changing the sound settings Open

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

libretro/blastem#6 · Opened Mar 24, 2020
Video is out of sync when using CRT SwitchRes and custom refresh rate Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

libretro/blastem#3 · 1 comment · Opened Oct 12, 2019

libretro/blastem

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