Flycast vs nullDC 2.0.0

Flycast is a free emulator for Sega Dreamcast, Naomi, Naomi 2, and Atomiswave. Its Android listing says it runs most Dreamcast games, including Windows CE titles, and arcade games for Naomi, Naomi 2, Atomiswave, and System SP. Graphics options include OpenGL and Vulkan, high-definition and widescreen play, and custom high-definition texture packs. The Android listing specifies 10 save-state slots and names RetroAchievements, modem and LAN adapter emulation, and Power Smash online support in update notes. The project offers regular master builds, experimental nightly development builds, and versioned stable releases. The builds page describes master as relatively stable and cautions that other branches may be unstable, crash, or fail to run. Flycast is available for Android, Linux, macOS, and Windows, with controller support and online multiplayer listed. Game files are not included and must be owned by the user. The repository identifies the license as GPL-2.0.

nullDC 2.0.0 is a Sega Dreamcast emulator, with a browser option and downloadable builds for Windows, macOS, and Linux. The browser page provides a WASM embed where users can drop files to start the emulator. One startup option uses dc_boot.bin (2MB) and dc_flash.bin (128KB); the other is an .elf executable. The project describes its aim as accurate emulation. Its builds page lists v2.0.0-pre-388-g95a924b as the most recent build, dated 2025-11-10 08:17:38 UTC. Windows and macOS artifacts are listed for aarch64 and x86_64; Linux artifacts include aarch64, riscv64gc, and x86_64. The project is open source under the MIT license, which provides the software without warranty. The home page also lists older beta releases, including beta 1.6 from 2007, and a stereoscopy build from 2008. The historical beta 1 netplay server is listed as compatible only with beta 1. For help, the project directs users to its forum at ngemu.com.