Segatools Ongeki Extra Quality ~upd~ May 2026

Originally, ONGEKI runs on SEGA's ALLS UX/HX arcade boards. These have fixed specs, so the game is optimized for a stable 60 FPS at 1080p. When using Segatools, players can unlock the "Extra Quality" mode, which impacts:

Without Segatools, the Ongeki dump is a brick. With it, your PC becomes a SEGA arcade cabinet. segatools ongeki extra quality

✨ Pro-Tip: If your game feels "heavy" or your inputs feel delayed after turning this on, revert the quality to 1 (Standard). In ONGEKI, readability of the lanes is always more important than the prettiness of the 3D models. If you want, tell me: What GPU/Specs are you running? Originally, ONGEKI runs on SEGA's ALLS UX/HX arcade boards

Yet, this technological liberation exists in a complex ethical and legal grey area. Segatools is an unauthorized modification, and while it enables preservation, it also facilitates piracy. The "Extra Quality" patches function only with game data ripped from original cabinets, which Sega distributes solely for arcade operators. Consequently, the community that utilizes these tools often adheres to an unspoken code of conduct: the priority is preservation and personal enjoyment, not the theft of revenue from developers. The hope among many users is that the existence of high-quality fan patches will spur official developers to release PC ports with similar high-end specifications, rather than suppress the modding community. With it, your PC becomes a SEGA arcade cabinet

Black Screen on Launch: This usually means your GPU cannot handle the forced resolution or the "Extra Quality" files are missing/corrupt. Revert the width and height in .ini to test.

The game's "quality" depends heavily on the input library (e.g., ) used with segatools. Ongeki requires a six-button layout and a lever/joystick for navigation and dodging bullet-hell elements.