This has been in development for over a year for the 30th anniversary of Final Fight: the father of 16-bit arcade gaming re-written from scratch in C++ for the PC.
Features:
10 player simultaneous play
Supports any aspect ratio monitor (4:3, 16:9, 16:10, 21:9, 32:9, and even 1:1 is supported) and any refresh rate
Supports mono through 7.1 sound setups
Select from 4 different soundtracks: Arcade, X68000 FM, General MIDI, and Sega CD
Runs at the original arcade's native resolution and refresh rate on CRT TVs and arcade monitors if you have the setup for it
Play as any of the heroes, bad guys, or bosses
All players can select the same character with a unique palette
Casual and score attack endless mode stages that only end when you die featuring cameos from all your favorite Capcom Play System characters
Multiple endings
All arcade sprite and alignment issues have been corrected and adjusted
Backgrounds overhauled to have up to dozens of layers of parallax