MAME .223 just dropped today.
Machines promoted to working
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Adders and Ladders (v2.1) (MPU4 Video) [Ryan Holtz, James Wallace, David Haywood]
Barquest (v2.6) (MPU4 Video) [Ryan Holtz, James Wallace, David Haywood]
Blox (SJM BLOX, 50p/20p Play, Version 2.0) (MPU4 Video) [Ryan Holtz, James Wall, David Haywood, Angelo Salese]
Business Computer Corporation Busicom 141-PF [Robbbert]
The Crystal Maze (v1.3) (MPU4 Video) [Ryan Holtz, James Wallace, David Haywood]
The Crystal Maze Team Challenge (v0.9) (MPU4 Video) [Ryan Holtz, James Wallace, David Haywood]
The Mating Game (v0.4) (MPU4 Video) [Ryan Holtz, James Wallace, David Haywood]
NBA Showtime / NFL Blitz 2000 (ver 2.1) [Ted Green]
NBA Showtime Gold / NFL Blitz 2000 (ver 3.0) (SportsStation) [Ted Green]
NBA Showtime: NBA on NBC (ver 2.0) [Ted Green]
The New Crystal Maze Featuring Ocean Zone (v2.2) (MPU4 Video) [Ryan Holtz, James Wallace, David Haywood]
Nice Code Plug and Play Sudoku Game (NES based) [Sean Riddle, David Haywood, GameHistory.org]
Photo Y2K 2 / Chaoji Bi Yi Bi 2 / Dajia Lai Zhao Cha 2 / Real and Fake 2 Photo Y2K (M101XX 05/25/01 11:02:54) [iq_132, dink]
Prize Tetris (BWB) (MPU4 Video) [Ryan Holtz, James Wall, David Haywood, Angelo Salese]
SCCH LLC-1 [Robbbert]
Senario Guitar Star (US, Senario, NTSC) [David Haywood]
Strike it Lucky (v0.5) (MPU4 Video) [Ryan Holtz, James Wallace, David Haywood]
TaiKee Rockstar Guitar / Guitar Rock (PAL) [David Haywood]
Tetris Payout (BWB TET1 Version 2.2, set 1) (MPU4 Video) [Ryan Holtz, James Wall, David Haywood, Angelo Salese]
unknown rocket/animal-themed poker [Roberto Fresca]
Vegas Poker (prototype, release 2) (MPU4 Video) [Ryan Holtz, James Wallace, David Haywood, Highwayman]