Here is my 1.44 3.5" floppy:
Volume in drive A is MM2_IBM
Volume Serial Number is 11FE-1719
Directory of A:\
07/11/1989 01:21 PM 3,504 1MENU1.OVL
07/11/1989 01:20 PM 7,280 1MENU2.OVL
07/11/1989 01:21 PM 2,784 1RETINN.OVL
07/11/1989 01:21 PM 5,104 2BRAIN.OVL
07/11/1989 01:21 PM 4,448 2CAST1.OVL
07/11/1989 01:21 PM 4,688 2CAST2.OVL
07/11/1989 01:21 PM 5,488 2CAVES.OVL
07/11/1989 01:21 PM 4,432 2CMDS.OVL
07/11/1989 01:20 PM 15,952 2COMBAT.OVL
07/11/1989 01:21 PM 3,808 2MISC.OVL
07/11/1989 01:21 PM 3,968 2MISC2.OVL
07/11/1989 01:20 PM 17,184 2PLAY.OVL
07/11/1989 01:21 PM 5,920 2SMITH.OVL
07/11/1989 01:21 PM 3,824 2TEMPLE.OVL
05/01/1989 01:44 AM 1,768 ATTRIB.DAT
02/15/1989 04:49 PM 3,318 BOOK.16
04/14/1989 12:36 AM 2,335 BOOK.4
02/14/1989 04:38 PM 16,004 CASTLE.16
04/18/1989 02:25 PM 9,946 CASTLE.4
01/13/1989 03:55 PM 812 CASTLEB.16
04/14/1989 12:41 AM 750 CASTLEB.4
02/14/1989 04:38 PM 530 CASTLEF.16
04/18/1989 02:25 PM 496 CASTLEF.4
04/06/1989 11:14 AM 3,888 CASTLET.16
04/18/1989 02:26 PM 2,499 CASTLET.4
05/03/1989 03:58 AM 21,779 CAVE.16
05/03/1989 04:02 AM 14,420 CAVE.4
01/13/1989 03:55 PM 810 CAVEB.16
04/14/1989 12:41 AM 641 CAVEB.4
05/03/1989 03:58 AM 1,368 CAVEF.16
05/03/1989 04:02 AM 1,383 CAVEF.4
02/14/1989 03:55 PM 4,028 CAVET.16
04/18/1989 02:27 PM 2,624 CAVET.4
05/01/1989 10:14 AM 3,187 CGA.DRV
05/01/1989 03:12 PM 780 DEFAULT.DAT
02/14/1989 05:06 PM 4,871 DESERT.16
04/22/1989 02:10 PM 3,554 DESERT.4
04/23/1989 02:06 PM 724 DISK.16
04/14/1989 12:37 AM 592 DISK.4
04/28/1989 01:56 PM 5,601 EGA.DRV
04/17/1989 01:18 PM 6,878 ENDGAME.16
05/12/1989 05:48 PM 4,025 ENDGAME.4
04/27/1989 11:29 AM 49,609 EVENTSI.DAT
04/27/1989 11:29 AM 25,797 EVENTSO.DAT
05/03/1989 11:18 AM 6,733 GLOBE.16
04/14/1989 12:36 AM 3,816 GLOBE.4
04/26/1989 10:54 AM 3,283 HGA.DRV
06/16/1989 03:56 PM 5,120 ITEMS.DAT
05/01/1989 02:58 AM 18,748 MAP.DAT
05/03/1989 04:17 AM 18,359 MASTER.16
05/03/1989 04:18 AM 14,584 MASTER.4
05/25/1989 02:33 PM 3,110 MCGA.DRV
04/20/1989 09:54 AM 1,024 MM2.CH
07/11/1989 01:21 PM 77,824 MM2.EXE
06/23/1989 05:31 PM 217,715 MONSTERS.16
06/23/1989 05:12 PM 124,291 MONSTERS.4
06/07/1989 04:43 PM 5,702 MONSTERS.DAT
04/28/1989 03:55 AM 2,940 NWCP.16
04/22/1989 01:11 PM 1,865 NWCP.4
04/17/1989 02:14 PM 7,367 OCEAN.16
04/22/1989 02:10 PM 4,901 OCEAN.4
01/13/1989 03:55 PM 2,170 OUTB.16
04/14/1989 12:41 AM 1,478 OUTB.4
04/17/1989 02:14 PM 5,484 OUTDOOR1.16
04/22/1989 02:08 PM 5,334 OUTDOOR1.4
03/17/1989 01:55 PM 10,132 OUTDOOR2.16
04/22/1989 02:08 PM 7,782 OUTDOOR2.4
03/17/1989 01:55 PM 8,851 OUTDOOR3.16
04/22/1989 02:08 PM 8,319 OUTDOOR3.4
03/17/1989 01:55 PM 2,495 OUTF.16
04/22/1989 02:08 PM 1,338 OUTF.4
07/11/1989 04:17 PM 8,292 ROSTER.DAT
04/24/1989 05:17 PM 1,866 SKY.16
05/01/1989 04:19 PM 1,467 SKY.4
02/26/1989 04:47 PM 192 SPELLS.DAT
06/22/1989 05:42 PM 4,700 STR.DAT
02/14/1989 05:06 PM 5,931 SWAMP.16
04/22/1989 02:10 PM 4,622 SWAMP.4
04/28/1989 03:36 PM 3,180 TGA.DRV
12/16/1988 05:02 PM 5,639 THROW.16
04/14/1989 12:37 AM 4,776 THROW.4
07/17/1989 08:38 AM 764 TIMER.DRV
04/24/1989 05:17 PM 23,055 TOWN.16
04/25/1989 06:34 PM 13,168 TOWN.4
01/13/1989 03:55 PM 814 TOWNB.16
04/14/1989 12:41 AM 631 TOWNB.4
04/24/1989 05:17 PM 527 TOWNF.16
04/25/1989 06:34 PM 499 TOWNF.4
04/25/1989 04:11 PM 4,535 TOWNT.16
04/25/1989 06:24 PM 2,603 TOWNT.4
02/14/1989 05:06 PM 5,699 TUNDRA.16
04/22/1989 02:10 PM 4,818 TUNDRA.4
04/11/1989 08:19 PM 2,474 XFER.16
04/14/1989 12:36 AM 1,722 XFER.4
08/24/1994 02:10 PM 526 INSTALL.BAT
95 File(s) 956,666 bytes
0 Dir(s) 476,672 bytes free
It's the real thing. You're right it wouldn't fit on a 720k 3.5".
MM2.jpg
You can tell from the 1991 copyright on the disk I have a later release.