At the website linked below you can play over 2,400 MS-Dos games online for free,
I've only tried Elite (1987) but it works.
So if you want to relieve some old memories, visit the site below! I won't need to buy Star Citizen now.
https://archive.org/details/softwarelibrary_msdos_games/v2
Credit to Forgot69 for these examples from the front page:
- Prehistorik 2 by Titus France SA
- Bruce Lee by Datasoft, Inc.
- Budokan The Martial Spirit by Electronic Arts, Inc.
- Dune 2 - The Building of a Dynasty by Westwood Studios, Inc.
- 4D Prince of Persia
- Bust-A-Move by Taito Corporation
- Stunts by Distinctive Software, Inc.
- Centurion - Defender of Rome by Bits of Magic
- Alley Cat by Synapse Software Corporation
- Bricks
- Championship Manager 93-94 by Domark Group Ltd.
- SkyRoads by Bluemoon Interactive
- Deluxe Ski Jump by Mediamond
- Burger Blaster
- Lemmings 2 - The Tribes by DMA Design Limited
- Car & Driver by Lerner Research
- Dune by Cryo Interactive Entertainment
- Supaplex by Think!Ware Development
- Championship Baseball by Gamestar
- 3D Bomber
- Caveman Ugh-Lympics by Dynamix, Inc.
- 3D Lemmings Winterland by Clockwork Games Limited
- Cabal by Tad Corporation
- Total Carnage by Midway
- Lotus - The Ultimate Challenge by Magnetic Fields (Software Design) Ltd
- North & South by Infogrames Europe SA
- Carnage by Warped Minds
- Captain Bible in the Dome of Darkness by Bridgestone Multimedia Group
- 'Nam 1965-1975 by Kremlin, The
- Prince of Persia
- Bunny Bricks by Silmarils
- Burntime by Max Design GesMBH
- Oregon Trail, The by MECC
- Bruce Lee Lives by Software Toolworks, Inc
- Catacomb 3-D by id Software, Inc.
Source: PC Gamer.com
"abandonware" not sure of the legalities of this offer?