DOS games from 1999 you can play online, free in your browser. 11 of the 82 titles here start instantly, with nothing to install.
They date from 1999 and lean towards action, adventure and strategy / tactics.
Airline Simulator 21999 · Simulation
Around the World: Christmas1999 · Action
Berusky1999 · Puzzle
Dark Moon1999 · Action
Grand Theft Auto: London 19611999 · Action
Grand Theft Auto: London 19691999 · Action5.0
Horde: The Northern Wind1999 · Strategy / tactics
Metal Slug: Super Vehicle - 0011999 · Action
Snood1999 · Puzzle
Sonic the Hedgehog1999 · Action
Tyrian 20001999 · Action