Export saves: export the savegame files from your browser, so you can switch to another browser or computer. You can also use them in an emulator installed on your computer.
Import saves: import savegames that you exported before with the Export saves button.
Download disk: export the whole game from your browser, with all your savegames. Useful to switch to an emulator installed on your computer.
Reset game files: if you somehow messed up the game files, you can reset them to an exact copy of the original.
Reset saves: delete all savegames from your browser. We recommend that you export them first: there is no turning back!

Cosmic Crusader - Play Online

PC Booter - 1982

For small DOS games like Cosmic Crusader, you can play online immediately with your browser (Chrome, Firefox, Safari, Edge, Opera...). This feature is experimental, the game may not work properly.

Warning: game save should work, but you should try it early! Also, be careful to select the right game executable in the list above.