OIDS for Atari ST
  2 launchers:

RUNME.TOS will run original game (V 1.0)
RUNMEM.TOS will run improved version with better
framerate  ( V 1.2) - highly recommended.

HAGA version - for hard disk running, TT, Falcon
compatibility. Min RAM  1MB.

By pressing M at HW detect screen may enter
machine setting option - only with Mega STE,
TT, Falcon.

Exit to Desktop, savestates options.
Trainer options.

This version supports not Editor of game. It is for
playing only 6 original galaxies. Basic HD version
is where Editor works.

You can even add comments in snapshot files (GS00.TOS - GS99.TOS) - usage is easy :  hold down Left Shift and doubleclick on snapshot file. Then may enter some shorter comment. When typed all, press Enter for finish & save. To view comment hold down Right Shift and doubleclick on snapshot file. It will show comment + HW on which snapshot is made , with TOS version too.

Fire control updated for improved v. - now it's easy to fire
single shot and Novabomb with joystick.

   PP, June 19 2017