Game design by Tom Maremaa. Amiga conversion by Michael A. Sokolewicz of Kinetic Consultants; original 68K coding by David Minor and Ed Rosenzweig. Amiga graphics & animation by Phil Porter; original artwork by Mark S. Pierce.
 Min. Requirements (V1.0): KS1.1, 512k ram (game will not work with ram expansion above 512k).
Min. Requirements (V1.2): KS1.2, 512k ram.
 Initially released in the U.S. in late 1986 by Infinity Software, the Euro releases (English/German) of GRAND SLAM were published in late 1987 by Eidersoft/Paradox and then in 1988 by Databyte.
 Game must be launched from WB after booting from floppy (i.e. game does not autoboot).
 Game features hi-res graphics, mouse-keyboard control, savegame support, full multitasking (memory permitting) and a quit back to WB option.
- V1.0 (25-Nov-86) [English, U.S. release]
- V1.2 (21-Aug-87) [English, UK release]
- V1.2 (21-Aug-87) [German]