| 16K RAM Pack | Works on Sinclair power supply. | Timex/Sinclair 1000 |
| 4K High Resolution Graphics ROM | Gives 448 extra pre-programmed graphics symbols. The ROM contains lower-case letters, bombs, bullets, rockets, tanks, a complete set of invaders graphics and more. The board also has a spare socket that will accept another 4K of ROM, like the 4K TOOLKIT ROM or 1K/2K RAM, for user-defined graphics. dk’Tronics and Kayde published several games that | Timex/Sinclair 1000 |
| 4K Toolkit | A powerful editor for serious BASIC programmers. Offers 11 new facilities: ALTER (replace a string); BYTES (how much free memory); COPY (duplicates program lines); DELETE (deletes a block); FIND (find a string); HELP; INSERT (merge two programs); KEEP (keeps a block of lines by storing them above RAMTOP); MOVE (move lines within a program); RENUMBER; | Timex/Sinclair 1000 |
| Centipede | High resolution machine language implementation of the arcade game. Requires dk’Tronic’s 4K High Resolution Graphics ROM. 16K. | Timex/Sinclair 1000 |
| Flexible ribbon connector | Extends ZX bus to prevents RAM pack wobble. | Timex/Sinclair 1000 |
| KAYDE Keyboard | Fully cased fully sized keyboard for the TS1000 or ZX81. 40 full stroke keys with all legends printed in 2 colors. Simple soldering of ribbon cable is all that is needed for installation. Repeat key. | Timex/Sinclair 1000 |
| Mugsy | You are the boss of a Chicago gang operating a protection racket. Can you survive the rival gangs, the cops, and Nick the Greek? 16K. | Timex/Sinclair 1000 |
| Murgatroyds | Roam around the screen, trying to lure the Murgatroyds into traps. 16K. | Timex/Sinclair 1000, Downloadable |
| Peckman | High resolution machine language implementation of Pac Man arcade game. Requires dk’Tronics’s 4K High Resolution Graphics ROM. | Timex/Sinclair 1000 |
| Pilot | Flight simulator. Learn to take-off, land and direction-find from the safety of your computer. Similar to Nightlite but without high resolution graphics. 16K. | Timex/Sinclair 1000 |
| Space Intruders | Space Invaders clone. Defend your position with three laser guns from a 40 alien ship squadron. 16K. | Timex/Sinclair 1000 |
| Space Invaders | High resolution machine language implementation of the arcade game. Requires dk’Tronics’s 4K High Resolution Graphics ROM. | Timex/Sinclair 1000 |
