A third expansion module for the game was announced on 13 May 2010.

Two other expansion modules are to be added in the next few years.

Is an expansion module that may be installed on the 1120E, 1140E, or the 1150E phones.

The HP-41 had room for up to four expansion modules at the back of calculator.

The HP-41 was not the only calculator of its generation that allowed expansion modules.

The other two expansion modules, Kvant-1 in 1987 and the docking module in 1995, followed different procedures.

Mutant 2 (1986) was an expansion module with more advanced rules.

Eight expansion modules were known to have been made for the Speak & Read by 1986.

Other expansion modules include a floppy drive, and a memory expansion unit.

Up to four city guides can be loaded onto the expansion module, which has eight megabytes of memory.