The Learning Company · Reliable Micro Systems*
Gertrude's Secrets

At a glance
Genres
- educational entertainment
- Edutainment*
- educational video game*
- puzzle video game*
Play modes
- single-player video game
- Single-player*
Game facts
Developers
- The Learning Company
- Reliable Micro Systems*
Publishers
- The Learning Company*
- International Business Machines*
Platforms
- DOS
- Apple II*
- Commodore 64*
- MS-DOS*
Players by platform
- DOS*
- Maximum players (mode unspecified)
- 1*
- Commodore 64*
- Maximum players (mode unspecified)
- 1*
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* Provisional data