Planet Number is the first CD-ROM title in the 'Maths World' series.

Set in 2025AD, the game contains activities and practice questions to help with basic numeracy in the National Curriculum at Key Stages 3 and 4 (levels 3 to 5).

Planet Shape is the second CD-ROM title in the 'Maths World' series and follows on from the critical success of Planet Number.

Set in 2035AD, the game explores all the key elements of Area and Volume contained in the National Curriculum at Key Stages 3 and 4 (levels 3 to 5).