Linear Variation 1 : Adding or subtracting a single game element or by a fixed group of elements. e.g. Level 1 has 1 enemy. Level 2 has 2 enemies. Level 3 has 3 enemies. And so on
Richard Hakem Terrell (KIRBYKID), An indie game designer, video game consultant, tournament organizer, competitor, writer, musician, artist, and teacher), Critical-Gaming Network (Critical-Glossary), Dallas, TX, USA 2007 (updated 2013). http://critical-gaming.com/critical-glossary/, (Ergo - Amer) {747}