This game has an average grade level of about 6. It should be easily understood by 11 to 12 year olds. My students find this game to be more difficult, but also more fun than "A Day at the Beach" by the same author.
Readability Indices:
Flesch Kincaid Reading Ease 85.6
Flesch Kincaid Grade Level 5
Gunning Fog Score 7.2
SMOG Index 4.5
Coleman Liau Index 7.7
Automated Readability Index 4.7
(Source: read-able.com)
This game has an average grade level of about 5. It should be easily understood by 10 to 11 year olds. My students usually like this game less than "Escape from Simian Island" by the same author. But they appreciate the snarky humor; I usually hear some giggling as they read.
Readability Indices:
Flesch Kincaid Reading Ease 90.3
Flesch Kincaid Grade Level 4.1
Gunning Fog Score 6.4
SMOG Index 3.7
Coleman Liau Index 6.8
Automated Readability Index 3.7
(Source: read-able.com)