How long does it take to beat Monster Island (WP)?

The estimated time to complete all 18 Monster Island (WP) achievements is 4-5 hours.

This estimate is based on the median completion time from 123 TrueAchievements members that have completed the game.

Please note there are now 18 discontinued achievements in this game, so these estimates are not necessarily accurate for all of the achievements currently unlockable.

Site Completion Estimates