Speed Solver
In order to get these achievements follow the steps (starting in home page):
- mouseover Puzzles menu -> click on Puzzles
- from the menu in the right select Puzzle Rush
- select 5 min and click Play
- solve as many as you can until time runs out!
There are 6 overlapping achievements as follows:
- if you solve at least 10 puzzles you get Speed Solver 10+
- if you solve at least 20 puzzles you get Speed Solver 20+
- if you solve at least 30 puzzles you get Speed Solver 30+
- if you solve at least 40 puzzles you get Speed Solver 40+
- if you solve at least 50 puzzles you get Speed Solver 50+
- if you solve at least 60 puzzles you get Speed Solver 60+
Here is the link that takes you there directly.