Mathrax vs RotaStone

Mathrax is a logic puzzle. The goal is to fill in each cell with numbers from 1 to N, where N is the size of the puzzle's side. No number may appear twice in any row or column. Circles with additional conditions may appear on intersections of lines inside the grid. - A number and a sign of mathematical operation (addition, subtraction, multiplication, division) - a number is a result of an operation execution with numbers in diagonally adjacent cells. - A letter "E" ("even") - all numbers in four cells are even. - A letter "O" ("odd") - all numbers in four cells are odd. **** Mathrax features **** # Content - 6 different sizes of board - 5 difficulty levels - more than 500 levels # Features - Highlight wrong number automatically - Autosave the process of unfinished levels - Record best completion time for each level # Challenge - Game Center Achievements - Try to complete as many levels as possible

RotaStone is a fun and addictive, very difficulut puzzle game! Use rotation switches to place stones into colored hexes as same as stone's color. The difficulty level increases progressively as the level goes up. Can you clear all the levels? ◇ How to play: - Tap the rotation switch to rotate the stones around the stone. - When you tap the rotation switch, the stones placed around it will rotate around the rotation switch. - When all colored hexes have stones of the same color, the level is cleared. ◇ Features: - One-finger controls - Various unique stages - No penalties! No time limit! You can enjoy it at your own pace.