Learn through an adaptive spaced repetition system that adjusts review intervals based on recall performance. Study symbols, names, and periodic table relationships with structured lessons.
Solve logic puzzles by destroying bricks to unlock hidden digits. Two types of locks require one or two adjacent bricks to be removed. Bombs appear at random and affect the field. Track progress and adjust strategies for each level.
Navigate through challenging gates to collect valuable items. Upgrade abilities to access higher rewards. Track progress and manage resources to maximize earnings.
Play logic puzzles like Sudoku, 2248, 2048 Shoot, LINES, Unblock, Cell Connect, Pipes, Color Fill, and Drag n Merge. Solve puzzles to improve problem-solving skills and logic. Connect same numbers by sliding in eight directions.
The symbols, names, atomic numbers, and positions of all 118 through 78 levels and 36 challenges. Complete 9 modules covering element categories and a final module reviewing all . Track progress and reinforce knowledge with structured training.
Play a single-player snowball fight with simple controls and no complex rules. Accumulate snowballs, aim at targets, and compete on a global leaderboard. Share achievements and replay past battles.
Play a match-3 game featuring adorable characters. Complete levels with specific targets before moves run out. Compete with friends via Facebook for high scores. Unlock numerous levels and achieve combos for rewards.