Play by guessing letters in a hidden word within six attempts. Track progress through increasing difficulty levels. Challenge friends with competitive modes and unlock achievements for completing levels.
Solve a color sequence puzzle by guessing the correct within limited attempts. Adjust difficulty levels. Use letters for colorblind players. Automatically generate new codes. Track progress and statistics. Share scores with friends.
Solve puzzles by filling grids with digits. Enter numbers in rows and columns to match clues. Avoid repeating digits in any row or column. Access a large library of free puzzles. Track progress and restart puzzles.
Solve encrypted phrases by matching letters to different characters. Use hints to reveal vowels and analyze letter frequencies, bigrams, and trigrams. Adjust letter mappings to decode the phrase.
Play a game where you tap the screen to move your spermcell forward. Avoid touching walls to survive. Compete on a leaderboard and collect achievements. View highscores and objectives for extra points. Track previous attempts with other sperms.