Endangered Species: Ecological and Genetic InsightsSize: 12Difficulty: hard,,Rūšių nykimas - kas mano ranChallenging puzzle for experienced crossword solvers
Vanishing Species and Habitat PuzzleSize: 7Difficulty: medium,,Rūšių nykimas - kas mano ranModerate difficulty suitable for most players
Vanishing Species: Nature’s Silent AlarmSize: 15Difficulty: medium,,Rūšių nykimas - kas mano ranModerate difficulty suitable for most players
Extinction Dynamics and Cryptic BiodiversitySize: 5Difficulty: hard,,Rūšių nykimas - kas mano ranChallenging puzzle for experienced crossword solvers
Vanishing Species and Nature's SignsSize: 18Difficulty: easy,,Rūšių nykimas - kas mano ranPerfect for beginners with simple, common vocabulary