Only 1 is a fun, hyper-casual take on the 'Brain Out' logic-puzzle genre. It presents a series of challenges where only one specific interaction is correct, but that interaction is usually hidden behind a layer of lateral thinking or physics-based humor. It’s the kind of game that delights in tricking the player, making the 'Aha!' moment when you finally figure out the solution very rewarding.
The art style is simple and expressive, which helps the visual jokes land. Some levels require you to tilt your phone, while others might ask you to interact with the UI itself. It’s a high-energy, fast-paced experience that is great for killing time. While some of the logic can be a bit 'out there,' the internal consistency of the humor makes it an enjoyable journey through some very silly puzzles. It’s perfect for fans of 'Tricky Test' or 'Stupid Test' style games.
Available on: iPhone, iPad, iPod
Version 1.13.2Tue Jun 24 2025
Performance Improvements
Only 1% Challenges! is an enjoyable free game with various competitive challenges. You can test your all cognitive skills including reflexes, brain, accuracy, focus, and IQ, and share your best results with your best friends. Addictive games bring your best and improve your competence. Better if you score and try to be in the top 1%. Begin with easy mechanics and set your baseline scores and compare yourself with the all players worldwide. Play fun gameplays and try to achieve new trophies. If you enjoy riddle games, word games, word search games, puzzles, sudoku puzzles, or quiz games, Only 1% Challenges! is the game for you!
Features:
• Enjoy these impossible levels.
• Daily challenges that will push you too hard
• Unexpected jokers to make your game easier
• Categories that will increase your gaming pleasure
• Exciting VS. mode
• Endless fun and master brain-pushing games.
• Great exercise to push your quickness.
Have fun!
Requires iOS 13.0 or later. Compatible with iPhone, iPad, and iPod touch.Play tricky&fun games, make the best scores, and share with your friends!
Only 1% Challenges! is an enjoyable free game with various competitive challenges. You can test your all cognitive skills including reflexes, brain, accuracy, focus, and IQ, and share your best results with your best friends. Addictive games bring your best and improve your competence. Better if you score and try to be in the top 1%. Begin with easy mechanics and set your baseline scores and compare yourself with the all players worldwide. Play fun gameplays and try to achieve new trophies. If you enjoy riddle games, word games, word search games, puzzles, sudoku puzzles, or quiz games, Only 1% Challenges! is the game for you!
Features:
• Enjoy these impossible levels.
• Daily challenges that will push you too hard
• Unexpected jokers to make your game easier
• Categories that will increase your gaming pleasure
• Exciting VS. mode
• Endless fun and master brain-pushing games.
• Great exercise to push your quickness.
Have fun!










Only 1 Challenges is a mind-bending puzzle game that tests your lateral thinking and common sense. Each level presents a unique scenario where you must find the one correct action to proceed. But be warned: the most obvious choice is almost never the right one! Interact with objects, tilt your device, and solve hilarious riddles that will keep you guessing. With its quirky humor and diverse puzzle types, Only 1 Challenges is the ultimate test for your brain. Are you smart enough to find the one and only solution?
Hundreds of tricky and funny puzzles
Lateral thinking challenges and riddles
Interactive physics and device-based solutions
Simple but expressive cartoon art style
Regularly updated with new 'Only 1' scenarios
If you're stuck on a level, try things you wouldn't normally do in a mobile game. Try shaking your device, turning the volume up, or even dragging a character completely off-screen. Many of the 'Only 1' solutions involve breaking the 4th wall or using your phone's hardware features.
The game uses a 'Two-Step' hint system. The first hint gives you a vague clue about the logic, while the second hint shows you exactly what to do. Use these sparingly to keep your 'Logic Score' high on the global leaderboard.
The game usually plays a funny fail animation, and you can instantly try again without any penalty.