Radian is a puzzle game with a twist! Play a tactile 3D board made of rotating rings! Like many classic arcade games, it is mesmerizing in its simplicity, while growing more intense until you finally crack under the pressure.

"It's like a Rubik's Cube® and Tetris® at the same time!"

Puzzle Mode
Includes a huge number of handmade puzzles with a wide range of difficulty. Clear the entire board in as few moves as you can. Try to match or beat par for each level, and work your way to the really hard stuff!

Arcade Mode
Level up before the timer reaches 12 o'clock, or it's game over. As you level up, the board grows more complex and special blocks are added. Leveling up adds more blocks, additional colors and more specials to catch before they time out.

Infinite Mode
Like Arcade mode, the board grows more complex as you level up. There is no timer to beat here, so you can play until your brain hurts—or until your ride shows up.

• Get bonuses for playing smart and fast
• Chase high scores in Arcade mode, with updates on your progress
• Lovingly crafted and refined by an old school gamer and a thousand kind guinea pigs
• Randomized color palette changes with every game
• 100 handmade puzzles
• Dynamic music never repeats, giving cues about gameplay
• Plays in landscape and portrait orientation
• Powered by Dolby® on supported devices
• Built from the ground up 3 times, in a relentless pursuit of perfection and/or masochism


Specials (Arcade and Infinite) include:
• Chaos - Shuffles the entire board
• Flipper - Colors for the current block randomly change until you use it
• Gyro - Changes the rotation of the rings, making it difficult to connect colors
• Dead - Kills the current block, taking it out of play
• Rainbow - Causes the current block to respond to all colors
• Lock - Locks the entire ring for a period of time
• And more!


Praise
"Curse you..." - Amy
"Very simple and very fun. Just want you want from a game." - Dan
"A game for people who are good at math, but who are also creative." - Maddy
"I could play this for hours." - Sarah
"I can say I knew you when..." - Mom
Read more
4.6
17 total
512
44
31
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Additional Information

Updated
January 20, 2015
Size
11M
Installs
100+
Current Version
1.0.1
Requires Android
2.3 and up
Content Rating
Unrated
Warning – content has not yet been rated. Unrated apps may potentially contain content appropriate for mature audiences only.
Permissions
Offered By
Grand Unified LLC
Developer
5330 College Avenue, Suite 110 Oakland, CA 94618
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