This is a very well made, highly polished, addictive game that playes right into all the iPhone's strengths. The use of device tilt to affect the cascade direction is very intuitive, and creates just the right level of emergent behavior to push this game from a me-too puzzler into something quite unique and fun. Multiple game modes, an achievement system, and a great sense of graphical style make this a hands down winner. Yeah, I might hand someone Monkeyball if I wanted to show off how many polygons the iPhone can push, but I'll hand them Trism when they're ready to have some FUN.

I really don't know why Monkey Ball is the most downloaded app. This one blows that game out of the water!!

well I just spent about half an hour writing a detailed review of this game, then accidentally brushed the screen with my finger and now it's gone. I guess that's what I get for writing on my iPhone instead of my computer. anyway, long story short, I don't like this game (yes, I actually said that). the triangular pieces make it almost impossible for me to identify partial combos needing completion and to grasp whether a nearby triangle will complete the combo or just wind up point-to-point with it (which *won't* complete the combo). I have a much harder time working with the three axes in this game than with the two in Bejeweled, for example, and even being sure whether a distant piece is in the row it needs to be in to wind up where I want it to wind up after I slide it. the triangles are way too restrictive: there are too few ways they can go together to be considered "together" - unlike in Bejeweled where you don't have to think about the orientation of the pieces - together is together, regardless of their shape. the look of the game is very nice, the tutorials are clear, concise and complete, and I like the pleasant sounds; I just don't like the gameplay at all. which, unfortunately, is kind of a big deal as far as playing the game goes. reviews can be misleading for people who don't think like everybody else. from now on I know not to download any more for-money games until the App Store and the developers figure out how to provide trial versions. update: having tried a few more times to overcome my inability to see combinations in this game, and having failed, I finally trashed it, making the $4.99 I spent on it a true and complete waste. we need either trial periods for App Store apps, or a way to either get a refund or send an unwanted app to another iPhone user so apps we don't like or use don't wind up being nothing but sinkholes for our money.

I can't beat level 18 (Blackhearted) in syllogism mode. Am I supposed to make a heart or something?

Just a warning to anyone who is colorblind: do not buy this app. it is very difficult to play if you're blue / purple colorblind (not too bad for red /green colorblind people as the red and green are highly differentiated). There is a a "colorblind mode," which basically puts an impossible to read letter on each triangle to indicate the color. not only is the letter hard to read, but looking at a sea of different color triangles with letters in every one is very annoying after about 5 minutes. Note to the developers: for colorblind mode, make the blue darker and replace the purple with light blue, and take out green and put orange in its place.

If you have ADD, stay away from this game. This developer has managed to create a game that is far more than the sum of its parts, and you will find yourself easily ensnared for hours at a time. Very well designed, and far more captivating than "similar" games, which just don't seem to measure up anymore. Kudos to the developer, and I hope to see more quality games from him/her/them.

Awesome because it uses the accelerometer and touchscreen, and fun because of the achievements and clever concept. Easily worth the cost.

This game truly defeats Bejeweled. This is not just another color-matching game. A whole new dimension is added with the accelerometer support. In Trism, you have the opportunity to manipulate the board by tilting your phone to dictate where the new trisms fall. This allows for a more interactive and satisfying game play. I'm getting more addicted to Trism every time I play it. If you want to challenge yourself even more, there's a timed mode and a puzzle mode. Which ever one you choose you will be playing for hours at a time. What's even better is that Trism is designed so you can leave your game and jump right back in the next time you get a chance.

This is the perfect game app for the iPhone. It's beautiful, works smoothly, has a great little tutorial (if you like that sort of thing), and is totally addictive. Well worth the money--and then some! You'll be glad you bought it. You'll find yourself playing it while waiting in line, riding in elevators, in between baseball innings, during those advertisements at the movie theater, and other things you do that take more idle-hands time than you'd like. Buy it, you'll like it!

I am SO happy with my purchase of Trism. I have spent close to $100 on the apple app store, and I have gotten some VERY cool apps for my ipod touch. I am a 32 year old, and I have been playing games my whole life. I have always had a love for puzzle games, BUT only certain ones could win me over, where I would keep playing them for years...My personal favorites are Lumines, Klax, Tetris, Boxxle, and Gunpey. I can now add Trism to the list. It's one of those games that not only will I be playing for years to come (it's greatly addicting), but one I feel will influence puzzle games of the future. This game BELONGS on the Ipod Touch and Iphone - Play it for a while and you will see why. After playing this game for 3-4 days, I would have paid $30 for it. Best of luck to you Demiforce! How about a remake of Klax?!?!?

This game is so much fun and is extremely addicting! Demiforce did an fabulous job utilizing the iPhone's controls such as the touchscreen and accelerometer. You'll look like a fool playing this while waiting in line, twisting your phone in all different directions, but you'll be a fool having fun.

I loved the Trism demo, and was ready to flip the five bucks for the full version, but had no idea that I only saw a fraction of the game. There is so much more, and it is more polished as well. Definately the best deal at the app store so far!

Exceeded all my expectations, and they were quite high to begin with! If you're only going to get one game for the iPhone, this is the one to get.

Great gameplay that takes advantage of the touchscreen and accelerometer perfectly. The inclusion of multiple gameplay styles as well as achievements(!) really bring much needed value missing from more expensive App titles. Should do for the iPhone what Tetris did for the Game Boy.

This game utilizes the iPhone and iPod Touch’s multiple features to give the players a truly unique experience.

This is the best thing since Tetris...amazing work!!....looking forward to what you're going to do next...

I have been waiting for this game since I first saw the demo video, now I just have to wait until the iPhone 2.0 software is installed on my first generation iPhone so I can play it. I hope to see more games from Demiforce.

Seriously, this is my first 5 stars review - and this game is worth it.

This game is better than bejeweled, and is very challenging. Its very addicting and will keep you playing for hours after hours. Definantely worth $5.

Fun spin on bejeweled style games. The accelerometer control makes things even more fun and (so far at least) is probably the best use of this type of control I've yet seen. Gets very addictive, very quickly. My only disappointment was that I wish it had background music. In any case, it's well worth the price.

i love this game and can't stop playing it. all the modes are cool. i hope demiforce has other games like this in the works. if you like puzzle games this is a must have, best one so far!

Picked this game up 2 days ago and I can't put it down. There's so much depth to this game its crazy. Tons of acheivments to unlock, GREAT integration with the game's website (shows high scores, who got which acheivments, and tons of other great info). You also get 3 different game modes which are all awesome. You can tell that the developer really put his heart into it, and since he's so active of the forums (at the game's website) I'm sure we'll see many updates for the game. This is a must own for anyone who enjoys puzzle games. The only prolem with this one is it's way too hard to stop playing!!

This is by far the most engaging game I've played on the iPhone. Trism is initially simple enough that anyone can learn to play, yet will push your ability to strategize to new limits. I can't think of a better way to drain my iPhone's battery than by playing this for countless hours on end. With three different game types included all utilizing the iPhone's accelerometer, you can't go wrong!

I can't wait for the updated version to fix the very few issues I've had - maybe add something new?! ;-) Well worth the $ I paid It's so cool that last night I had half the bar all joining in to help me and my friend - hell I think this game sold a few iPhones last night too!

I was slightly wary of purchasing this game- I had seen a simple demo version online on my computer a while back, and while it looked like an interesting twist on the game-type, it was just a little too plain vanilla. I loved playing Bejeweled 2 on my old pda, but paying double the price to have it on my iPhone seemed wrong. So I trusted the reviews and bought Trism- and I'm SO glad I did. The game has been polished far beyond what I had seen in the simple demo, there are loads of little achievements and power-ups to go for, and it is now without question the most used 3rd party app on my phone. Perhaps I should be using some of the productivity apps more than a game, but Trism is truly addictive. Sadly, I have falling triangles in my dreams now! One slight criticism is that after playing for a little while the game starts to respond a little slowly, as if the memory is being overloaded a bit. Not sure if this is due to the Trism itself or the iPhone 2.0 firmware. But all in all a great game. It really tickles some part of your brain that, once you start to get your head around the strategy and game mechanics, you feel compelled to play just one... more... game...

I suggest everyone purchase this game. I would love for this developer to continue creating excellent content. I look forward to your next project.

I made a mistake and let my wifeee play Trism... Now I'm gonna have to buy another iPod Touch!

I REALLY wanted to like trism. From the cinderella developer story, the beautiful, clean graphics, and the integration of tilt into the game, from 30,000ft, the game seems ingeniously designed. However, when you start playing seriously, it becomes clear that Trism was thoughtlessly designed. The default mode of play, "infinism", challenges the player to take his/her time to score enormous point totals by setting up huge combos. Achieving this goal is nearly impossible because the scoring value of certain combos is entirely opaque and totally counterintuitive. Why is it that some 40-trism 7-step combos are worth hundreds of thousands while others are with tens of millions? No tutorial or infoscreen explains how the game scores your achievements, yet the network maintained high scoring lists show individual combos of similar size that reach astronomical point scores. Why sit for minutes on end scheming complex combos to receive points that make no sense? Second, Trism is buggy. I have had games end by bomb when there is no bomb on the screen. I have lost games whenthere is a weird stuck piece halfway between rows of trisms. And the game badly detects tilt at times unless you really jerk your device around. The engine is problematic and needs to be tweaked. Third, the worldwide scoring system was a good idea that failed in implementation. It has obviously been hacked out of any credibility it once had-- infinism top scores range in the hundred billions, which is hard a hell to believe, but largest combos range in the three trillion range, which is outright contradictory. Stop letting us down, Demeter. Overall, trism is a good concept. Mr. Demeter hit on a deep and interesting gameplay mechanic. However, citing my complaints above, he has failed to fully develop the potential of this game. It is quite possible that Demeter does not see the potential Trism has-- with a scoring system that doesn't force you to spend what feels like hours planning your next move and with the engine bugs adequately fixed, and with a worldwide scoring system people can actually compete on, Trism could be the next Tetris. Sadly it was the only the last "Zuma", instead. Here's hoping that fame hasn't gone to Demeter's head so much that he can't come back and turn pretty good into excellent.