Last updated on January 3rd, 2026 at 11:57 pm
Causality – Puzzle Game Review
Causality is a Puzzle/Adventure game from Loju LTD, first launched in 13th February 2017.
It’s rated 9+ and currently has 184+ ratings on the App Store.
What Makes Causality Stand Out
Causality is a puzzle game about manipulating time, altering the sequence of events and changing the outcome of each level.
Set across strange and alien landscapes, help a group of stranded astronauts find a route to safety. Travel through time, work with your past selves and solve paradoxes as you take on this uniquely challenging puzzler.
Each level represents a brief but hazardous moment in time. Levels are completed by guiding each astronaut to an exit that matches their colour, within a limited time frame. When all astronauts reach an exit the level is complete.
- Control time and change the outcome of each level
- Work with your past selves to solve puzzles
- 60 levels to complete
- 13 achievements to unlock
This Puzzle game offers engaging gameplay and regular updates for mobile players.
Player Feedback
As a newer release, Causality is building its player community. Early feedback suggests .
Recent Updates & Development
Latest Update: 1st December 2021
Recent improvements include:
Updated for iOS 15
Download & Availability
Causality is available through the official App Store for iOS devices.
Requirements: Requires iPhone 5s / iPad Air / iPad Air (Cellular) / iPad Mini 2 (Retina) / iPad Mini 2 (Retina, Cellular) / iPhone 6 / iPhone 6 Plus / iPad Air 2 / iPad Air 2 (Cellular) / iPad Mini 3 or later.
Compatible with iPhone and iPad devices.
Player Experience Highlights
Community Insight:
This game is INCREDIBLY underrated! Its a shame Im discovering it 3 years later. We just downloaded this on a whim earlier today and its exactly what we were looking for. We really like fun puzzle games just like this one. It scratches our brain in exactly the way we need! Its a bit like Portal, but the way they incorporate the concept of time and distance is absolute GENIUS. The UI is so intuitive and easy to get started! The music great, the sound effects satisfying. Honestly, this is a total gem! Im already dreading running out of puzzles.
We needed to find a game to review for our class and this immediately struck our eye. We think its unique, simple design, the puzzles are challenging, and its fun! We think its worth the $2 and its been fun to play during our free time. We personally like the rewind sound we think it sounds cool especially when you play the game with music and headphones on.
This was a fun game to play. The puzzles were enjoyable to solve and not frustrating at all.
Beautiful sound design, challenging and fun! Nicely done developers.
Terrific game! Its wonderfully simple with a great motif that keeps the challenge entertaining. Play starts out easy and Im happily struggling with the last of level 2 challenges. Best of all is the gameplay: Its simply fun. And challenging.
Hey guys! This game is unique and extremely fun. We still love this game even though it is destroying our brain cells slowly. But we love it. Oh, and the models, the art and the animations are just incredible. Amazing work, and keep it up :).
UPDATE: Still hands down our favorite App Store game EVER! Enough time has passed now we can play it AGAIN!!! Maybe we will finally figure out Puzzle #410 on our own this time Planning to check out Ordia by the same devs next – this game also has great reviews. UPDATE: So its been a few years since Ive played this amazing game, and its still just that AMAZING!! We will never delete this app Once again, we had to look up the solution for Puzzle #410 and it is still absolutely insanely brilliant ORIGINAL: Awesome game, really unique concept. If you like challenging logic puzzles, go on and get your $2 out. We just finished the last puzzle and have already been to the devs website looking for more! RE: Puzzle #410 – wow, what a mind bender we spent 3 days on that one.
Theres good and theres great games, this is a great one.
Great Game, Im new to it but we wanted to say that we really appreciate the Color Blind mode! We were about to abandon the game when we got to the level with 3 characters due to the colors red and orange, but having the option to active the symbols is perfect! Thank you for that.
Well, almost. Slick little puzzler.
UPDATE: So its been a few years since Ive played this amazing game, and its still just that AMAZING!! We will never delete this app Once again, we had to look up the solution for Puzzle #410 and it is still absolutely insanely brilliant ORIGINAL: Awesome game, really unique concept. If you like challenging logic puzzles, go on and get your $2 out. We just finished the last puzzle and have already been to the devs website looking for more! RE: Puzzle #410 – wow, what a mind bender we spent 3 days on that one.
Is there a specific genre for these kind of Time travel type puzzle, step sequence timed trial type app games? There needs to be. Sure Im not the only person who absolutely loves these type of games & has a hard time finding them. Sifting through all the norm boring puzzle crap out there.
Has anyone been able to beat 407 because Ive tried what we think is every possible way and nothing . Even with that trying to control the teleport timing im about to lose it . We havent given up on 408 yet that seems doable but 407 , it has to be in there to mess with people . Unless there is some way to alter which way you turn at the end of a path without arrows . We would like to be contacted about this . If youve been able to beat 407 please let us know Thanks.
We have earned Set 1 Complete, Set 2 Complete, Set 3 Complete, and Set 4 Complete and they have unlocked in our GameCenter achievement list for Causality. We have played through each level twice just to check so we can earn the All Levels Complete achievement. Let us know if there is a patch or an update for this achievement, because otherwise we found the game a good challenge.
Love the game. Shame that these levels are not working well. Hope theyll be fixed. These are just the ones Ive noticed so far (playing lvl 411 now).
The game is good but the controls are horrible.
Couldnt figure out how to exit had to click help menu so it opened safari then closed with app switcher. Levels very redundant gets boring fast.
Great game. The music is a bit haunting, like the isolation of outer-space. The challenge ramps up nicely, and the bonus levels can be quite difficult. Ive been working on the last two levels for some time now. Ill admit we looked up solutions to a couple of levels, but Im determined to solve these last two on our own. Thank you to the developer for fixing the bug on 4-14.
Great complex game but we completed all the levels in a short week.
The number of levels is seriously misleading. When we bought this game, we looked at the reviews and saw some of them talking about level 303 or level 101 but really 101 is level 1 and level 303 is 3 in the third world, and there are only 10 levels per world, with a few bonuses. We thought we were getting a lot more value for our two dollars than we were actually getting, and that alone ruins the experience for us.
Whenever we trigger a paradox the tiles can no longer be turned, so the only way to fix it is to reset the entire puzzle. Theres no way this isnt a bug, its incredibly frustrating when this happens in the later levels.
Its amazing the amount of work and thinking it took to make this game. We really enjoy it. A couple things we think are bugs Sometimes when we turn an arrow and the game detects a paradox, we can no longer turn the arrow again to get it out of the paradox. Since the arrows only turn counterclockwise, sometimes we cant get the arrow to the direction we really want it. Also, the achievement level 310 in 16 segments Im completing it in 16 segments, but the game is not awarding the achievement. Thanks! And again, great game.
Let us just say one thing about this game, its complicated. If you arent into very challenging puzzle games, then this isnt for you. But, putting all that aside, this beautiful game is very fun and very unique! The concepts are very cool and the sound is also crisp and clean in our opinion. Highly recommended for anyone who has patience and skill. Great work to all the developers.
This is one of the most beautifully crafted strategy games Ive ever played. It has everything from clever concept to lively artwork to thought provoking music. We highly recommend this game a hundred times over.
We typically download then delete games quickly, but this one had us hooked until we cleared every level. Ive never had so much fun playing a mobile game before. Its the perfect balance between challenging and fun, it makes you use your noggin rather than rely on speed or accuracy, and it has a great time travel twist that forces the player to use logic to solve paradoxes and such. Highly recommended for any puzzle and/or sci-fi nerd.
Once time travel is introduced into this game, its simply mind blowing. You can even create paradoxes! Its so satisfying to simply rewind the game right before you solve it and watch your solution run from beginning to end. We cant imagine the work it takes to think up these puzzles. Great job devs.
Too many people are saying it makes no sense. Fantastic game.
Really enjoying this game. Very clever puzzles and very challenging. Great job. Our only complaint is the lack of iCloud backups. We love playing on our iPad but dont want to take it with us everywhere we go. This is a great pick up and play game. Any chance you can add iCloud backup.
313 is also broken. After watching a walkthrough on YouTube the video shows something that is literally impossible to duplicate because once one of the arrows is switched the ghost completely disappears. Otherwise great game.
We cant quite put our finger on why its not enjoyable, but it is not a very joyful game. It feels like just solving math problems.
This is a very innovative game. Im just through level 115. However unless Im missing something we cant believe that after you complete a level when you return to it you cannot play it again! This seems like such a simple way that it should work… Return to a completed level and it remembers your solution until you click reset. This is so serious to us Im deducting two stars.
The worst kinds of puzzle games are the ones where you accidentally solve the puzzles because you absolutely dont understand how it works. This is one of those types of games. We got to the portal stages and have no idea of what the branch on the timeline means and why we suddenly spawn another character…but hey, Im suddenly solving them without any idea of whats going on. Please add a tutorial.
We cant get over the initial depressingly eerie music as we tried to figure out how it works. The choice of sounds is so deeply downing on our spirit and feels so haunting to ones soul that we could barely tolerate it less than a minute. It was too much of a distraction and theres no point playing an app game without the accompaniment of background music in it. Too bad because we loved the visuals of the game and its cool concepts. Its why a 2 stars instead of just one. Hopefully, am only a few thats bothered by( to us ) a horrific depressing choice of sounds chosen by its developers. No choice but had to removed it. First time we tried an app game less than a minute, or was it 30 seconds? Oh well, from most of the reviews, Im not worry of the effects of our one review. Have fun if youre not bothered by the sounds! GL.
No instructions(( Im not much of a gamer or puzzler,but really we couldn't even get past the first screen.No help…anywhere. So deleted it….unpleasant experience.
Needlessly complicated without adding enjoyment.
Crazily basic and boring. Save your time and instead petition for Apple to fire this dude as Editor.
The best mobile game we've ever played. Mind blowing. Can't say enough. A bit reminiscent of Braid.
Great game, very challenging levels while still not being unbeatable. Loved it.
Good game really. Days ago everyone we know who played this game can not go through level 410. We ourselves spent several days trying on it, and finally we believe this level is physically unable to be solved. But now it is solved. Challenging.
Want to be able to play on multiple devices.
Great game. We had to skip level 307 because in our version, it simply doesn't work. We resorted to looking at the solution, and it's not what happens on our iPhone 6. In the shown solution, after creating the ghost, you turn away from the transporter, and continue with the astronaut and the ghost. But in fact, on our iPhone at least, when we turn away from the transporter, the ghost disappears. Otherwise, great game, only had to cheat twice (not counting level 307).
Great concept and good (if somewhat buggy) execution. However, the game experience was tainted for us in that the audio quits frequently and doesn't return until we reboot our new 10.5" iPad.
We're downloading again to give it another chance. We enjoyed playing through the first world but then the game crashed and wouldn't let us start it up again. Please fix.
This just feels like a fancy version of a Rubik's cube. If you like those, maybe you'll enjoy this. We however thought it was very dull. Disappointed.
The game looked fun but we were frustrated by the characters lack of logic. It seems like there may be a pattern to when they turn without an arrow but we can't play it long enough to find out. We got through a few levels but it was pretty tedious. Looks good with no lag on iPhone 7 Plus.
Big waste, makes no sense. Like so many other "featured" apps it is not worth the download.
Kind of cool but lack of instruction and nonsensical level progression make this a dud.
The screen flashes and blurs while playing. So annoying. This needs to be fixed! We already deleted the app and downloaded again twice– Same result. We would not recommend.
Really have enjoyed this game from start to finish. We give it 5 stars because we couldn't put this down once we started it… And couldn't play anything else until we beat it. Challenging? Sure… Fair? Always. TOUGH AS NAILS at some points… But really, there's always an answer. Sit back and think through it.
This is a wonderful game. The mechanic involving time travel is unique, creative, and generates challenging puzzles. It is most certainly not simple or repetitive. (we can only imagine that those who say otherwise didn't play many levels). The levels are exquisitely designed. There are not too many, and the difficulty ramps up nicely. Some of the final levels are truly brilliant (and very hard!).
User feedback from Apple App Store
App Details
- Version: 1.4.8
- Size: 166.11 MB
- iOS: 11.0 or later
- Languages: BG, EN, FR, DE, IT, JA, RU, ZH, ES
- Content Advisory: Infrequent/Mild Cartoon or Fantasy Violence
- Developer: Loju LTD
Last updated: 1st December 2021 | Genre: Puzzle, Adventure | Developer: Loju LTD