So I'm going to break this down into categories for easy readin' n reviewin'

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Game was updated 27/01/2016. I'm using this space to update my review based on those changes. Original review is down below.

They have implemented WASD controls and have now made wall jumping a tad easier. This makes playing the game more comfortable and with the improvements to wall jumping less frustrating.

Fixed the music abruptly stopping after death. You can now finally hear the chill music track and I dig it.

They've implemented a level counter. A small change but it's nice to know you've completed a level.

Small introductions to new mechanics. Base game had no tips, more info about new mechanics is always welcome.

Updated score 7/10.
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Original review:

Pros:

Price is on point - For such a simple game I feel they nailed the price point perfectly. If you enjoy challenging platformers, I feel you can get your £0.79 worth.

It's challenging - Not a surprise there! If you're like me and like a quick challenge there's something in here for you.

Simplicity - You're a square avoiding death, it doesn't over complicate things, it knows what it is and sticks to it.

25 levels - 25 doesn't seem like a lot but having spent an hour on just 6 levels I feel there's easily enough content.

Devs listen - They're very open to feedback and have proven to change the game based on said feedback. Fantastic to see!

Cons:

(Fixed as of 27/01/2016) - 1 Music track - Swiftly fails hard on the music front. I would like to say I've heard the whole track however when you die (And you will die a lot) the music instantly stops and starts from the beginning. Within just 9 minutes I hate to mute the game entirely and put on my own music! Extremely frustrating to listen to.

(Improved as of 27/01/2016) - Controls - For the most part the controls are fine, so why is this in the cons section? Wall jumping. Yup. Wall jumping. Wall jumping is the most infuriating part of this game, it's not challenging, it's not fun, it's a wrestle with the controls and it sucks!


Improvements:

(Fixed as of 27/01/2016) - Don't restart music upon death, let that little sucker continue playing! The addition of 2 or 3 more music tracks would be extremely welcome.

(Improved as of 27/01/2016) - Re-work wall jumping! I can't even put down in words how frustrating it is to mash up & left then quickly let go to mash up and right in the hopes it's timed correctly to achieve a wall jump. Make is so your square can stick to the walls for easier jumping or rework the whole wall jumping together!

Achievements don't pop at the end of levels - They only pop once you go back to the menu.

(Implemented as of 27/01/2016) - Add a level notification, I had no idea I had completed 5 levels till I exited to the menu. Once the player has moved to a new level and quick flash of level [number] would be welcomed.

Simple leaderboads - Just to add a tiny bit of competitiveness to the game. Add a simple leaderboard of the top 10 fastest finishes. It's simple and could spur somebody on to beat that No.1 - adding a small amount of replay-ability.


Conlusion:

If you like quick, fun, challening levels I see no reason why you shouldn't pick this up. The game needs improvements there's no doubt about that. However, what we have now is still an enjoyable game despite some flaws. Overall I give Swiftly 6/10.

So I'm going to break this down into categories for easy readin' n reviewin' ------------------------------------------------ Game was updated 27/01/2016. I'm using this space to update my review based on those changes. Original review is down below. They have implemented WASD controls and have now made wall jumping a tad easier. This makes playing the game more comfortable and with the improvements to wall jumping less frustrating. Fixed the music abruptly stopping after death. You can now finally hear the chill music track and I dig it. They've implemented a level counter. A small change but it's nice to know you've completed a level. Small introductions to new mechanics. Base game had no tips, more info about new mechanics is always welcome. Updated score 7/10. ------------------------------------------------ Original review: Pros: Price is on point - For such a simple game I feel they nailed the price point perfectly. If you enjoy challenging platformers, I feel you can get your £0.79 worth. It's challenging - Not a surprise there! If you're like me and like a quick challenge there's something in here for you. Simplicity - You're a square avoiding death, it doesn't over complicate things, it knows what it is and sticks to it. 25 levels - 25 doesn't seem like a lot but having spent an hour on just 6 levels I feel there's easily enough content. Devs listen - They're very open to feedback and have proven to change the game based on said feedback. Fantastic to see! Cons: (Fixed as of 27/01/2016) - 1 Music track - Swiftly fails hard on the music front. I would like to say I've heard the whole track however when you die (And you will die a lot) the music instantly stops and starts from the beginning. Within just 9 minutes I hate to mute the game entirely and put on my own music! Extremely frustrating to listen to. (Improved as of 27/01/2016) - Controls - For the most part the controls are fine, so why is this in the cons section? Wall jumping. Yup. Wall jumping. Wall jumping is the most infuriating part of this game, it's not challenging, it's not fun, it's a wrestle with the controls and it sucks! Improvements: (Fixed as of 27/01/2016) - Don't restart music upon death, let that little sucker continue playing! The addition of 2 or 3 more music tracks would be extremely welcome. (Improved as of 27/01/2016) - Re-work wall jumping! I can't even put down in words how frustrating it is to mash up & left then quickly let go to mash up and right in the hopes it's timed correctly to achieve a wall jump. Make is so your square can stick to the walls for easier jumping or rework the whole wall jumping together! Achievements don't pop at the end of levels - They only pop once you go back to the menu. (Implemented as of 27/01/2016) - Add a level notification, I had no idea I had completed 5 levels till I exited to the menu. Once the player has moved to a new level and quick flash of level [number] would be welcomed. Simple leaderboads - Just to add a tiny bit of competitiveness to the game. Add a simple leaderboard of the top 10 fastest finishes. It's simple and could spur somebody on to beat that No.1 - adding a small amount of replay-ability. Conlusion: If you like quick, fun, challening levels I see no reason why you shouldn't pick this up. The game needs improvements there's no doubt about that. However, what we have now is still an enjoyable game despite some flaws. Overall I give Swiftly 6/10.