![](http://alteredtree.co.uk/wp-content/uploads/2015/04/OrbitalIonCannon1a1-300x225.png)
The Orbital Ion Cannon. Able to fire tightly-collimated proton beams at any point on the Earth’s surface. Perfect for all your giant-death-ray-related needs! Or at …
Orbital Ion Cannon versus Conservation Of Charge
![](http://alteredtree.co.uk/wp-content/uploads/2015/03/SonarPong21-300x225.png)
An old game – with a slightly more literal twist. You are a submarine, at the bottom of an ocean trench. With you are some …
Sonar Pong
![](http://alteredtree.co.uk/wp-content/uploads/2014/12/CrownOf_431-300x225.png)
A simultaneous-turn-based stealth game. Your task is to steal the Crown from the keep of the castle, then escape to the dark green grass. Click …
The Crown Of The Rectangles
![](http://alteredtree.co.uk/wp-content/uploads/2014/08/CrowdedStreet_11-300x225.png)
At the bottom of the screen, you’ll see two people, that probably don’t know each other at all. Your aim is to find a chain …
Crowded Street
![](http://alteredtree.co.uk/wp-content/uploads/2014/07/morehexagons_31-300x225.png)
Build a hive out of hexagonal tiles. Pieces with too few connections will decay over time. Red pieces are “explosives” – they will destroy nearby …
More Hexagons
![](http://alteredtree.co.uk/wp-content/uploads/2014/05/symmetricascent11-300x225.png)
The screen is divided into two mirrored halves. Dodge the triangles that descend from the top of the screen. Use the arrow keys or WASD …
Symmetric Ascent
![](http://alteredtree.co.uk/wp-content/uploads/2014/04/PlanetBuilder11-300x225.png)
A planetary engineering game. Your job is to create different types of planet – desert, icy, earthlike etc – for different people. What components you …
Planet Builder
![](http://alteredtree.co.uk/wp-content/uploads/2014/03/cityInConflict31-300x225.png)
A cyberpunk strategy game. You are a corporation trying to expand your control over the city. If two buildings are next to one another, over …
City In Conflict
![](http://alteredtree.co.uk/wp-content/uploads/2013/12/vegacore11-300x225.png)
This game (apart from the music and sound effects) was written in six hours, on a netbook, on the train to and from a friend’s …