Fortress Build

by Calus CoRPS
Isometric sandbox building game, where the player creates and destroys various blocks. [More]
To download this game for your Linux/Mac installation, enter this on your command line:

DreamDownload byond://CalusCoRPS.FortressBuild##version=4

Emulator users, in the BYOND pager go to File | Open Location and enter this URL:


Version v5
Date added: Jan 15 2010
Last updated: Jun 30 2013
Last played: May 14 2016
89 fans

Waiting List

Only Windows users can play this game. If you have an emulator, you can join the waiting list to be informed when a new server is ready to play.

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Fortress Build is an isometric sandbox building game, where the player creates and destroys various types of blocks in order to build a structure. Play alone and set your goal to construct a mind boggling structure. Or you may decide you need help, and recruit your friends.

* Updates from 06/28/2013 and onward have been made by PopLava


Mordasius: (Jun 30 2013, 9:54 am)
I thoroughly enjoy goofing around in this game. Way to go, Calus & PopLava!
Wer6: (Nov 20 2011, 7:21 am)
very minecrafty i like it
Jmurph: (Nov 1 2011, 4:07 am)
Interesting start. Not really a game per se yet, but looks promising.
Brettpenzer: (Oct 30 2011, 1:47 pm)
I like this game, pretty cool idea.

it's abit like minecraft but has camera issue that is all.
make the world alot bigger because it's abit shit when you can see cliff or make the world generate smoother edges.

if you are going for a total minecraft rip. add weather, day and night, lighting effects, smoother generation, enemies(creepers), more blocks and Commands!
Calus CoRPS: (Jul 26 2011, 12:34 pm)
Noobpwner13 wrote:
I would suggest adding something that let's you change the camera angle.

You can do so with the Q and E keys.

Perhaps a view from behind the player. Forgive me if this is very hard to do, I know nothing about coding except that it has a lot of brackets. :S

Luckily, BYOND provides a ton of built-in features! client.dir allows the camera to rotate.