A downloadable Source Engine Map

Map made for the one hour game jam. In Source Engine - in one hour.

The theme was "floating islands".

Install instructions

Here's how you play the level

TL;DR: It's a Half-Life 2 Map.

Too short; Didn't understand:

I own Half-Life 2

  • Make sure you have Half-Life 2 installed
  • Move the astray.bsp-file into: Steam\steamapps\common\Half-Life 2\hl2\maps
  • In your Steam library, under properties, set the launch option: -console
  • Start Half-Life 2
  • Enter map astray into the console

I don't

  • make sure you own any other Source Game (otherwise, sorry 😥)
  • In your Steam library, under tools, install Source SDK base 2013 Singleplayer
  • Right click on it.
  • Under properties, set its beta to upcoming
  • Under properties, set the launch option: -console
  • Move the astray.bsp-file into: Steam\steamapps\common\Source SDK Base 2013 Singleplayer\hl2\maps
  • Start the Source SDK
  • Enter map astray into the console


astray.bsp 1 MB


Log in with itch.io to leave a comment.

This is really cool, I hadn't seen anyone do this for OHGJ till recently and it's a great idea to use a map editor to make your own experience.
I used to have a blast days on end in starcraft's.