1.3b5 Changelog

  • Map updates:

    • si_bavaria: Made labs a bit easier to defend, improved the conveyer belts, lots of improvements to FPS
    • si_hrim: A very good new map by grome!
    • si_late: A different take on si_early, with changes to make gameplay faster and more interesting
  • Radios are brighter

  • EMP has a kill icon

  • LCS: dead players are shown with colorized names, instead of dead

  • Healthkits give 25 hp and Armor Batteries 25 armor

  • Mindray no longer reveals enemy research

  • Revised weapon switching:

    • If you hold +attack or +attack2 while selecting a weapon, you must release it before you can fire again
  • Fixed Superjump “head sliding”

  • Fixed Tau Cannon ‘wall bleeding’ on nukes

  • Tau Cannon can no longer shoot the sky

  • Disabled Ocular Implants.

  • Zoom is available by default, and there are no ranged damage upgrades.

  • Removed the saytext sound.

  • GI Destabilizer secondary fire pushes from lower

  • GI Destabilizer has instant deployment

  • Removed cl_effects_fev_cloud_density

  • Made consistency checking more strict: always checks all player and projectile models

  • Reduced FEV adrenaline time to 6 seconds

  • New cvars for weapon switching:

    • cl_altweapon_backup: set to 1 so you can equip an alt weapon without pushing +altweapon
    • cl_altweapon_cycling: set to 1 to enable cycling between a weapon and its alt without pushing +altweapon

Steam Group

Click here to visit the SI Steam Group.

Feel free to post on the forum about how much you love the game, or find out when the next pickup game will be played!

In the pickup games, we use Mumble for voice communication.


Click here to download SI.

SI is a Half-Life mod. You need Half-Life installed to play it.

Extract the archive to your Half-Life directory in Steam.

When the mod is installed, your folder structure should look like this:

├── htmlcache
├── platform
├── si
├── valve
├── valve_hd

NEW Test Maps for 19 June 2016 here (Extract to your si/ directory)


Here are some links to cool streams and videos of SI: