SI 1.4b14 has been released! This version is focused on big changes to the very basics of the game! See below..
Click here to download the installer.
(Or click here if the installer gives you trouble)
Here is the list of changes:
Scientist carry mechanics changed Players can pick up and carry their own team’s downed scientists Scientists get up after 20 seconds of downed time (does not reset when they are carried again) Minimum wakeup time of 5 seconds when a scientist is re-dropped Thrown scientists do not inherit player speed (same as grenades) Dropped scientists no longer fit in small gaps All Process techs removed Player spawn time can be adjusted with the svar playerspawntime (default 4 seconds) Scientist spawn time can be adjusted with the svar scispawntime (default 20 seconds) Map updates!
SI 1.4b13 has been released! This version is focused on balance changes, crash fixes and map updates.
Click here to download the installer.
(Or click here if the installer gives you trouble)
Here is the list of changes:
Crossbow damage reduced to 124 Tau Cannon Can now hold charge forever without self-damage Hits from the main beam now deal damage in an area (instead of direct damage) Radius and damage are 160 at max charge Secondary splash areas (nuking walls etc) are still half the radius and damage of the main shot tau_alt 0 to disable this (1 default) Various fixes for crashes caused by FEV and Rocket Pistol Map updates!
SI 1.4b12 has been released! This version is focused on balance changes and map updates. Next patch will take us into 1.5 and probably add some experimental new stuff!
Click here to download the installer.
(Or click here if the installer gives you trouble)
Here is the list of changes:
Radios New secondary fire: Alarms Plants a silent radio When enemies walk nearby, the alarm goes off once (and disturbs nearby scientists) alarm_radius svar to tweak this (default 128 units) Weapon balance changes Pistol does 50 damage Shotgun reverted to single barrel primary fire, double barrel secondary fire Tommygun shoots 7 times per second, 20 damage per hit Headshots removed from all weapons (they do normal damage now) Crossbow does 125 damage Removed lots of testing svars (anything ending in alt, dmg etc) Rocket Pistol Rockets now explode when damaged (like grenades) Map updates!
SI 1.4b11 has been released! This version is mainly about testing balance changes for the next version.
Click here to download the installer.
(Or click here if the installer gives you trouble)
Here is the list of changes:
Map updates! si_covfefe Smaller scale, new visual style, more props The ‘short distance’ lab exit (dropdown to lower mid area) is now a tunnel to the upper mid area near spawn si_bavaria Adjusted the middle clocktower Lobby trellis replaced with ladders Jump pad replaced with an elevator Transparent trellis on the entrances to labs si_mill Symmetric spawns (and facing the same direction) Mid is now symmetric Added a crate in mid to break line of sight to lower tunnel Removed some details that were easy to get stuck in and made most lights passthrough si_caldera Added some crates at admin to make it possible to jump down Added a bit more space at the grate teleporter area and a new teleporter that takes you to the top of labs Removed lava pillars, room still the same otherwise Some more details/texture fixes lcs1 Changed MCL crate color from red to blue Removed some details that you could get stuck in Flesh Eating Virus: new fev_dart svar Set to 1 (default), makes secondary attack throw a Virus B vial that flies straight (like a rocket) Set to 2 makes secondary attack fire a hitscan FEV shot (instant, only hits 1 enemy) Fixed lava burning players after they respawn Fixed EMP sounds not playing locally Removed cl_tutorial and the associated tooltips Armor Regen revised: regenerates at a constant speed (1 armor every 0.
SI 1.4b10 has been released! Click here to download the installer.
(Or click here if the installer gives you trouble)
Here is the list of changes:
Fixed loaded ammo suddenly dropping with Crossbow Fixed GI Destabilizer resetting scientist downed wake-up times
SI 1.4b9 has been released! Click here to download the installer.
(Or click here if the installer gives you trouble)
This patch continues where 1.4b8 left off, improving hit registration and game balance.
Here is the list of changes:
Player hitboxes are now based on a cylinder shape (like a toothpaste tube or cocktail shaker) Makes all the hitscan weapons more consistent and it doesn’t count as cheating since it’s just the way the game is!
SI 1.4b8 has been released! Click here to download the installer.
(Or click here if the installer gives you trouble)
This patch is a stepping stone toward another patch with important hit registration changes.
Here is the list of changes:
Animation changes to help hit registration hitreg_alt 2 can be used to disable player shoot and reload animations Lots of experimental movement changes to help game balance Legs Implant mkII raises the speed cap but does not remove it Superjump is speed capped like grounded jumping Tau and EMP jumping are reduced while carrying a scientist Air acceleration is reduced while carrying a scientist hud_speedometer changes to help testing Now shows the 3D (x,y,z) speed and the individual x, y, z components Crossbow dmg_bow svar added to adjust damage (default 125) Radios Made radios easier to destroy when they’re near other objects Teleport Kit Primary fire: fuse removed (grenades sit until you detonate them) Increased ammo regen rate Grenades now detonate on player death Flesh Eating Virus fev_alt svar added: controls the radius of infection spreading between players Heavy Armor heavy_alt svar for adjusting the knockback reduction Default is 1.
SI 1.4b7 has been released! Click here to download the installer.
(Or click here if the installer gives you trouble)
Here is the list of changes:
New map si_caldera by grome Crossbow bow_alt svar added When set, crossbow creates a Gravity Vortex on hit This drags players back toward where they were hit Tuning svars for this: grav_range radius of the vortex (default 48 units) grav_time how long the vortex lasts (default 0.
SI 1.4b6 has been released! Click here to download the installer.
(Or click here if the installer gives you trouble)
Here is the list of changes:
Tommygun Fire rate reduced from 13/second to 9/second Damage increased from 15 to 20 Reload time reduced from 2.1 to 1.2 seconds Magazine size reduced from 50 to 30 Satchels Added a 0.5 second arm time after landing, before they can be detonated Can be destroyed by taking damage from explosions Teleport kit Primary fire: throw a teleport grenade OR detonate your active teleport grenade GI Destabilizer Primary fire: hitbox size reduced from 150 radius to 120 Bug fix: Secondary fire no longer pushes downed scientists through the map Fixed a crash when players take damage from non-players Briefcase Reverted all recent changes Should hit consistently as before Cloning HUD restored on death To show the full-screen map while respawning, use +showmap Map updates si_canyonero: new midfield bridge and entrances si_hrim: scientists now use the short ramp in labs, lab medkit and battery moved to low lab entrance LCS mode: Heavy armor, Radios and Mindray disabled
SI 1.4b5 has been released! Click here to download the installer.
(Or click here if the installer gives you trouble)
Here is the list of changes:
Shotgun spread heavily revised * Primary fire now fires 9 pellets * Secondary fire now fires 17 pellets * Pellets deal 10 damage each (20 on headshot)
New implant: Heavy Armor * Available for research after Armor mk1 * Takes 2 minutes to research * Reduces knockback from damage, taujumps and EMP jumps * Knockback is reduced by (your armor / your max armor)% * For example, if you have 150 out of 200 armor, the next hit does 75% less knockback
SI 1.4b4 has been released! Click here to download the installer.
(Or click here if the installer gives you trouble)
Here is the list of changes:
New server settings to A/B test changes for the next patch: * hitreg_alt toggles between regular hitboxes (0) and static hitboxes that do not animate behind the scenes (1)
Players will still animate, but their hitboxes do not flail all over the place.
SI 1.4b3 has been released! Click here to download the installer.
(Or click here if the installer gives you trouble)
Here is the list of changes:
Ocular Implants * Your scientists now get the implant too! * Fixed graphics glitches, resets on death, flickering on high ping.. * cl_oculars_intensity to adjust the visibility of blips (0 for invisible, 1.0 for fully visible) * Now shows players, scientists, radios, tripmines and satchels (does not show rockets, EMP pulses, nails.
SI 1.4b2 has been released! Click here to download the installer.
(Or click here if the installer gives you trouble)
Here is the list of changes:
EMP Cannon secondary attack is the canister again Lightning gun removed Ocular Implants show markers for a bit more time after vision is lost
SI 1.4 has been released! Click here to download the installer.
(Or click here if the installer gives you trouble)
Here is the list of changes:
Redesigned Ocular Implants
Tier 3 implant: can be researched after exoskeleton, superjump, legs2 or ammo2 is complete Reveals objects your teammates can see that are hidden from your view Does not reveal cloaked enemies Does reveal cloaked teammates Research time is 1 minute Restored the old Satchel firing speed (1 bomb / second)
SI 1.3b8 has been released! Click here to download it.
Here is the list of changes:
Fixed Nailgun bleeding on players
Fixed Tau Cannon bugs
Kickback going in the wrong direction sometimes Shots hitting the firing player sometimes Added svars quadtime and quadrespawn to adjust quad damage resources * quadtime sets how long a picked-up quad lasts (default 20) * quadrespawn sets how long it takes a picked-up quad to respawn (default 60)
SI 1.3b7 has been released. Click here to download it.
Here is the huge list of changes:
Map updates:
si_crucible: A new map full of Quake nostalgia, ideal for small teams. si_late: Lots of revisions! si_hrim: Lowered the middle of the mid-map, the elevators are now toggled by the buttons si_mill: Lots of revisions! Scientists now only spawn on the bottom floor si_vestibule: Lots of revisions! Trim on doorways, opened up the main lobby entrance si_mesa: Added a map overview image and location markers Added the Nailgun * Alternative to Grenades and FEV (tier 2 weapon) * Primary fire shoots nails that bounce with no friction (wide-angle reflections) * Secondary fire shoots nails that bounce with high friction, high gravity (tight-angle reflections) * Nails deal 80 damage * Fires 3 shots per second * Holds 5 shots, reloads in 1.
SI 1.3b6 has been released. Here is the list of changes:
Map updates:
si_late: Lots of revisions! si_hrim: A few small changes! si_mill: Lots of revisions! si_vestibule: A work-in-progress revision of si_alley Research time changes: * Health regen 1 minute * Armor regen 1 minute * Tissue recycling 2 minutes
Scientist knockout and throw changes: * You can only knock out 1 scientist every 10 seconds * You can pick up and throw scientists (+attack2 with the briefcase) as often as you want
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
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!
Click here to download the SI installer.
Or try here if the installer gives you trouble.
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:
Steam/SteamApps/common/Half-Life ├── htmlcache ├── platform ├── si ├── valve ├── valve_hd