- Network priority for projectiles is now boosted dynamically for each player's connection so that he gets those projectiles that are more important to him first (those fired by him, or at him).
- Optimized render target switching to improve performance on multi-GPU setups.
- Optimized screen clearing for SLI setups. Can be tuned by new cvar 'gfx_iClearBeforeRendering'.
- Fixed problem with too much shadow buffer clears when using muti-threaded rendering on multi-GPU setups.
- Fixed problems and crashes with several renderables in multithreaded rendering. (Note that this still an experimental feature!)
- Optimized memory usage for several multiplayer characters in team modes, by reusing same texture for red and blue, with dynamic colorizing in shader.
- View bobbing option now also affects weapon bobbing and weapon swaying.
- Fixed auto aiming (used by gamepads) on Warship enemy, so it aims for the right spot, not the center of the ship.
- Added yet another controller preset.
- Added some new swim and dive animations for the player (so user-made maps can use deep water).
- Controller crouch command no longer displays player list.
- Fixed controller being unable to skip intro cutscene.
- Errors related to microphone settings are now classified as "log", as they are not actually a problem.
- Optimized lightning particle effect implementation. On average, memory consumption is reduced by 50%, and performance is increased by 30%.
- Limited maximum subdivisions on lightning particles to ensure the do not exceed reasonable time and memory boundaries.
- Fixed potential crash after canceling a server list query.
- Added Russian localization for Santa Sammy.
- Fixed game freezing on entering menus via right arrow keyboard key.
- Updated in-game and in-editor console line editor to support unicode strings.
- Updated slider to fade out its value when widget is not on the active menu.
- Fixed graphics options defaults not resetting FOV value to default.
- Aiming hint for Devastator will not be shown if the user doesn't own the Devastator scope DLC.
- Fixed a possible crash occurring in a rare situation of player picking up a scaffolding pole while some client is connecting.
- Fixed an issue with wrong weapon shooting placement on hands weapons if they are used after "getting up from the floor" player animation.
- Fixed an issue causing Mutilator to sometimes fail to work on client if it's not rendered on server.
- Console font is now an OpenType font (DejaVu Mono), instead of a fixed bitmap, thus it supports a wide range of non-ascii characters and different scaling.
- Added console font scale cvar.
- Disabled cheat menu access during level loading.
- Fixed Khnum sliding after melee.
- Fixed endless loop at game start under OpenGL; waiting for all shaders to be pretouched (which never happens in OpenGL).

- Voice chat now works again. It stopped working after Steam codec was changed from Speex to Silk, due to different traffic requirements and packet sizes.
- Increased max client inbound bps default to 12000 and max client outbound bps to 10000 (needed for increased voice traffic).
- Added barriers on Fortress level to close windows from which player could fall out of level.
- Prevented falling through floor that was possible by jump-crouching at low framerates.
- Fixed crash when Ugh Zan appears in network.
- Prevented super-fast Laser firing when quickly pressing/releasing the fire button.
- Player models now have ragdolls (e.g. when killed in versus).
- Added blood sound to player's destruction so it is heard when player is gibbed.
- Grenade launcher item model now uses the same scheme (sound, particles) as all other weapons.
- New Versus map: ShottyTrouble. It is same as LittleTrouble but with double shotgun's only
- Prevented scripts starting during warmup, which caused sniper never to spawn on Jump Over versus map.
- Sniper weapon hint will not be shown in versus.
- Player will always be able to pick up health and armor in Versus modes.
- Fixed problem with sounds repeatedly played from trigger heard only once on client.
- "Match is tied" announcement was never played.
- Item disabling game options now work in deathmatch games.
- Sniper mask didn't get rendered if weapon rendering is disabled.
- View bobbing option now also affects weapon bobbing.
- Serious damage item will be hidden during the first 120 seconds of the game.
- Sniper now deals 80 damage without scope and 160 damage with scope in deathmatch games.
- Grenade launcher now deals 100 damage on direct hit (40 direct + 60 range) in deathmatch.
- Added safeguard to re-award previously earned achievements, in case Steam didn't register them.
- Fixed bug in life awarding on score: if you reached exactly the same score as the life awarding milestone, then you would never receive score for that milestone.
- Picking up armor which is not needed (happens in deathmatch) should not decrease current armor.
- Added timeout to server list queries, since they sometimes take a very long time.
- Fixed voice options not properly being set from cvars when starting.
- Fixed the chat console cursor which incrementally floated away from the text with each successive text line.
- Fixed the chat console input string corruption that happens when the last character is cut because it contains more bytes then it fits the string buffer maximum size.
- Updated string wrapper in the chat console to work with unicode strings.
- Fixed potential crash when canceling matchmaking queries.

- Added Santa Sam and Santa Sammy models.
- Split screen game was erroneously requiring user to be online. Fixed.
- Split screen users (other than the first one) couldn't configure gamepad settings. Fixed.
- Set up dpad icons for star shaped weapon list.
- FOV slider now shows its value.
- Moved FOV menu slider to graphics options.
- Changed FOV lower bound from 75 to 60 degrees.
- FOV override now works in versus games.
- Fixed "pause" text being visible on client when game starts.
- Fixed single player loading screen sometimes being shown instead of multiplayer one when loading in multiplayer.
- Fixed an issue which prevented showing of message when a secret is found.
- Added safety to fix cases when achievements are sometimes not registered by Steam (probably if connection fails temporarily while playing). They will be stored internally and re-awarded later.
- Changed sort order of achievements in achievement menu (so related achievements are listed together). Also, unlocked achievements come before the still locked ones.
- It is now synchronized whether server is still loading so it is not allowed for (vote) force game start during that time.
- If server was still loading and one of the clients finished loading, that client would start the game although server was not ready. Fixed by switching status to "Waiting for players to load" if server is loading.
- Added safeguard against loading screen exiting before game is fully synchronized to the client.
- Fixed falling through floor if crouching while jumping on extremely low frame rates.
- Fixed player's corpse respawning at chapter after being eaten by sandwhale in Team Survival mode.
- Made player details menu title use a font which is not in uppercase, so player's name is shown in its original form.
- Fixed aux buttons in loading screen sometimes not working during multiplayer loading.
- Fixed looping fire animation remaining on player's third person model even after weapon runs out of ammo and is replaced.
- Fixed problem with player exiting the loading screen if trying to initiate a vote while another vote is already in progress.
- Reduced number of current render-target changes when rendering shadow's cascade or faces.
- Optimized collection of depth prepass, fast-lights and shadows commands.
- Fixed double creation of ingame menu when invoked via F10 from loading screen.
- Loading screen now uses a checkbox character for readyness toggle button text (should be more intuitive than "set ready"/"set not ready" texts).
- Fixed some string formatting error in Chinese locale table.
- Disabled ingame menu invocation from the loading screen if the menu button is not visible.
- Adjusted image frame in session info menu according to its image aspect ratio.
- Fixed an issue which would cause scaffolding pole to sometimes remain locked in player's hand if it is used in combination with melees.
- Fixed preview menu popup that happens when closing multichoice or string input menu.
- Fixed menu transparency issues visible in low framerate.

- Added Show Hints option in Game Options menu.
- Fixed reload animation sometimes being stuck when playing in 3rd person.
- Enemies that somehow manage to fall into void are now killed automatically, so fight scripting doesn't get stuck. (This is a general safety fix for all levels.)
- Added safeties to make sure Biomech boss on Broken Wings always starts, even if not all enemies are killed before.
- Zooming on weapons with a scope (Devastator, Sniper) is now disabled while player is sprinting.
- Fixed some rare problems when attempting to change weapons while doing melee or throwing a melee trophy.
- Old School Achievement now shows which levels it is fulfilled for. This is visible in checkbox form in achievements menu.
- Fixed text stretching on targeted player name in split screen mode.
- Fixed FOV cvar not being saved
- Fixed wrong subtitles on Khnum Boss fight in Unearthing The Sun.
- Serious Sam Classic Gold is now much more golden.
- Added Game Time Display and FOV Override to Advanced Options menu.
- Added localizations for some strings that were still untranslated.
- Voting now works during loading.
- Implemented vote to force game start (can be used when there are players which have loaded the current level and at least one is ready if using in-menu warmup).

- Fixed older saves not being loadable after the first update. This version should be able to load saves from any of previous two versions.
- Fixed some rare cases where player disconnecting at a very particular moment would make some parts of gameplay scripts to break (usually not spawning some enemies or similar).
- When several players are standing in front of ammo crate and one of them opens the crate, ammo will be awarded to all of them, not only to the one who opened it.
- Fixed cases when player disconnecting while standing on an item could crash the server.
- Fixed scripted flashlights (e.g. Spooky Secrets) not working on client.
- Player carrying a flag in CTF cannot sprint now.
- Fixed a crash that could happen at random when Technopolip was killed.
- Fixed a problem where sometimes all Gnaar melees in the game were long melees, instead of quick ones.
- Fixed "Old School" achievement flagged as failing if pressing the reload binding even if the reload didn't actually happen. It will now fail only if the reload was actually performed.
- Prevented crash that happened if Cheat menu was accessed during level loading.
- Fixed quick weapon swap sometimes remembering the wrong weapon.

- Fixed data missing from some formatted texts in German language
- Fixed Moddable (unrestricted) version of the game not launching if autoexec.cfg is present.
- Fixed player sometimes getting into state with no weapons when respawning in Versus, or crossing levels.

Serious Sam is like a gift that keeps on giving. Devolver Digital and Croteam has released a free Fusion Downloadable Content Pack to owners who have both Serious Sam HD: The First Encounter and Serious Sam HD: The Second Encounter. Customers who purchase Serious Sam HD series for the first time will also receive the free update!

The Serious Sam HD Fusion DLC Pack combines all the campaign and multiplayer levels from Serious Sam HD: The First Encounter into Serious Sam HD: The Second Encounter for the ultimate in classic first-person shooter mayhem. For the first time ever, players will enjoy new modes like Beast Hunt and My Burden using the classic maps from Serious Sam HD: The First Encounter!

Updates to Serious Sam HD: The Second Encounter have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

• Fixed fatal errors that happened if one player had a custom multiplayer character that others didn't have. Now the others just see him as Sam.
  
• Dedicated servers can now be installed and updated using HLDSUpdateTool.
  
• Editor: Fixed problems with GUI that happened when primary monitor was not the leftmost one.
  
• Editor: Users can now create new documents of most types that were accidentally hidden previously.
  
• Editor: Documents provided in CreateNewDocument dialog are now alphabetically sorted.
  
• Editor: SeriousEditor allows modifications (and "Save As") of all official files, except world files.
  
• Editor: Displacement map texture couldn't be applied in terrain primitive tool when creating new geometry. Fixed.
  
• Fully working support for DLC levels.
  

Updates to Serious Sam HD: The Second Encounter have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

• Serious Editor (beta version) is now available for installation from the Steam's "Tools" tab.
  
• The game can now be started in the new "moddable" mode. It allows custom user-generated content (maps, player models, sound packs, etc), to be loaded.
  
• Fixed some possible exploits on the Green Field survival level.
  
• Fixed boosting of network priorities for enemies that the player is aiming at.
  
• Recently aimed entities are no longer processed for player which plays on the server.
  

Updates to Serious Sam HD: The Second Encounter have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

• Enlarged the gap between the team panels in game overlay menu to make space for the center scrollbar that pops up when there are more players than it fits inside the leftmost panel.
  
• Fixed the scrollbars in game overlay menu glitching in some cases.
  
• Fixed the "Mismatched Version" error report that happened with renamed demo files.