December 2005
- 30th The Cupboard of Doom - Half-Life
- 4th Evil Space - Half-Life
- 4th Combine Destiny - Half-Life 2
November 2005
- 17th Headcrab Revenge - Half-Life
- 17th The Hangar - Half-Life 2
October 2005
- 31st Padle Mesto - Half-Life
- 30th Time Travel Gameplay Idea
- 30th Weapon Replacement for SIC1 - Half-Life
- 30th RB- HL - Half-Life
- 30th Terrorist Attack - Half-Life
- 30th Worst Holiday - Half-Life
- 29th Fallout Area 21 - Half-Life 2
- 27th Save Alyx - Half-Life 2
- 25th Anaphora: The Awakening - Half-Life
- 22nd Windmill - Half-Life
- 20th Zombieville - Half-Life 2
- 20th XM1 - Half-Life 2
- 19th Black Ops - Half-Life
- 16th Valve, Steam and its Pricing Model
- 16th Insurgence Part 1 - Half-Life 2
- 6th Destiny - Half-Life
- 6th My - Half-Life
- 6th The Aztec’s Bane - Half-Life
- 6th Hour Glass - Half-Life
- 5th Sublimation - Half-Life 2
- 4th Clean Up - Half-Life 2
- 3rd The Playtest - Half-Life
- 2nd EIF Coloseum - Half-Life
- 2nd Static Warehouse - Half-Life 2
- 2nd Friendship - Half-Life
- 1st Checking Out - Half-Life 2
- 1st Basement - Half-Life 2
- 1st Retaliation - Half-Life 2
- 1st Car Park - Half-Life 2
September 2005
- 29th The Wizard - Half-Life 2
- 24th Dressed to Kill - Half-Life
- 23rd Survive in Catacombs 2 - Half-Life
- 23rd Survive in Catacombs 1 - Half-Life
- 18th Alter Research Complex - Half-Life 2
- 18th Tech Demo 2 - Half-Life 2
- 18th Cramped - Half-Life 2
- 18th Assault On A Strider Base - Half-Life 2
- 15th Black Mesa Storage Facility – Bay A2 - Half-Life
- 13th Shortcut - Half-Life
- 13th They Are Back - Half-Life
- 13th The Conspiracy in Shadow 2 - Half-Life
- 11th U Life - Half-Life
- 10th Test Your Skill - Half-Life
- 8th The House 2: Hypnose - Half-Life 2
- 7th X-treme Violence - Half-Life
- 7th War Crimes - Half-Life
- 7th Unbreakable - Half-Life
- 7th Quilted Thought Organ - Half-Life
- 7th EIF School - Half-Life
- 7th Graf War - Half-Life
- 7th They Hunger: Route666 Demo - Half-Life
- 7th Falling Water - Half-Life 2
- 6th Distinct Reality - Half-Life
- 4th Rebellion - Half-Life
- 4th Survivor - Half-Life
- 4th Force of Evil - Half-Life
- 4th Resident Evil: Cold Blood - Half-Life
- 1st Riot in Progress - Half-Life
- 1st Real Retro Modding!
August 2005
- 31st Issues - Half-Life
- 30th Voice Acting for the Masses
- 28th Chemical Existence - Half-Life
- 27th Red Alert - Half-Life
- 27th Doki Doki Panic - Half-Life 2
- 23rd Times Of Troubles - Half-Life
- 22nd Assaulters - Half-Life 2
- 15th AMES Research Center – Real Theme
- 15th Guilty or Innocent?
- 14th The Andromeda Strain – Sci-Fi Theme
- 13th Modding the Half-Life 2 Scanners
July 2005
- 27th Alien (B) - Half-Life 2
- 25th Alien Blast - Half-Life
- 24th Torture that Alien - Half-Life
- 24th Zombie Onslaught - Half-Life 2
- 20th Day 13 - Half-Life 2
- 19th Freshman - Half-Life 2
- 18th Live to Fight Another Day - Half-Life 2
- 18th CERN Research Laboratory – Real Theme
- 14th All Your Base Are Belong To Us - Half-Life 2
- 10th Time Shock - Half-Life 2
June 2005
- 26th Metropolitan Area Outer Underground Discharge Channel – Real Theme
- 19th Combine Assault - Half-Life 2
- 10th Dead Sector: Source - Half-Life 2
- 7th Night at the Office - Half-Life
- 6th Fortune - Half-Life 2
- 3rd Garrison - Half-Life 2
May 2005
- 27th Resistance Outpost 712 - Half-Life 2
- 18th Two hands, two mice, two weapons and two crosshairs
- 10th The Hidden Lab - Half-Life 2
- 5th Super Definition Azure Sheep - Half-Life
- 3rd 5 Ways to Die - Half-Life
- 2nd Under Siege - Half-Life 2
- 1st Fallout - Half-Life 2
- 1st Dead Sector - Half-Life
April 2005
- 27th A Unique SP MP Gameplay Mode
- 20th Man Hackers - Half-Life 2
- 20th Petrr1 - Half-Life 2
- 18th SP- Hotel - Half-Life 2
- 12th Land Of Death - Half-Life 2
- 9th Xworld - Half-Life 2
- 7th Gravity Gun Ideas
- 3rd Boathouse - Half-Life 2
March 2005
- 30th Apartment PTK - Half-Life 2
- 30th Leon’s Mappack 1 - Half-Life 2
- 30th Reflective Doppelganger – Mod Story Idea
- 29th Combine Stream-Zombie - Half-Life 2
- 29th From Intro to Gameplay
- 25th Location, Location, Location
- 24th Caricatures
- 24th Competitions
- 19th Dawn - Half-Life 2
- 11th Hardman in the City - Half-Life
- 6th Alien Host
- 5th Day Hard Part 3 - Half-Life 2
- 4th Surgery Game Idea
February 2005
- 10th I Want A Universe
January 2005
- 31st Seeing in the Dark
- 30th Seeing Without Vision
- 30th More Interesting Puzzles Please
- 29th Can I Skip the Boring Driving Parts?
- 28th Vortigaunt Revolution - Half-Life 2
- 28th Renegade X: The Dead 6 - Half-Life 2
- 27th Replayability and Difficulty Settings
- 26th TG- H Physics SP - Half-Life 2
- 25th ThAtSgOtTa- HuRt’s Physics - Half-Life 2
- 24th The Voice – Mod Story Idea
- 21st The Rock - Half-Life 2
- 17th Ruined Nation - Half-Life 2
- 16th The Island - Half-Life 2
- 15th Game and Story Writing
- 14th Trust
- 13th Plague (- Hammer Test) - Half-Life 2
- 13th The Bunker - Half-Life 2
- 9th Stig’s Fun 2 - Half-Life 2
- 9th Wine Tasting Game
- 8th Mother Nature and Evolution
- 1st Combine Onslaught - Half-Life 2
- 1st Combine Siege - Half-Life 2
- 1st CR Garagewars - Half-Life 2
- 1st Day Hard Part 1 - Half-Life 2
- 1st Day Hard Part 2 - Half-Life 2
- 1st Deathmap - Half-Life 2
- 1st EFE Lockdown - Half-Life 2
- 1st Engage The Combine - Half-Life 2
- 1st h0rr0rh0u53 - Half-Life 2
- 1st Head Sickness - Half-Life 2
- 1st HL2 Fall - Half-Life 2
- 1st HL2 Fall B - Half-Life 2
- 1st Kill Them All - Half-Life 2
- 1st Mog – Hovercraft Beta 1 - Half-Life 2