Valve Software is planning to show off Half-Life 2: Episode Two along with bonus add-ons Team Fortress 2 and Portal at the Leipzig Games Convention.
"We're all working around the clock," the company said on Friday.
Up to now, Episode Two, Team Fortress 2 and Portal have only been shown in private press demonstrations, meaning that for once the general public will get to see them at pretty much the same time the press corps does.
Games Convention, which runs between August 24th and 27th, will also play host to what many expect to be a new Metal Gear Solid 4: Guns of the Patriots trailer, the Xbox 360 version of Pro Evolution Soccer (both Konami) and playable versions of Test Drive Unlimited and Neverwinter Nights 2 (both Atari).
Valve hopes to release Half-Life 2: Episode Two for PC, PlayStation 3 and Xbox 360 before the end of the year. All three versions will include TF2 and Portal, while the console versions will also feature the original Half-Life 2 and Episode One as part of the package.