Black Circle: A Carol Reed Mystery 2.84 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the software is MDNA Games.
Black Circle: A Carol Reed Mystery is sometimes distributed under different names, such as "Black Circle A Carol Reed Mystery". GPlrLanc.exe or iWinGames.exe are the default file names to indicate this program's installer. The most popular versions of the software are 2.8, 1.8 and 1.0. The software lies within Games, more precisely Adventure. We recommend checking the downloaded files with any free antivirus.
From the developer:
Black Circle: A Carol Reed Mystery is the sixth Carol Reed game. The game is 100% mouse driven and features a classic adventure game interface. If you haven't played an adventure before, don't worry. The Black Circle starts with an interactive tutorial which explains how to play the game. There is absolutely no need to have played any other Carol Reed adventures to fully enjoy Black Circle.
You may want to check out more software, such as Blue Madonna - A Carol Reed Mystery, Nightfall Mysteries: Black Heart Collector's Edition or Mystery of the Ancients: Curse of the Black Water Collector's Edition, which might be similar to Black Circle: A Carol Reed Mystery.