FAQ

NB! Pidro Challenge 2.2/2.3 and Windows Vista Version 2.2/2.3 does not run on Windows Vista. There is, however, a workaround. Copy cards.dll from a Windows XP to the \WINDOWS\system32 directory. Then the program will run.

Release History
Version 1.0 was released in January 2005. It was only distributed locally. Version 2.0. First global release 11.2.2006 Version 2.1. Correction release 1.5.2006 Version 2.2. Update 4.11.2006 Version 2.3. Update 1.9.2007 Version 2.3.1 Update 6.6.2008
What has changed from 2.0 to 2.1, How to upgrade.
The new release 2.1 is functionally the same as 2.0. The installation mechanism has been streamlined to enable easier patching and upgrading of the artificial intelligence. In addition, interaction problems with the registry and some undisclosed bugs were fixed. When you upgrade from 2.0 to 2.1 you will have to run the installation sequence twice - once for uninstalling and the second time for installing the new version. In future upgrades from 2.1 this will not be needed anymore.
What is new in 2.2
The release 2.2 has a new in-game help feature and improved artificial intelligence. The new version is a treat for those who want to explore the intricacy of the game. In addition, the user interface has been slightly modified for better clarity and playability. The help function can be turned on/off with the "?" button next to your cards.
What is new in 2.3
The release 2.3 has further improved the in-game help feature and added text based help suited to the context. The artificial intelligence has again been improved both in bidding and playing.
What is new in 2.3.1
The release 2.3.1 is an update of the artificial intelligence only