A Very Simple Captcha

The "A Very Simple Captcha" is actually a collection of multiple CAPTCHA mechanisms which can be activated for the comment form from a special page in the WP backend.

Webmasters have the option of selecting the type of CAPTCHA system they want on their site, with various levels of complexity, based on the ratio of spam/users the site is getting.

Installation:

Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.

Features:

• Sort numbers in increasing order
• Sort numbers in decreasing order
• Enter alphabet characters in the precise order
• Select the proper option from a dropdown combo box
• Enter the biggest or the smallest number from the CAPTCHA field

What is new in this release:

• Updated to 3.8.1.

What is new in version 2.3:

• Selecting Am Not Spammer using check box.

What is new in version 2.2:

• Now user can choose random option to display all logical captcha in random manner.

What is new in version 1.4:

• Random alphabets, font styles added.

Requirements:

• WordPress 3 or higher