Vipers is distributed as shareware. You are entitled to use this software for a month for evaluation purposes. If you want to continue to use this software, or you want to use Vipers commercially, you should register it.
You may give copies of the unregistered shareware version of this software to other people as long as no file is changed and no file is omitted.
If you are a registered user, you must not give away your personal registration code.
Doing so will result in an infringement of copyright, and may subject you
to legal prosecution and personal liability.
The site that handled registration and payments no longer exists. The information below is left as a reminder... but do contact us if you are a fan of this game ;)
As a registered user, you will receive your personal registration code and
many features will be enabled.
The registration is valid for all Vipers of version 2.x.
Standard version license costs U.S. $5.95, Full version costs U.S. $9.95.
Vipers licenses are sold by the Kagi store.
Click here to order Vipers license (click here for an insecure form).
You can also read instructions on how to fill in the order form, and about all available forms of payment.