PLAY VIPER
Your next adventure
starts here.
Download the official Viper client for Windows. Extract the ZIP into a new folder, then run Viper.exe.
Try the new OTCv8 client
Our new Windows client is available as an optional pilot. Play with your existing Viper account and characters. The current client remains available while we gather feedback.
Download Viper OTCv8 for Windows · Pilot
Extract it into a separate folder, run Viper.exe, and let any updates finish before signing in. Keep your current client installed so you can switch back if needed.
If something does not work as expected, report it to Viper staff with a screenshot and your Viper.log.
01 Download the ZIP.
02 Extract it into a new folder.
03 Run Viper.exe and sign in.
SHA-2568eae1faa64a7a8fff3081e04cfc28273924f935c0a75e1a9b49beab6059dc9cb
519,408,165 bytes
Windows may warn that the publisher is not yet recognised. Only use the download from viperonline.net and compare the SHA-256 above if you want to verify it.