Last updated: March 2026
By accessing and using ScritchyCalc, you accept and agree to be bound by the terms and provision of this agreement. If you do not agree to abide by the above, please do not use this service.
ScritchyCalc is an unofficial fan and community utility site. We are not affiliated, associated, authorized, endorsed by, or in any way officially connected with Funday Games, Valve Corporation, or any of their subsidiaries or affiliates. The official Scritchy Scratchy game can be found on the Steam platform.
The tools provided on this site, including but not limited to the "Final Chance Odds Estimator" and the "Web Simulator," are for entertainment and community discussion purposes only. The mathematical models are based on community heuristics and do not reflect the official source code. We do not guarantee the accuracy of these calculators and are not responsible for any in-game losses or progress wipes resulting from their use.
You agree to use the site only for lawful purposes. You agree not to take any action that might compromise the security of the site, render the site inaccessible to others, or otherwise cause damage to the site or the content.
We reserve the right to modify these terms at any time. Your continued use of the site following any such modification constitutes your agreement to follow and be bound by the modified terms.