Eventually, the original OpenBullet (often called "OB1") reached its architectural limits. The developer transitioned to OpenBullet 2

OpenBullet.1.2.2.zip

Since the original was archived, several community forks have preserved the 1.2.2 release. These include:

The safest way to get OpenBullet 1.2.2 is to download it directly from the original GitHub project or established forks: Official Legacy Repository : The original source for version 1.2.2 can be found in the OpenBullet Releases on GitHub . Look for the release tagged Alternative Fork