Hidden Office Achievements Here is the full list of all 31 Hidden Office achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply Janese Bobtail 1Janese Bobtail 1 Janese Bobtail 2Janese Bobtail 2 Janese Bobtail 3Janese Bobtail 3 Maine Coon 1Maine Coon 1 Maine Coon 2Maine Coon 2 Maine Coon 3Maine Coon 3 Persian 1Persian 1 Persian 2Persian 2 Persian 3Persian 3 Russian Blue 1Russian Blue 1 Russian Blue 2Russian Blue 2 Russian Blue 3Russian Blue 3 Siamese 1Siamese 1 Siamese 2Siamese 2 Siamese 3Siamese 3 Snowshoe 1Snowshoe 1 Snowshoe 2Snowshoe 2 Snowshoe 3Snowshoe 3 Somali 1Somali 1 Somali 2Somali 2 Somali 3Somali 3 Sphynx 1Sphynx 1 Sphynx 2Sphynx 2 Sphynx 3Sphynx 3 Striped Tabby 1Striped Tabby 1 Striped Tabby 2Striped Tabby 2 Striped Tabby 3Striped Tabby 3 Tabby 1Tabby 1 Tabby 2Tabby 2 Tabby 3Tabby 3 All levels completedAll levels completed