This time, they're coming from the backyard. While you're watching and if the game suddenly got laggy, it's because of a background program is suddenly consumes high CPU Usage. Then, after defeated Level 3-5, the zombie sounds were still weird until the end, unless I need to restart the game (This needs to be fixed) ___________________________________________________________________________ Spec: Intel Core i5-3337U Integrated GPU Only 4 GB RAM Windows 10 ___________________________________________________________________________ Timestamps: 0:00:00 - Intro 0:00:12 - Level 3-1 0:04:53 - Level 3-2 0:10:53 - Level 3-3 0:17:22 - Level 3-4 0:25:24 - Level 3-5: Big Trouble Little Zombie 0:29:03 - Level 3-6 0:35:09 - Level 3-7 0:43:09 - Level 3-8 0:49:25 - Level 3-9 0:57:13 - Level 3-10