Reaching Act 3 and also finishing “Now that’s entertainment” mission, which can be done even in Act 1
1 Head to Irwin Smalls' location & talk to him 2 Store your weapons in the Weapons Stash 3 Jump in the back of Irwin's Truck 4 Follow the guard to the Manufacturing Area of the Bullet Farm 5 Go to the workbench and use the device to create bullets 6 Follow the other prisoners to the yard 7 Talk to the prisoner next to the bonfire 8 Take the Shiv from one of the backareas 9 Take the Key to the factory 10 Insert the key to the doors to the factory and go in 11 Sneak through the factory to get to the rooftop 12 Kill Frank & take his racer gear in the bag on the rooftop 13 Head back inside the factory and follow the path you used when you went inside the farm 14 Escape the Bullet farm (Optional: Get on the Back of Frank's Truck)
Survivor, here is a list of story and side missions for Far Cry: New Dawn. Keep track of all your missions. Good luck.