Moving Out 2

As the description says, this achievement just requires you to complete every level, which despite the game's somewhat open world nature is still story related. You'll need to complete all levels in Packmore to open up the next three areas, then all levels in those three areas to get all 12 gnomes to open up the final area, and then complete all levels there. You essentially have to meet the objectives before time runs out, and considering Assist options exist in this game just like the first game, there is a ton of help. Use the options to reduce difficulty, to increase time limits, and to make it so objects disappear when they're put in the truck, and most of the difficulty of completing each level is gone now. You should have no issues completing each level under the pro time now, let alone completing them before the total time runs out, which is extremely generous.