Salvage Union is a post apocalyptic mech game where you play pilots on board a mobile community trying to make a living out on a wasteland ravaged by ancient wars, climate change, and kaiju.
It's the perfect adventuring set up. You have a home base populated by characters you presumably like, you have an immediate need (Make enough scrap to keep your home rolling), you have threats opposing you, and you have a giant robot.
The system is based on the Quest system which is like the lightest imaginable form of D20. You roll a D20 with a basic range of success variations (Critical success, success, failure, fumble) and the roll is never modified.
It's a pretty basic system and great for on-boarding new GMs. The GM section even gives advice on ways to add consequences to player actions in a way that feels fair and earned. It very much occupies a place where the GM rarely rolls dice but more reacts to the story the dice of the players want to tell.
The setting is fleshed out as much as it needs to be and gives you enough freedom to carve out your own section of it and define it yourself. The included module gives you a nice point crawl to work with and an example region. It is designed for year long campaigns and the escalating tech level of scrap and mech parts creates a nice arc for that campaign where you go from poorly equipped scrap rats on a semi-function rolling barge of dozens barely scraping by to well supplied pilots with top of the line tech serving a rolling city of thousands.
It's well made and well put together. It looks like an intimidating book but the graphical layout and larger font size make it a relative breeze to read. Also most of the book is lists of mech parts or abilities and you don't really need to read them all anyway.
The art is fantastic fusing a cartoonish psuedo-anime style with a style reminiscent of Simon Stalenhag's work in Tales from the Loop. It works perfectly to evoke that kind of heart breaking nostalgia that mecha anime can inspire while also giving a perfect vibe of a world that has moved on and deteriorated.