from BHAW in a Nutshell: Bounty Hunters of the Atomic Wastelands is a game about bounty hunters operating in the Atomic Wastelands. In less redundant terms it's a roleplaying game set in a wild west inspired, post-apocalyptic future. By default the game assumes player characters will take on the role of Bounty Hunters and band together to hunt down bad guys for a reward. A sample setting with ready made bounties to collect is presented later in the rules to help you get started.
BHAW uses a much abridged version of FATE rules. Veteran FATE players can easily bring in more advanced concepts from FATE to the game. For newcomers to FATE all the rules you need to play are in included.