"Slash style" refers to a way of combining or balancing multiple roles or skills in one's work or career. It is when someone actively pursues and engages in more than one profession or interest simultaneously. Full definition
From the instant you place the game in you will be immersed in a very good hack and slash style of gameplay that manages to grow into much more. (darkstation.com)
Once again, the likelihood of the new IP being a hack - and - slash style game seems possible. (cinemablend.com)
The game features a basic hack & slash style gameplay, with several puzzles that need to be solved to progress through the game and unlock bonus material. (allpcgame.net)