It depends on your preferences. For a l4d style horde shooter, vermintide 1&2 For a boomer shooter, the recent 40k boltgun is allegedly excellent For tactica

It depends on your preferences. For a l4d style horde shooter, vermintide 1&2 For a boomer shooter, the recent 40k boltgun is allegedly excellent For tactical in the 40k realm the dawn of war 2 is great. Space marine was a nice linear action game, worthwile on sale.