In a Main Quest to KILL online achievements
Slam 100 opponents in online races - FlatOut 4: Total Insanity
Win 20 races in Assault Mode online - FlatOut 4: Total Insanity
Burn nitro continuously for at least 5 seconds in a race - FlatOut 4: Total Insanity
981/4,030260/1,00013/45
722/1,802400/1,00015/37
157/49465/2003/12