Using mutator (linked in guide) makes achievements trivial. 'sv_cheats 1;..; sv_cheats 0' disable achievements. 6-8 players are needed for MP achievements, made easier with mutator. ~20 hours to 100%.
Using mutator (linked in guide) makes achievements trivial. 'sv_cheats 1;..; sv_cheats 0' disable achievements. 6-8 players are needed for MP achievements, made easier with mutator. ~20 hours to 100%.