Unlockables Achievements Complete each achievement to receive the allotted gamerscore. A RIDE DENIED (15) – Kill a Jockey within 2 seconds of it jumping on a Survivor. A SPITTLE HELP FROM MY FRIENDS (15) – As the Spitter, spit on a Survivor being choked by a Smoker. ACID REFLEX (15) – Kill a Spitter before [...]