So someone I played with double ranked up from gold 1 to gold 3, stats were nothing special 15kills 15deaths. Does anyone know what could make this into a double rank up?

It is really hard to practice Viper's smokes (poison clouds) in a custom game because there is this annoying 10-second cooldown before you can throw it again after you pick it up from the ground. There is no such cooldown for Cypher's cams...