Here is the full list of all 17 NOT A HERO: SUPER SNAZZY EDITION achievements worth 1,000 gamerscore.
KILL BOGDAN
FIND THE SECRET DOOR IN VODKAVILLE
MAKE BUNNYLORD MAYOR OF ENGLAND
MAKE BUNNYLORD PRIMINISTER
MAKE BUNNYLORD KING OF BRITAIN
MAKE BUNNYLORD GLOBAL MEGALORD
FIND THE SECRET DOOR IN BREDRIN PARK
FIND THE SECRET DOOR IN SUSHICENTRAL
DO A TOTAL OF 300 EXECUTIONS
GET A TOTAL OF 300 CRITICAL HITS
KILL UPGRAYDD
KILL THE HELICOPTER
REACH THE END OF THE "ME, MYSELF & BUNNYLORD" CAMPAIGN
COMPLETE ALL OBJECTIVES IN THE "ME, MYSELF & BUNNYLORD" CAMPAIGN
FINISH "MILKSHAKE SHAKEDOWN" WITHOUT KILLING ANYONE
KILL THE GANG BOSS IN "TODAYS NEWS YESTERDAY"
KILL EVERYONE (EXCEPT THE KILLINATOR) IN "TO KILL A KILLINATOR"