BUY YOUR 5TH UPGRADE.
BUY YOUR 1ST UPGRADE.
BUY YOUR 10TH UPGRADE.
BUY YOUR 20TH UPGRADE.
BUILD YOUR 5TH FLOOR.
BUY YOUR 30TH UPGRADE.
BUILD YOUR 10TH FLOOR.
BUILD YOUR 20TH FLOOR.
BUILD YOUR 40TH FLOOR.
BUILD YOUR 30TH FLOOR.
HIRE YOUR 1ST EMPLOYEE.
HIRE YOUR 5TH EMPLOYEE.
HIRE YOUR 15TH EMPLOYEE.
HIRE YOUR 10TH EMPLOYEE.
HIRE YOUR 20TH EMPLOYEE.
UNLOCK ONE BONUS PIECE.
UNLOCK 10 BONUS PIECES.
UNLOCK 5 BONUS PIECES.
UNLOCK 20 BONUS PIECES.
UNLOCK 30 BONUS PIECES.
PRESTIGE TWICE
PRESTIGE ONCE
PRESTIGE THREE TIMES
PRESTIGE FIVE TIMES
USE BUSINESS TIME 50 TIMES
PRESTIGE TEN TIMES
USE BUSINESS TIME 100 TIMES
USE BUSINESS TIME 250 TIMES
CLAIM REWARD FROM UFO 100 TIMES
CLAIM REWARD FROM UFO 50 TIMES
CLAIM REWARD FROM UFO 250 TIMES