Family Game Night
91 Achievements
1,850
Xbox 360
Spoilsport
Blocked a Connect 4 fifteen times in any game mode in Connect 4x4
25
How to unlock the Spoilsport achievement in Family Game Night - Definitive Guide
This will probably come naturally while playing for 20 wins. Once an opponent gets 3 chips in a row, block the Connect 4 with your chip. Better done in Original mode, and also best done with the 4 controller method while racking up 20 wins.