Full list of all 15 Connect 4 achievements worth 200 gamerscore. It takes around 8-10 hours to unlock all of the achievements on Windows Phone.
Win your first match.
Win 10 matches.
Win 25 matches.
Win 50 matches.
Play 500 matches.
Play 1000 matches.
Defeat 10 NORMAL difficulty AI opponents.
Defeat 10 EXPERT difficulty AI opponents.
Beat the AI within ten moves in a quick game.
Win a quick game in under 45 seconds.
Form two 'Connect 4' winning lines in a single drop.
Win each game mode at least once.
Shake the device to cause an earthquake in the game.
Win 5 matches in a row against NORMAL or EXPERT AI.
Complete the Challenge Mode.