Here is the full list of all 55 Gaming Cafe Life achievements.
Clean stains x 240
Defuse bombs x 10
Buy items x 70
Reached the Seventh Star Rating
Accept billings x 800
Kick out ghosts x 10
Reached the Sixth Star Rating
Kick out annoying customers x 15
Clean stains x 60
Reached the Fifth Star Rating
Accept billings x 200
Reached the Forth Star Rating
Accept billings x 50
Reached the Third Star Rating
Reached the First Star Rating
Reached the Second Star Rating
Buy items x 280
Buy items x 1120
Serve food/drinks x 50
Serve food/drinks x 200
Serve food/drinks x 800
Kick out annoying customers x 60
Kick out annoying customers x 240
Kick out thiefs x 10
Kick out thiefs x 40
Kick out thiefs x 160
Kick out ghosts x 40
Kick out ghosts x 160
Fill up tanks x 2
Fill up tanks x 8
Fill up tanks x 32
Defeat thugs x 15
Defeat thugs x 60
Defeat thugs x 240
Harvest plants x 20
Harvest plants x 80
Harvest plants x 320
Defuse bombs x 40
Defuse bombs x 160
Clean stains x 960
Won card games x 10
Won card games x 40
Won card games x 160
Train in the gym x 5
Train in the gym x 20
Train in the gym x 80
Max out relationships with town citizens x 1
Max out relationships with town citizens x 3
Max out relationships with town citizens x 5
Reached the Eight Star Rating
Reached the Ninth Star Rating
Reached the Tenth Star Rating
Unlock all areas in the gaming cafe
Upgrade all tools to the maximum level
Unlock all staff to help the gaming cafe