Here is the full list of all 23 Spy Bugs achievements.
Land upside down.
Win a game.
Win a Info Retrieve Match.
Win a Database Domination Match.
Win a Data Nest Match.
Win a Capture the Ladybug Match.
Win a Rescue the Ant Match.
Win a Protect the Queen Bee match.
Execute a Barrel Roll.
Kill 10 enemy bugs in 1 match.
Get a total of 20 wins.
Kill 15 enemy bugs in 1 match.
Kill an enemy while invisible.
Kill an enemy while landed upside down.
Capture 30 black boxes in Info Retrieve.
Rescue all the ants in a Rescue the Ant match.
Play at least 5 times with each character.
Unlock all the bugs.
Kill 25 enemy bugs in 1 match.
Get a total of 70 wins.
Kill 15 or more enemy without dying in 1 Match.
Unlock all the customization available.
Congratulations! You have unlocked all the available achievements.