Here is the full list of all 34 Zi achievements.
1000 enemies destroyed!
level 15 winner!
max tank upgrade!
500 enemies destroyed!
level 10 winner!
bonus supertank!
200 enemies destroyed!
level 5 winner!
level 3 winner!
bonus life taken!
100 enemies destroyed!
bonus stop taken!
bonus invulnerability!
bonus upgrade taken!
50 enemies destroyed!
bonus explode taken!
first map created!
welcome to editor!
level 2 winner!
level 1 winner!
10 enemies destroyed!
level 20 winner!
level 25 winner!
level 30 winner!
level 35 winner!
level 40 winner!
level 45 winner!
level 50 winner!
level 55 winner!
3000 enemies destroyed!
boss bomber!
boss laser!
ABSOLUTE WINNER!
super lives!