No missable achievements (plus 71 unknown)
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Kill your first alien
Collect 100 orbs in a single game
Reach level 5
Kill 100 grunts with the musket
Get a score of 1000
Spend 1000 orbs
Kill 50 dodgers with the musket
Use a head start
Kill 10 enemies on the last lawn square
Miss 8 times in a row
Use all utilities once
Kill 3 enemies during a single cane time
View the credits
Get all 3 guns
Kill 100 grunts with the shotgun
Reach level 10
Kill 1000 grunts with the musket
Get a score of 5000
Kill 50 dodgers with the shotgun
Kill 50 grunts with the ray gun
Use a last stand
Kill 50 behemoths with the musket
Collect 1000 orbs in a single game
Kill 5 enemies during a single cane time
Don't fire once
Kill 25 tanks with the musket
Spend 10,000 orbs
Kill 100 enemies on the last lawn square
Kill 50 behemoths with the shotgun
Get a 10x multiplier
Kill 500 dodgers with the musket
Kill 25 dodgers with the ray gun
Reach level 15
Kill 7 enemies during a single cane time
Spend 50,000 orbs
Get a score of 20000
Collect 2500 orbs in a single game
Reach level 20
Make a purchase with real money
Kill 1000 grunts with the shotgun
Upgrade all guns to level 3
Upgrade your house fully
Upgrade your musket fully
Upgrade your ray gun fully
Upgrade your shotgun fully
Upgrade all guns to max level
Kill 10 tanks with the ray gun
Kill 25 behemoths with the ray gun
Kill 500 dodgers with the shotgun
Kill 500 grunts with the ray gun
Kill 25 tanks with the shotgun
Kill 500 behemoths with the musket
Kill 500 behemoths with the shotgun
Kill 10,000 grunts with the musket
Kill 1000 enemies on the last lawn square
Kill 250 tanks with the musket
Kill 250 dodgers with the ray gun
Kill 250 behemoths with the ray gun
Kill 100 tanks with the ray gun
Kill 5000 grunts with the ray gun
Kill 5000 dodgers with the musket
Kill 10,000 grunts with the shotgun
Kill 250 tanks with the shotgun
Kill 2000 dodgers with the ray gun
Kill 5000 behemoths with the musket
Kill 5000 dodgers with the shotgun
Kill 2500 behemoths with the ray gun
Kill 5000 behemoths with the shotgun
Kill 1000 tanks with the ray gun
Kill 2500 tanks with the musket
Kill 2500 tanks with the shotgun