| # | Unlocked | Locked | Name | Beschreibung | Spieler | Global |
|---|---|---|---|---|---|---|
| 1 |
|
| I Spy | Activate reconnaissance system. | 0 | 11.6% |
| 2 |
|
| Retry | Reload an earlier save checkpoint. | 0 | 11.6% |
| 3 |
|
| Kaboom! | Build 5 Cannon towers. | 0 | 11.6% |
| 4 |
|
| No Sale | No towers sold in a single mission. | 0 | 11.6% |
| 5 |
|
| Pew Pew | Build 5 Laser towers. | 0 | 11.6% |
| 6 |
|
| Arsenal | Build 20 towers in one mission. | 0 | 11.6% |
| 7 |
|
| Firebug | Beat an advanced mission with only Inferno towers. | 0 | 11.6% |
| 8 |
|
| Surplus | Win with 1,000 resources remaining. | 0 | 11.6% |
| 9 |
|
| Boot Camp | Finish the first 3 missions. | 0 | 11.6% |
| 10 |
|
| Gun Crazy | Beat an advanced mission with only Gun towers. | 0 | 11.6% |
| 11 |
|
| Leadhead | Build 5 Gun towers. | 0 | 11.6% |
| 12 |
|
| Overseer | Build 5 Command towers. | 0 | 11.6% |
| 13 |
|
| Xenocide | Kill 50,000 aliens. | 0 | 11.6% |
| 14 |
|
| Bring It On | 0 | 11.6% | |
| 15 |
|
| Close Call | Save a core less than 10 seconds away from the map exit. | 0 | 11.6% |
| 16 |
|
| Confident | Use speed up controls for a total of 30 seconds in any one mission. | 0 | 11.6% |
| 17 |
|
| Diversity | Build all tower types in one mission. | 0 | 11.6% |
| 18 |
|
| Full House | Build all upgrades of all tower types in one mission. | 0 | 11.6% |
| 19 |
|
| Nail Biter | Win mission with the last core less than 10 seconds away from the map exit. | 0 | 11.6% |
| 20 |
|
| Not So Fast | Build 5 Temporal towers. | 0 | 11.6% |
| 21 |
|
| Relay Race | Witness 1 core handed off 10 times within 20 seconds. | 0 | 11.6% |
| 22 |
|
| Alien Tears | Earn a gold medal on all missions in the Story mode. | 0 | 11.6% |
| 23 |
|
| Eradicator | Kill 100 aliens. | 0 | 11.6% |
| 24 |
|
| Filthy Rich | Win with 10,000 resources remaining. | 0 | 11.6% |
| 25 |
|
| First Blood | Kill 1 alien. | 0 | 11.6% |
| 26 |
|
| Head Trauma | Build 5 Concussion towers. | 0 | 11.6% |
| 27 |
|
| Indecisive | Sell 10 towers in a single mission. | 0 | 11.6% |
| 28 |
|
| Liquidator | Sell 5 towers. | 0 | 11.6% |
| 29 |
|
| Minimalist | Beat an advanced mission with only level 1 towers. | 0 | 11.6% |
| 30 |
|
| What IS that? | Inspect 10 aliens. | 0 | 11.6% |
| 31 |
|
| Annihilator | Kill 10,000 aliens. | 0 | 11.6% |
| 32 |
|
| Full Defense | Build 50 towers in one mission. | 0 | 11.6% |
| 33 |
|
| High Voltage | Build 5 Tesla towers. | 0 | 11.6% |
| 34 |
|
| The Long Road | Alien time until exit exceeds 5 minutes. | 0 | 11.6% |
| 35 |
|
| Tower Expert | Build every tower and upgrade. | 0 | 11.6% |
| 36 |
|
| Untouchable | Beat an advanced mission with zero cores captured. | 0 | 11.6% |
| 37 |
|
| Base Defender | Complete the Story mode. | 0 | 11.6% |
| 38 |
|
| Burn Baby Burn | Build 5 Inferno towers. | 0 | 11.6% |
| 39 |
|
| Exterminator | Destroy 1000 aliens. | 0 | 11.6% |
| 40 |
|
| Happy Returns | Recover a loose core. | 0 | 11.6% |
| 41 |
|
| Hey! That's mine! | Kill an alien carrying a power core. | 0 | 11.6% |
| 42 |
|
| Penny Pincher | Win with 5,000 resources remaining. | 0 | 11.6% |
| 43 |
|
| Power Builder | Build 6 towers within 10 seconds. | 0 | 11.6% |
| 44 |
|
| Sharpshooter | Shoot down a flying alien. | 0 | 11.6% |
| 45 |
|
| Shell-shocked | Beat an advanced mission with only Cannon towers. | 0 | 11.6% |
| 46 |
|
| Siege Breaker | Survive 100 waves on the Grinder challenge mode. | 0 | 11.6% |
| 47 |
|
| Well Invested | Gain 10000 resources from interest in a single mission. | 0 | 11.6% |
| 48 |
|
| Full Potential | Beat an advanced mission with only level 3 towers and no selling. | 0 | 11.6% |
| 49 |
|
| Salvage Rights | Destroy at least one boss alien. | 0 | 11.6% |
| 50 |
|
| Death From Above | Fire the orbital laser. | 0 | 11.6% |
| 51 |
|
| Field Promotion | Earn at least one silver medal. | 0 | 11.6% |
| 52 |
|
| Planet Defender | Earn a silver medal on all missions in the Story mode. | 0 | 11.6% |
| 53 |
|
| Pyrrhic Victory | Shoot down flying alien carrying a core. | 0 | 11.6% |
| 54 |
|
| Flawless Victory | Earn at least one gold medal. | 0 | 11.6% |
| 55 |
|
| Great Ball of Fire | Build 5 Meteor towers. | 0 | 11.6% |
| 56 |
|
| Master Strategist | Earn a gold medal on all Challenge modes. | 0 | 11.6% |
| 57 |
|
| The Not-So-Friendly Skies | Build 5 Missile towers. | 0 | 11.6% |
| 58 |
|
| Yellow Beats Green | Upgrade a tower. | 0 | 11.5% |