Cheat Codes...
	Game Center Achievements...
	Gameplay Tips...

Try one of the below listed code for extra coins and gems.

Effect	Code
20 000 Extra Coins	G4yV-MoNq_rqD7
5 000 Extra Gems	VdiJ-wci8_ZHWj

Achievement	How to unlock
#01 - Bring it - Bronze	Call in 10 waves early.
#02 - Bring it - Silver	Call in 500 waves early.
#03 - Bring it - Gold	Call in 2,000 waves early.
#04 - Director - Bronze	Target and kill 5 enemies.
#05 - Director - Silver	Target and kill 50 enemies.
#06 - Director - Gold	Target and kill 200 enemies.
#07 - Heroic - Bronze	Train a hero to level 2.
#08 - Heroic - Silver	Train a hero to level 5.
#09 - Heroic - Gold	Train a hero to level 10.
#10 - Grit - Bronze	Complete a level with under 5 lives 10 times.
#11 - Grit - Silver	Complete a level with under 5 lives 50 times.
#12 - Grit - Gold	Complete a level with under 5 lives 200 times.
#13 - Architect - Bronze	Build 300 Towers.
#14 - Architect - Silver	Build 1,500 Towers.
#15 - Architect - Gold	Build 5,000 Towers.
#16 - Directed Current - Bronze	Kill 500 enemies with the Tesla Tower.
#17 - Directed Current - Silver	Kill 5,000 enemies with the Tesla Tower.
#18 - Directed Current - Gold	Kill 50,000 enemies with the Tesla Tower.
#19 - Graveyard Shift - Bronze	Collect 10,000 energy from enemy kills.
#20 - Graveyard Shift - Silver	Collect 125,000 energy from enemy kills.
#21 - Graveyard Shift - Gold	Collect 500,000 energy from enemy kills.
#22 - Starry Night - Bronze	Collect 5 stars.
#23 - Starry Night - Silver	Collect 50 stars.
#24 - Starry Night - Gold	Collect 100 stars.
#25 - Why Buy the Cow? - Bronze	Claim 10 free supply drops.
#26 - Why Buy the Cow? - Silver	Claim 30 free supply drops.
#27 - Why Buy the Cow? - Gold	Claim 100 free supply drops.
#28 - Well Connected - Bronze	Make 5 friends.
#29 - Well Connected - Silver	Make 15 friends.
#30 - Well Connected - Gold	Make 30 friends.
#31 - Mad Scientist - Bronze	Obtain 5 tower upgrades.
#32 - Mad Scientist - Silver	Obtain 25 tower upgrades.
#33 - Mad Scientist - Gold	Obtain 50 tower upgrades.
#34 - Helping Hand - Bronze	Send 1 gift.
#35 - Helping Hand - Silver	Send 25 gifts.
#36 - Helping Hand - Gold	Send 75 gifts.
#37 - Cannon Fodder - Bronze	Kill 1,000 enemies.
#38 - Cannon Fodder - Silver	Kill 10,000 enemies.
#39 - Cannon Fodder - Gold	Kill 100,000 enemies.
#40 - Artificial Selection - Bronze	Build 10 specialized towers.
#41 - Artificial Selection - Silver	Build 100 specialized towers.
#42 - Artificial Selection - Gold	Build 1,000 specialized towers.
#43 - Rail Blazer - Bronze	Kill 250 enemies with the railgun.
#44 - Rail Blazer - Silver	Kill 2,500 enemies with the railgun.
#45 - Rail Blazer - Gold	Kill 25,000 enemies with the railgun.
#46 - Mind Your Step - Bronze	Kill 100 enemies with infantry mines.
#47 - Mind Your Step - Silver	Kill 1,000 enemies with infantry mines.
#48 - Mind Your Step - Gold	Kill 10,000 enemies with infantry mines.
#49 - Acidic Nature - Bronze	Kill 100 enemies with the caustic cloud.
#50 - Acidic Nature - Silver	Kill 1,000 enemies with the caustic cloud.
#51 - Acidic Nature - Gold	Kill 10,000 enemies with the caustic cloud.
#52 - Burn Notice - Bronze	Kill 250 enemies with fire.
#53 - Burn Notice - Silver	Kill 2,500 enemies with fire.
#54 - Burn Notice - Gold	Kill 25,000 enemies with fire.
#55 - Paint the Ground Red - Bronze	Call in 25 airstrikes.
#56 - Paint the Ground Red - Silver	Call in 100 airstrikes.
#57 - Paint the Ground Red - Gold	Call in 500 airstrikes.
#58 - Call a Friend - Bronze	Call in 25 sets of reinforcements.
#59 - Call a Friend - Silver	Call in 100 sets of reinforcements.
#60 - Call a Friend - Gold	Call in 500 sets of reinforcements.
#61 - Melting Point - Bronze	Kill 250 enemies with the Plasma Cannon.
#62 - Melting Point - Silver	Kill 2,500 enemies with the Plasma Cannon.
#63 - Melting Point - Gold	Kill 25,000 enemies with the Plasma Cannon.
#64 - Would you kindly? - Bronze	Mind control a total of 100 enemies.
#65 - Would you kindly? - Silver	Mind control a total of 1,000 enemies.
#66 - Would you kindly? - Gold	Mind control a total of 10,000 enemies.
#67 - Confirmed Kills Only - Bronze	Kill 250 enemies with Vanguard soldiers.
#68 - Confirmed Kills Only - Silver	Kill 2,500 enemies with Vanguard soldiers.
#69 - Confirmed Kills Only - Gold	Kill 25,000 enemies with Vanguard soldiers.
#70 - Empty Shields - Bronze	Thrown 250 EMP grenades.
#71 - Empty Shields - Silver	Thrown 2,500 EMP grenades.
#72 - Empty Shields - Gold	Thrown 25,000 EMP grenades.
#73 - Fistful of Bullets - Bronze	Kill 250 enemies with the Minigun.
#74 - Fistful of Bullets - Silver	Kill 2,500 enemies with the Minigun.
#75 - Fistful of Bullets - Gold	Kill 25,000 enemies with the Minigun.
#76 - High Noon - Bronze	Kill 100 enemies with the Gunslinger.
#77 - High Noon - Silver	Kill 1,000 enemies with the Gunslinger.
#78 - High Noon - Gold	Kill 10,000 enemies with the Gunslinger.
#79 - Marvellous - Bronze	Kill 250 enemies with MARV.
#80 - Marvellous - Silver	Kill 2,500 enemies with MARV.
#81 - Marvellous - Gold	Kill 25,000 enemies with MARV.
#82 - Starstruck - Bronze	Dizzy 250 enemies with the Concussion Grenade.
#83 - Starstruck - Silver	Dizzy 2,500 enemies with the Concussion Grenade.
#84 - Starstruck - Gold	Dizzy 25,000 enemies with the Concussion Grenade.
#85 - Challenger - Bronze	Complete 10 Easy challenges.
#86 - Challenger - Silver	Complete 20 Easy challenges.

Tip 1: Drag and tap from the tesla tower to the group of creeps.

Tip 2: You can use the energy from dead aliens to develop even more towers.

Tip 3: Construct an infranty tower to slow them down!

Tip 4: A rocket tower will certainly take outr bigger groups of enemies.

Tip 5: Projectile weapons will not do much damage versus it if the enemy has a shield.

Tip 6: Develop a laser tower to a protected eneny to cut right with it.

Tip 7: A hero from Kontiki Base is on his way!

Tip 8: You can manage your heroes to kill enemies. You can likewise make gold with every enemy eliminated from heroes.

Tip 9: Gold coins can purchase new towers, devices and equipment.

Tip 10: Use gems to put study into overdrive

Tip 11: Call a wave early to make perk materials

Tip 12: Call an ally to the chosen ground and help you in eliminating close-by enemies.

Tip 13: Call an airstrike to strike the chosen ground and damage the enemies.

Tip 14: If your Tesla Tower is out of energy just immediately fill up by investing gems.

Tip 15: Equip your heroes with equipment to enhance it's protective and offending abilities.