Friend Magnet 
Rescue all 6 of the astronauts in one run of levels 6 or 12
See Collector 
In for a penny 
Purchase an upgrade for the ship
This trophy is obtained by buying any upgrade at the shop. One upgrade in the shop is FREE, so this could be the first trophy you obtain
No powerups needed
Finish a level without collecting any powerups
This trophy is easy to obtain on level 1 since the enemies here are the weakest. Avoid all enemy drops for the whole level to obtain this trophy.
To make this trophy very easy, you can wait until the end of the game when you have most of the upgrades in the shop and replay level 1. You will be so overpowered, you won't even need the upgrades.
Power mad
Purchase the final upgrade of any variety
Most weapons in the shop have a maximum of 3 upgrades to max them out. By the time you platinum the game, you should have at least 4 abilities upgraded to max so you do not have to worry about this.
Just concentrate on upgrading Damage, Rate of Fire, and Spread first
Shooter
Destroy 500 enemy ships overall
See Destroyer
Destroyer
Destroy 2500 enemy ships overall
This might be one of the last trophies you obtain. If you do not have this by the end of the game, just keep replaying level 14 until you get it.
Once you kill a total of 2500 enemy ships, you will have this trophy
You can check your overall stats and see how many total kills you have
Combo Appreciation
Achieve a combo of 50
Your combo goes up by each enemy you kill in a row.
Your combo will go back to 0 if any of the following happens:
1) Your ship takes damage
2) You miss an enemy ship
You should get this trophy during the course of the game, but if for some reason you missed it, you can easily get this during level 1 with your overpowered weapons. Worst case, once you reach the boss, as long as you don't damage it, it will continue to drop 2 bombs at a time. These bombs do count towards combo so you can easily farm it here at any point in the game
Swing and a miss
Miss 50 enemies in one level
You might obtain this naturally if you like avoid enemies.
You can easily obtain this by starting up level 1 and 2 and avoiding every enemy you see. Just allow the enemies to fly off screen and if you miss 50 in one level, you will get the trophy.
Mistakes add up
Miss 500 enemies overall
I have played this game twice, and I got this naturally in both games.
If you do not have this trophy after you have every other trophy, just load up any level you like and just avoid enemies until you get the trophy
Wave Goodbye
Make it to Wave 13 in Invasion Mode
Once you defeat level 5 in Story Mode, you will unlock Invasion Mode.
Your upgrades in Story Mode do not matter, so you can play this at any point. You need to defeat the boss in Wave 12 to receive this trophy ( you will get it once Wave 13 starts)
If any enemy makes it by you, you will automatically lose so make sure to keep this in mind. I believe there is only one tricky wave and that is Wave 7 or 8. This wave is the only one that has enemies which will make it by you pretty quickly if you are not paying attention. Make sure to save a powerup for this level (if possible) to make it very easy.
Safety First
Survive for 180 seconds in Shield Maiden Mode
Once you defeat level 15 in Story Mode, you will unlock Shield Maiden Mode
The object of this mode is to survive 180 seconds to get the trophy. You start off with 1 health and weak weapons so avoid all enemies. Every 20-30 seconds, a section will end, and you will get a shield power-up. You can have 2 shield power-ups active at the same time.
If you happen to pick-up a third, sit on it until you need it.
As long as you avoid the enemies, you will have no issues on this mode.
Crowded Ship
Rescue 8 astronauts in one run of Rescue
Once you defeat level 10 in Story Mode, you will unlock Rescue
The object of this mode is to rescue a total of at least 8 astronauts to get the trophy. As long as you are patient, you should have no issues with this mode.
Unlike level 6 and level 12, the astronauts are generally behind walls so you do not have to worry about firing your bullets at all times
Collector
Discover all 12 of the lost astronauts in levels 6 and 12
There are 6 astronauts in both level 6 or level 12. If you collect all 6 in both levels, you will receive this trophy. Make sure to be careful with firing your own bullets, you can kill the astronauts.
The enemy bullets do not harm the astronauts
Baking an egg
Find the Perils of Baking easter egg on Level 14
On Level 14, there is a hidden easter egg that you need to fire a bullet at to get this trophy.
You start the level by making your way right, and 1/3 of the way through the level, you change directions from going right to going up.
Make sure to stay on the left side of the map. If you keep staying towards the left, you will eventually see a small lane to go up that leads to a chef's hat. If you fire a bullet at this, you will get the trophy.
Evasive character
Finish a level without taking damage
To receive this trophy, you need to complete a level without taking a damage. You might receive this automatically during your game play, but if you do not, wait until the end when you have all the upgrades you want.
Replay level 1, with all the upgrades you have, and easily finish this level without taking damage. If you take your time, this will be a cakewalk 
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