Plazma Burst

Plazma Burst and Plazma Burst 2 are online, Freeware 2d shooters/platformers. The first game can be played here, and the second game can be played here

Tropes used in Plazma Burst include:

Action Girl: Proxy in the second game.
Airborne Mook: Level 11 in the first game, and Drones in the second game.
And Now for Someone Completely Different: One for each game. In the first game, you meet Noir Lime at the end of Level 10 and play him on levels 14 and 15. In the second game, Proxy on levels 30-36.
Arm Cannon: Some aliens in the first game.
BFG: Several, especially in the second game.
Bloodier and Gorier: The second game is almost the 2d-shooter version of Happy Wheels.
Boom! Headshot!
Bottomless Magazines: Except for grenades and the rocket launcher in the first game.
Bullet Time: Pressing Z in the second game, also happens in level 40 when Noir Lime's ship crashes.
Crate Expectations
Critical Existence Failure: You and vehicles.
Damage Discrimination: No infighting in Hard mode in the second game. Otherwise...
The Determinator: In the second game, dying enemies, even if they are cut in half and bleeding out, will still try to kill you as long as they are alive.
Difficulty Levels: Three.
Drop Pod: At the start of the second game.
Dueling Games: With Raze, and to a lesser extent, Armor Mayhem.
Energy Weapon: Plenty, including weapons that shouldn't be, like pistols, rifles, and shotguns.
Excuse Plot: Something about time travel.
Exploding Barrels
Friendly Fireproof: Except for Splash Damage.
Gatling Good: Noir Lime has a minigun in the second game.
Grimy Water: Acid in the second game.
Heal Thyself: Medikits in the first game.
Hit Points: The first game gives you 100, the second gives you either 500 or 750 depending on your battle suit.
Humongous Mecha: The final boss in the first game, and the Hound Walker in the second game.
Laser Blade: The second game.
Lens Flare: The second game.
Level Editor: The second game.
Melee a Trois: You, humans of the world you've entered, and aliens.
Mind Over Matter: The kinect model in the second game allows for telekinesis.
Mooks: By the dozen, both human and alien.
Not the Fall That Kills You
One-Hit-Point Wonder: The enemies in the first level of the first game appear to have 1 HP. They can be killed by shards of glass from Exploding Barrels.
Ragdoll Physics
Regenerating Health: The second game, for you and for the enemies in Hard mode.
Rocket Jump
Scoring Points: The first game.
Scratch Damage: In the first game, everyone can be hurt by shards of flying glass from Exploding Barrels, even though everyone appears to be wearing some sort of body armor.
Set a Mook To Kill A Mook
Side View
A Space Marine Is You
Splash Damage: Grenades, rocket launchers, and the BNG in the second game.
Spread Shot: Shotguns and some of the other weapons.
Unexpected Gameplay Change: Level 11 in the first game.
Weaksauce Weakness: At the end of the first game a boss comes and one-hits your partner with swords. The seemingly invincible enemy isn't injured by anything except getting the door closed on it, and that isn't hard to do.
Web Game
The Wiki Rule: Plazma Burst wikia
X Meets Y: The series could be called Terminator meets Raze/Armor Mayhem. The second game could be called Happy Wheels meets Raze/Armor Mayhem.