LD45 Boing!

2D Platformer Shoot-Em Up with different weapons and modifier the player can pick up. Killing enemies collects coins that can be spent in a shop at certain wave intervals. Every few waves the difficulty will increase, spawning more enemies. Upgrades can be picked up that unlocks abilities or adds to the player stats.

Player has a health bar and an energy bar
Player can buy different weapons, each with their own ammo count. Energy can be spent to fire if the weapon is out of ammo.
Modifiers to weapons apply to the currently equipped weapon.

Right now everything is overtuned to make the demo quicker to play.

Controls: Keyboard+Mouse and Controller are both supported, no remapping.

KB/M:

• A/D: Move Left or Right 
• Mouse: Aim 
• Space: Jump 
• L-Shift: Dash (When Unlocked) 
• Q/E: Next/Previous Weapon 
• Esc: Pause 
• Mouse 1: Fire Weapon 
• F: Buy vendor item
• L-Shift: Skip Vendor

Controller:

• Move: Left Joystick 
• Aim: Right Joystick Jump: 
• LB Fire: 
• RB Dash (When Unlocked): A 
• Pause: Select 
• Buy vendor item: Y
• Skip Vendor: A

Unlockable Abilities:

• Multi Jump
• Dash

Modifiers examples:
Some modifiers lack an icon and as such it can be hard to identify its meaning. The message list in the bottom-right will show the latest modifiers added to the player, as well as the items the vendor is spawning. 

• Extra Damage 
• Extra jump height 
• More movement speed 
• Extra Health
• Health regeneration

Pretty much any variable for the player can be modified by pickups that spawn after each wave.