'Heart of the Cards' is a game of skill, strategy, and desperately trying to use the BRRR card before you run out of health.
A Deckbuilding Roguelike that makes you a literal card-slinger in a high-speed Boomer Shooter arena. Shuffle up, shoot out, and pray to RNGesus.

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Controls & Core Mechanics

1. Movement

Your movement speed is your greatest defense. The game's physics are inspired by classic arena shooters—stay mobile to survive and build momentum.

Key	Action	Description
WASD	Move	Standard movement
Space	Jump	Essential for navigating and maintaining momentum.
LMB	Primary Attack	Throws the card as a projectile.
RMB	Use Card Ability	Consumes the card for a powerful effect.
Tab	Unlock Cards	Unlock new cards to add to your potential deck pool.
Esc	Menu	Pause the game to adjust settings (Volume/Mouse Sens.).
Seed	(Found in Menu)	This value determines the starting order of card draws and the room layouts, ensuring your run is deterministic and repeatable.
R	Restart Run	Quits current attempt and begins a new run.

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2. Card Usage

At any given time, you have 4 cards in your hand. You must choose how to use each card, as the choice determines your immediate offense and long-term strategy.

Input	Action	Effect
Left Mouse Button (LMB)	Primary Attack	Throws the card as a standard projectile, dealing damage to the enemy it hits.
Right Mouse Button (RMB)	Card Ability	Consumes the card to grant you a powerful, temporary buff or effect. This is the strategic core of the game.

Card Reference

This is a guide to the abilities you will unlock and discover. Use them strategically—some abilities stack and combo to create game-breaking power!

Card Name	Effect (RMB Ability)	Description
DASH	Dash forward.	N/A
HEAL	Regain '30' health.	N/A
ARC	Next '5' primary attacks will throw '5' cards instead of one.	Stacks up to '5' times.
SEEKER	Next '5' primary attacks will snap to the nearest enemy to your crosshair.	Stacks up to '5' times.
BOOM	Next '5' primary attacks will spawn an explosion on touching a surface for AOE damage.	N/A
BIGLY	Thrown cards are significantly larger.	N/A
BRRR	Throw '15' cards without any further input.	N/A

For Mac builds please use this for the 'App is damaged and cant be opened' issue

xattr -r -d com.apple.quarantine /Users/yourname/Downloads/BYOG-2025.app