Adds a move counter.
Adds a new 0 tile that looks like a question mark. It merges with every other tile, and upon its collision, a popup prompts the user to answer a question.
Adds the html/css for a message system that enables the presentation of sentence long questions.
Adds some info to the README.
Adds a working system for answer retrieval and checking.
Pauses the game when the question overlay pops up. Prevents the input manager from blocking keystrokes when the text input is in focus.
Implements a system of organizing different question sets. Fixes the issue with the 'r' key restarting the game while it's paused.
Decreases the chance of getting a question block.
Merge branch 'develop'