This game is just like New York Times' Wordle, but in multiplayer.
You and your opponent have to guess the same secret word. To gain clues, enter an existing 5-letter word each turn, while your opponent does the same. You have 6 turns to guess the word.
Then, sabotage one letter in your opponent's word. They will not have any information on the letter you choose.
Finally, you see hints for your word. Each color has a specific meaning: