According to the search results, the Classic game mode in Blooket generally offers the most coins. In this mode, players compete against each other to answer questions correctly and earn points. The more points a player earns, the more coins they receive at the end of the game. However, its important to note that the number of coins earned in a Blooket game can vary based on factors such as the number of players, the difficulty of the questions, and the overall performance of the player. Other game modes can also provide a significant amount of coins, such as "Tower Takeover" or "Gold Rush". The number of coins earned per question in different game modes is as follows:

• Battle Royale: 1 token per question answered
• Cafe: 0.25 tokens per question answered
• Classic: 0.5 tokens per question answered
• Kingdom: 0.4 tokens per question answered
• Factory: 0.25 tokens per question answered
• Gold Quest: 0.25 tokens per question answered
• Racing: 0.35 tokens per question answered
• Tower of Doom: 0.3 tokens per question answered

Its important to note that promoting hacks or cheats is not allowed and can ruin the game for others.