Bubble Bobble (USA)

In Bubble Bobble, players control two adorable bubble dragons, Bub and Bob, on a quest to rescue their girlfriends from the Cave of Monsters. Each level is a single-screen arena where you must defeat all enemies to progress. Bub and Bob's primary weapon is their ability to blow magical bubbles. When a bubble hits an enemy, the enemy becomes trapped inside. Players must then pop that bubble by jumping on it or touching it to eliminate the enemy. If not popped quickly enough, the enemy will break free and become enraged.

When enemies are defeated, they transform into bonus items like fruits, vegetables, or diamonds that players can collect for points. Various special bubbles can appear, such as water bubbles, fire bubbles, or lightning bubbles, which create wide-area destructive effects. Players can also use their own bubbles to float up to higher platforms or to escape danger.

Throughout the levels, players can collect different power-up items like shoes for increased speed, candy for enhanced bubble range, or umbrellas for slow descent. The game features a total of 100 unique levels, each with different layouts and enemy types, requiring distinct strategies. The two-player cooperative mode is a major highlight, allowing two players to tackle challenges together, creating a fun and interactive experience.