Neptune's Adventure is an Android puzzle game developed by PopPlay Inc. The game is set under the sea, where players can submerge themselves and match sea creatures in a match 3 puzzle adventure. The game has several levels, each with different objectives to complete, such as Target Score, Drop Down Levels, and Timed Levels.

Players can use in-game boosters like the subatomic bomb and kaboom blaster to cause underwater explosions and level up faster. Neptune's Adventure has hundreds of levels to keep players fascinated with Neptune's Kingdom. The game has mesmerizing sounds and graphics that allow players to immerse themselves in the game.

Players can share their scores on Facebook and challenge their friends to top the leaderboard. Neptune's Adventure is free to play, but some optional in-game items require payment.

Overall, Neptune's Adventure is an enjoyable and addictive puzzle game with various levels, boosters, and stunning graphics that will keep players engaged for hours.