Block Bros: Platformer Builder is a challenging online action game that offers a unique platformer building experience. With an ever-expanding selection of levels, players can jump, climb, kick, and dash their way through the game.

One of the standout features of Block Bros is the ability for players to create their own levels. This allows for endless possibilities and ensures that the game remains fresh and exciting. Players can generate a URL for each level they create and share it with their friends to see if they can beat it.

In addition to the user-created levels, the game also features over 200 campaign levels to keep players entertained. By completing levels, players can earn PlayerPoints and blocks, which can be used to unlock more playable characters and rewards. There is also a Time Attack Leaderboard available for each level, adding a competitive element to the game.

Block Bros also encourages communication and interaction between players. Players can follow each other, comment on levels, and compete on per-level leaderboards. They can even design their own emblems and gift them to other players.

Overall, Block Bros: Platformer Builder offers a challenging and engaging online action game experience with its extensive level selection, player-created levels, and interactive features.