Here is the full list of all 29 Bloody Trapland achievements.
Finished 1st in 5 race levels.
Took first place in a race.
Won 1 game of deathmatch.
Completed world 2 in Adventure mode.
Completed world 1 in Adventure mode.
Found a secret level.
Performed a springboard jump using another player.
Performed a mid-air jump.
Played a game with other players.
Free-fell through portals.
Finished Adventure mode and collected all the stars in Race mode.
Completed world 3 in Adventure mode.
Completed world 4 in Adventure mode.
Completed world 5 in Adventure mode.
Finished the Adventure mode.
Collected a goldstar.
Collected 3 goldstars.
Collected 10 goldstars.
Collected 25 goldstars.
Collect 50 goldstars.
Collected all the goldstars.
Find all secret levels.
Finished 1st in 20 race levels.
Won 5 games of deathmatch.