Here is the full list of all 34 Spheritis achievements.
Completed all campaign levels with challenge mode.
Completed all campaign levels with hard difficulty.
Achieved a top score on the leaderboards.
Completed all campaign levels with normal difficulty.
Shocked by a shield 500 times.
Foud all 61 bonuses in the campaign.
Beat the developer his score.
Secret achievement in Waterfalls.
Secret achievement in Breach.
Complete Mirror without picking up Shrink.
Failed to beat your own score in a replay. (Excluding Tutorial)
Collect every coin in Maze.
Completed all campaign levels with easy difficulty.
Jump in the green tube.
Complete Breach without grabbing shrink.
Secret achievement in The Mirror.
Secret achivement in Swamp.
Complete Volcano without picking up Jump and Boost.
Secret achievement in Swamp.
Secret achievement in 3D.
Grabbed Jump without using the pipes.
Completed Pitt without grabbing jump.
Completed all campaign levels with Green mode.
Beat your own score in a replay. (Excluding Tutorial)
Completed the Maze level without touching the walls.
Completed one level in challange mode. (Excluding Tutorial)
Played the early acces version.
Secret achievement in Modular.
Secret achievement in Quarry.
Secret achievement in Tutorial.