Full list of all 16 Steven the Sperm achievements.
The base game contains 14 achievements, and there is 1 DLC pack containing 2 achievements.
Swim through the narrow section in Stage 1 at top non-dashing speed without using the brake.
Get a Steven medal in Stage 2 without dying once and with checkpoints disabled.
Reach the checkpoint area in Stage 3 before a diagonal spermicide does.
Go to a completely pointless place in Stage 4.
Dash during the main section of "Stage 5" without braking or dying
Die in a very stupid place on normal mode.
Kill the final boss without being knocked more than 3 times.
Get a spermicide medal on the final boss fight.
Kill the final boss before it dashes more than 5 times.
Get the best ending.
Clear all stages on normal mode.
Clear all stages on ???? mode.
Earn the maximum amount of points on normal mode.
Earn the maximum amount of points on ???? mode.
Clear the extra stage "5 Challenges".
100% the "5 Challenges" stage by collecting all cells.