Here is the full list of all 36 Splody achievements.
Accumulate 10 kills
Die 20 times
Play 20 rounds
Fall for an obvious trap
Kill yourself 10 times - it's okay, you're still learning
Win 10 times
Kill yourself, everyone does it
Kill someone in a tunnel
Kill someone materializing on a teleporter
Die while taunting
Try to do something you really shouldn't be allowed to do
Trap another player, then join them
Lose a ranked round against someone with a lower rating
Suffer from 4 different viri simultaneously
Draw by complete level closure
Escape from being trapped by kick or dashing strike
End a round faced with certain death
...so I put a mount on your mount so you can ride while you ride
Place 10 bombs in 2 seconds
Win a ranked round against someone with a higher rating
Play 20 rounds in a row without killing yourself
Escape from being trapped through a destructible block
Play a round with 8 or more human players
Win a local round against 30 or more hard bots at once
Play 100 rounds
Win 50 times
Accumulate 50 kills
Die 100 times
Kill yourself 50 times - this has got to stop!
Taunt 5 times
Taunt 20 times
Taunt near an active bomb, and live!
Taunt near an active bomb and live 20 times
Obtain all other achievements
As a ghost, kill the one who killed you
Win a round without placing a bomb