Here is the full list of all 23 Lance A Lot: Enhanced Edition achievements.
Finish a round in each ruleset.
Get 100 non-lance eliminations.
Get 200 eliminations as the Royal Champion.
Finish a round on each Wizard Cup level.
Get 200 eliminations as the Dragon Knight.
Get 200 eliminations as the Mystery Challenger.
Get 10 non-lance eliminations.
Get 100 lance eliminations.
Finish a round of Sudden Death.
Finish a round in each mode.
Finish a round on each Royal Cup level.
Get 10 lance eliminations.
Get 1 non-lance elimination.
Get 1 lance elimination.
Get 200 eliminations as the Grim Templar.
Get 200 eliminations as the Forest Guardian.
Get 1000 lance eliminations.
Get 10000 lance eliminations.
Get 1000 non-lance eliminations.
Get 10000 non-lance eliminations.
Pick-up 1 000 lances.
Break or lose 1 000 lances.
Destroy 1 000 trees.