Here is the full list of all 16 Unscramble Heroes achievements.
Have 5 or more bombs still at the end of a round.
Quit a level within the first 5 seconds.
Get 5 kills in 2.5 seconds.
Solve 25 anagrams in one round.
Defeat 5 bosses in one round.
Achieve over 100,000 lifetime points.
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Mistype 20 words in one round.
Type a different anagram than the one expected on screen.
Play one round for over 10 minutes.
Defeat 200 enemies in one round.
Use 5 or more bombs in one round.
You gained 34 experience to hit level 1. You absolute boss.
You gained 555 experience to hit level 5. Five five five.
You gained 17656 experience to hit level 12. All levels are open to you.
You gained 317756 experience to hit level 18. Cheater.