Here is the full list of all 80 Click Legends achievements.
20 Bosses Defeated
30 Bosses Defeated
45 Bosses Defeated
67 Bosses Defeated
101 Bosses Defeated
152 Bosses Defeated
228 Bosses Defeated
342 Bosses Defeated
513 Bosses Defeated
769 Bosses Defeated
100 Times Clicked
300 Times Clicked
900 Times Clicked
2.70A Times Clicked
8.10A Times Clicked
24.29A Times Clicked
72.90A Times Clicked
218.70A Times Clicked
656.10A Times Clicked
1.96B Times Clicked
1A DPS Reached
1C DPS Reached
1E DPS Reached
1G DPS Reached
1I DPS Reached
1K DPS Reached
1M DPS Reached
1O DPS Reached
1Q DPS Reached
1S DPS Reached
1.5A Mana Found
3.15A Mana Found
6.61A Mana Found
13.89A Mana Found
29.17A Mana Found
61.26A Mana Found
128.64A Mana Found
270.16A Mana Found
567.34A Mana Found
1.19B Mana Found
10 Collectibles Found
15 Collectibles Found
24 Collectibles Found
37 Collectibles Found
57 Collectibles Found
88 Collectibles Found
136 Collectibles Found
210 Collectibles Found
325 Collectibles Found
502 Collectibles Found
100 Gold Collected
1C Gold Collected
10E Gold Collected
100G Gold Collected
1J Gold Collected
10L Gold Collected
100N Gold Collected
1Q Gold Collected
10S Gold Collected
100U Gold Collected
Stage 20 Reached
Stage 31 Reached
Stage 48 Reached
Stage 74 Reached
Stage 115 Reached
Stage 179 Reached
Stage 277 Reached
Stage 430 Reached
Stage 666 Reached
Stage 1.03A Reached
Rebirthed 1 Time
Rebirthed 2 Times
Rebirthed 3 Times
Rebirthed 5 Times
Rebirthed 7 Times
Rebirthed 10 Times
Rebirthed 13 Times
Rebirthed 17 Times
Rebirthed 21 Times
Rebirthed 26 Times