Here is the full list of all 49 Dino Run DX achievements.
Beat Hard Halloween Hellrun
Beat Insane Halloween Hellrun
Beat Medium Halloween Hellrun
All Bronze Trophies
All Silver Trophies
All Gold Trophies
50 Dino Saved
Complete Medium Planet D
Complete Hard Planet D
Complete Insane Planet D
500 Lizards Eaten
Complete Insane Challenge
All Super Eggs Saved
500 Runners Eaten
2000 Eggs Saved
100 Fish Eaten
6 Second Boulder Ride
10 Second Boulder Ride
60 Second Doom Surf
All Insane Speedruns
All Hard Speedruns
All Medium Speedruns
30 Second Doom Surf
250 Lizards Eaten
25 Dino Saved
4X Dactyl Chain
250 Runners Eaten
10 Second Doom Surf
1000 Eggs Saved
Complete Hard Challenge
100 Lizards Eaten
50 Worms Slurped
50 Birds Devoured
25 Fish Eaten
50 Fish Eaten
5 Dino Saved
10 Dino Saved
3X Dactyl Chain
100 Runners Eaten
25 Worms Slurped
25 Birds Devoured
Found The Little Green Dude
250 Eggs Saved
Complete Medium Challenge
10 Birds Devoured
1 Dino Saved
10 Worms Slurped
2X Dactyl Chain
3 Second Boulder Ride