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