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