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