Here is the full list of all 51 JumpJet Rex achievements.
Complete the RageQuit Rex mode
Beat Ragequit Rex without losing any lives.
Beat Adventure mode on normal, getting every star and hidden package, under 3 hours
Spend 1,000,000 gold in the shop
Buy 30 different jet stream colors for Rex
Buy 30 different skin colors for Rex
Complete adventure mode in co-op
Master all levels
Collect all the hidden items
Collect every coin in every level
Complete the SpeedRun mode and post a time to the leaderboard
Beat Speedrun Mode in under 90 minutes.
Buy 20 pairs of jumpboots for Rex
Get 3 stars on all 4 bosses
Buy 20 different heads for Rex
Kill the Big Globowski in under 30 seconds
Have a 4x coin combo multiplier lasting over 30 seconds
Get 3 stars on 30 levels
Defeat the Yeti using only snow chunks
Use your projectile to trigger 75% of the switches in Power Core
Destroy 25 snowballs in Snowblind without dying
Destroy 100 fireseeds in Jungle Jump
Beat the target time for a level without using Dash, Drop or Rocket
Beat P1ng in less than 10 seconds
Stun the patroller in p1ng 3 times in one run
Beat the target time for a level without using Jump
Live to fly another day.
Complete adventure mode on easy
Complete adventure mode on normal.
Pay the ultimate price.
Defeat the fourth boss
Die 500 times
Beat a level in Co-op mode
Cover a level in ash
Spend 100,000 gold in the shop
Defeat the third boss
Find Seedmours weak spot!
Get a 5x bounce combo on the first boss
Use the shortcut for a photo finish in Scrollway
Score 3 points in Holoball in the Rexercise Room
Get a 100pt combo on Rex's target practice machine in the Dinonaut Base.
Defeat the second boss
Retry a level 30 times
Use death to your advantage in Cold Front
Destroy 100 robots
Master one level
With a 4x combo collect a ruby
Collect every coin in a level
Defeat the first boss
Complete Boot Camp
Play the game instead of letting it go extinct in your backlog